Add email notifications

21 files changed, 3568 insertions, 0 deletions

diff --git a/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php b/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php
new file mode 100644
index 00000000..e5874d28
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php
@@ -0,0 +1,502 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Sends Messages over SMTP.
+ *
+ * @author     Chris Corbyn
+ */
+abstract class Swift_Transport_AbstractSmtpTransport implements Swift_Transport
+{
+    /** Input-Output buffer for sending/receiving SMTP commands and responses */
+    protected $_buffer;
+
+    /** Connection status */
+    protected $_started = false;
+
+    /** The domain name to use in HELO command */
+    protected $_domain = '[127.0.0.1]';
+
+    /** The event dispatching layer */
+    protected $_eventDispatcher;
+
+    /** Source Ip */
+    protected $_sourceIp;
+
+    /** Return an array of params for the Buffer */
+    abstract protected function _getBufferParams();
+
+    /**
+     * Creates a new EsmtpTransport using the given I/O buffer.
+     *
+     * @param Swift_Transport_IoBuffer     $buf
+     * @param Swift_Events_EventDispatcher $dispatcher
+     */
+    public function __construct(Swift_Transport_IoBuffer $buf, Swift_Events_EventDispatcher $dispatcher)
+    {
+        $this->_eventDispatcher = $dispatcher;
+        $this->_buffer = $buf;
+        $this->_lookupHostname();
+    }
+
+    /**
+     * Set the name of the local domain which Swift will identify itself as.
+     *
+     * This should be a fully-qualified domain name and should be truly the domain
+     * you're using.
+     *
+     * If your server doesn't have a domain name, use the IP in square
+     * brackets (i.e. [127.0.0.1]).
+     *
+     * @param string $domain
+     *
+     * @return Swift_Transport_AbstractSmtpTransport
+     */
+    public function setLocalDomain($domain)
+    {
+        $this->_domain = $domain;
+
+        return $this;
+    }
+
+    /**
+     * Get the name of the domain Swift will identify as.
+     *
+     * @return string
+     */
+    public function getLocalDomain()
+    {
+        return $this->_domain;
+    }
+
+    /**
+     * Sets the source IP.
+     *
+     * @param string $source
+     */
+    public function setSourceIp($source)
+    {
+        $this->_sourceIp=$source;
+    }
+
+    /**
+     * Returns the IP used to connect to the destination
+     *
+     * @return string
+     */
+    public function getSourceIp()
+    {
+        return $this->_sourceIp;
+    }
+
+    /**
+     * Start the SMTP connection.
+     */
+    public function start()
+    {
+        if (!$this->_started) {
+            if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStarted');
+                if ($evt->bubbleCancelled()) {
+                    return;
+                }
+            }
+
+            try {
+                $this->_buffer->initialize($this->_getBufferParams());
+            } catch (Swift_TransportException $e) {
+                $this->_throwException($e);
+            }
+            $this->_readGreeting();
+            $this->_doHeloCommand();
+
+            if ($evt) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'transportStarted');
+            }
+
+            $this->_started = true;
+        }
+    }
+
+    /**
+     * Test if an SMTP connection has been established.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return $this->_started;
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     * The return value is the number of recipients who were accepted for delivery.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $sent = 0;
+        $failedRecipients = (array) $failedRecipients;
+
+        if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+            if ($evt->bubbleCancelled()) {
+                return 0;
+            }
+        }
+
+        if (!$reversePath = $this->_getReversePath($message)) {
+            throw new Swift_TransportException(
+                'Cannot send message without a sender address'
+                );
+        }
+
+        $to = (array) $message->getTo();
+        $cc = (array) $message->getCc();
+        $bcc = (array) $message->getBcc();
+
+        $message->setBcc(array());
+
+        try {
+            $sent += $this->_sendTo($message, $reversePath, $to, $failedRecipients);
+            $sent += $this->_sendCc($message, $reversePath, $cc, $failedRecipients);
+            $sent += $this->_sendBcc($message, $reversePath, $bcc, $failedRecipients);
+        } catch (Exception $e) {
+            $message->setBcc($bcc);
+            throw $e;
+        }
+
+        $message->setBcc($bcc);
+
+        if ($evt) {
+            if ($sent == count($to) + count($cc) + count($bcc)) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
+            } elseif ($sent > 0) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_TENTATIVE);
+            } else {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_FAILED);
+            }
+            $evt->setFailedRecipients($failedRecipients);
+            $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+        }
+
+        $message->generateId(); //Make sure a new Message ID is used
+
+        return $sent;
+    }
+
+    /**
+     * Stop the SMTP connection.
+     */
+    public function stop()
+    {
+        if ($this->_started) {
+            if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStopped');
+                if ($evt->bubbleCancelled()) {
+                    return;
+                }
+            }
+
+            try {
+                $this->executeCommand("QUIT\r\n", array(221));
+            } catch (Swift_TransportException $e) {}
+
+            try {
+                $this->_buffer->terminate();
+
+                if ($evt) {
+                    $this->_eventDispatcher->dispatchEvent($evt, 'transportStopped');
+                }
+            } catch (Swift_TransportException $e) {
+                $this->_throwException($e);
+            }
+        }
+        $this->_started = false;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        $this->_eventDispatcher->bindEventListener($plugin);
+    }
+
+    /**
+     * Reset the current mail transaction.
+     */
+    public function reset()
+    {
+        $this->executeCommand("RSET\r\n", array(250));
+    }
+
+    /**
+     * Get the IoBuffer where read/writes are occurring.
+     *
+     * @return Swift_Transport_IoBuffer
+     */
+    public function getBuffer()
+    {
+        return $this->_buffer;
+    }
+
+    /**
+     * Run a command against the buffer, expecting the given response codes.
+     *
+     * If no response codes are given, the response will not be validated.
+     * If codes are given, an exception will be thrown on an invalid response.
+     *
+     * @param string   $command
+     * @param int[]    $codes
+     * @param string[] $failures An array of failures by-reference
+     *
+     * @return string
+     */
+    public function executeCommand($command, $codes = array(), &$failures = null)
+    {
+        $failures = (array) $failures;
+        $seq = $this->_buffer->write($command);
+        $response = $this->_getFullResponse($seq);
+        if ($evt = $this->_eventDispatcher->createCommandEvent($this, $command, $codes)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'commandSent');
+        }
+        $this->_assertResponseCode($response, $codes);
+
+        return $response;
+    }
+
+    /** Read the opening SMTP greeting */
+    protected function _readGreeting()
+    {
+        $this->_assertResponseCode($this->_getFullResponse(0), array(220));
+    }
+
+    /** Send the HELO welcome */
+    protected function _doHeloCommand()
+    {
+        $this->executeCommand(
+            sprintf("HELO %s\r\n", $this->_domain), array(250)
+            );
+    }
+
+    /** Send the MAIL FROM command */
+    protected function _doMailFromCommand($address)
+    {
+        $this->executeCommand(
+            sprintf("MAIL FROM: <%s>\r\n", $address), array(250)
+            );
+    }
+
+    /** Send the RCPT TO command */
+    protected function _doRcptToCommand($address)
+    {
+        $this->executeCommand(
+            sprintf("RCPT TO: <%s>\r\n", $address), array(250, 251, 252)
+            );
+    }
+
+    /** Send the DATA command */
+    protected function _doDataCommand()
+    {
+        $this->executeCommand("DATA\r\n", array(354));
+    }
+
+    /** Stream the contents of the message over the buffer */
+    protected function _streamMessage(Swift_Mime_Message $message)
+    {
+        $this->_buffer->setWriteTranslations(array("\r\n." => "\r\n.."));
+        try {
+            $message->toByteStream($this->_buffer);
+            $this->_buffer->flushBuffers();
+        } catch (Swift_TransportException $e) {
+            $this->_throwException($e);
+        }
+        $this->_buffer->setWriteTranslations(array());
+        $this->executeCommand("\r\n.\r\n", array(250));
+    }
+
+    /** Determine the best-use reverse path for this message */
+    protected function _getReversePath(Swift_Mime_Message $message)
+    {
+        $return = $message->getReturnPath();
+        $sender = $message->getSender();
+        $from = $message->getFrom();
+        $path = null;
+        if (!empty($return)) {
+            $path = $return;
+        } elseif (!empty($sender)) {
+            // Don't use array_keys
+            reset($sender); // Reset Pointer to first pos
+            $path = key($sender); // Get key
+        } elseif (!empty($from)) {
+            reset($from); // Reset Pointer to first pos
+            $path = key($from); // Get key
+        }
+
+        return $path;
+    }
+
+    /** Throw a TransportException, first sending it to any listeners */
+    protected function _throwException(Swift_TransportException $e)
+    {
+        if ($evt = $this->_eventDispatcher->createTransportExceptionEvent($this, $e)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'exceptionThrown');
+            if (!$evt->bubbleCancelled()) {
+                throw $e;
+            }
+        } else {
+            throw $e;
+        }
+    }
+
+    /** Throws an Exception if a response code is incorrect */
+    protected function _assertResponseCode($response, $wanted)
+    {
+        list($code) = sscanf($response, '%3d');
+        $valid = (empty($wanted) || in_array($code, $wanted));
+
+        if ($evt = $this->_eventDispatcher->createResponseEvent($this, $response,
+            $valid))
+        {
+            $this->_eventDispatcher->dispatchEvent($evt, 'responseReceived');
+        }
+
+        if (!$valid) {
+            $this->_throwException(
+                new Swift_TransportException(
+                    'Expected response code ' . implode('/', $wanted) . ' but got code ' .
+                    '"' . $code . '", with message "' . $response . '"',
+                    $code)
+                );
+        }
+    }
+
+    /** Get an entire multi-line response using its sequence number */
+    protected function _getFullResponse($seq)
+    {
+        $response = '';
+        try {
+            do {
+                $line = $this->_buffer->readLine($seq);
+                $response .= $line;
+            } while (null !== $line && false !== $line && ' ' != $line{3});
+        } catch (Swift_TransportException $e) {
+            $this->_throwException($e);
+        } catch (Swift_IoException $e) {
+            $this->_throwException(
+                new Swift_TransportException(
+                    $e->getMessage())
+                );
+        }
+
+        return $response;
+    }
+
+
+    /** Send an email to the given recipients from the given reverse path */
+    private function _doMailTransaction($message, $reversePath, array $recipients, array &$failedRecipients)
+    {
+        $sent = 0;
+        $this->_doMailFromCommand($reversePath);
+        foreach ($recipients as $forwardPath) {
+            try {
+                $this->_doRcptToCommand($forwardPath);
+                $sent++;
+            } catch (Swift_TransportException $e) {
+                $failedRecipients[] = $forwardPath;
+            }
+        }
+
+        if ($sent != 0) {
+            $this->_doDataCommand();
+            $this->_streamMessage($message);
+        } else {
+            $this->reset();
+        }
+
+        return $sent;
+    }
+
+    /** Send a message to the given To: recipients */
+    private function _sendTo(Swift_Mime_Message $message, $reversePath, array $to, array &$failedRecipients)
+    {
+        if (empty($to)) {
+            return 0;
+        }
+
+        return $this->_doMailTransaction($message, $reversePath, array_keys($to),
+            $failedRecipients);
+    }
+
+    /** Send a message to the given Cc: recipients */
+    private function _sendCc(Swift_Mime_Message $message, $reversePath, array $cc, array &$failedRecipients)
+    {
+        if (empty($cc)) {
+            return 0;
+        }
+
+        return $this->_doMailTransaction($message, $reversePath, array_keys($cc),
+            $failedRecipients);
+    }
+
+    /** Send a message to all Bcc: recipients */
+    private function _sendBcc(Swift_Mime_Message $message, $reversePath, array $bcc, array &$failedRecipients)
+    {
+        $sent = 0;
+        foreach ($bcc as $forwardPath => $name) {
+            $message->setBcc(array($forwardPath => $name));
+            $sent += $this->_doMailTransaction(
+                $message, $reversePath, array($forwardPath), $failedRecipients
+                );
+        }
+
+        return $sent;
+    }
+
+    /** Try to determine the hostname of the server this is run on */
+    private function _lookupHostname()
+    {
+        if (!empty($_SERVER['SERVER_NAME'])
+            && $this->_isFqdn($_SERVER['SERVER_NAME']))
+        {
+            $this->_domain = $_SERVER['SERVER_NAME'];
+        } elseif (!empty($_SERVER['SERVER_ADDR'])) {
+            $this->_domain = sprintf('[%s]', $_SERVER['SERVER_ADDR']);
+        }
+    }
+
+    /** Determine is the $hostname is a fully-qualified name */
+    private function _isFqdn($hostname)
+    {
+        // We could do a really thorough check, but there's really no point
+        if (false !== $dotPos = strpos($hostname, '.')) {
+            return ($dotPos > 0) && ($dotPos != strlen($hostname) - 1);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Destructor.
+     */
+    public function __destruct()
+    {
+        $this->stop();
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
new file mode 100644
index 00000000..98ee0651
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
@@ -0,0 +1,81 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles CRAM-MD5 authentication.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_CramMd5Authenticator implements Swift_Transport_Esmtp_Authenticator
+{
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword()
+    {
+        return 'CRAM-MD5';
+    }
+
+    /**
+     * Try to authenticate the user with $username and $password.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string                    $username
+     * @param string                    $password
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password)
+    {
+        try {
+            $challenge = $agent->executeCommand("AUTH CRAM-MD5\r\n", array(334));
+            $challenge = base64_decode(substr($challenge, 4));
+            $message = base64_encode(
+                $username . ' ' . $this->_getResponse($password, $challenge)
+                );
+            $agent->executeCommand(sprintf("%s\r\n", $message), array(235));
+
+            return true;
+        } catch (Swift_TransportException $e) {
+            $agent->executeCommand("RSET\r\n", array(250));
+
+            return false;
+        }
+    }
+
+    /**
+     * Generate a CRAM-MD5 response from a server challenge.
+     *
+     * @param string $secret
+     * @param string $challenge
+     *
+     * @return string
+     */
+    private function _getResponse($secret, $challenge)
+    {
+        if (strlen($secret) > 64) {
+            $secret = pack('H32', md5($secret));
+        }
+
+        if (strlen($secret) < 64) {
+            $secret = str_pad($secret, 64, chr(0));
+        }
+
+        $k_ipad = substr($secret, 0, 64) ^ str_repeat(chr(0x36), 64);
+        $k_opad = substr($secret, 0, 64) ^ str_repeat(chr(0x5C), 64);
+
+        $inner  = pack('H32', md5($k_ipad . $challenge));
+        $digest = md5($k_opad . $inner);
+
+        return $digest;
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
new file mode 100644
index 00000000..ebb35520
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles LOGIN authentication.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_LoginAuthenticator implements Swift_Transport_Esmtp_Authenticator
+{
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword()
+    {
+        return 'LOGIN';
+    }
+
+    /**
+     * Try to authenticate the user with $username and $password.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string                    $username
+     * @param string                    $password
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password)
+    {
+        try {
+            $agent->executeCommand("AUTH LOGIN\r\n", array(334));
+            $agent->executeCommand(sprintf("%s\r\n", base64_encode($username)), array(334));
+            $agent->executeCommand(sprintf("%s\r\n", base64_encode($password)), array(235));
+
+            return true;
+        } catch (Swift_TransportException $e) {
+            $agent->executeCommand("RSET\r\n", array(250));
+
+            return false;
+        }
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php
new file mode 100644
index 00000000..1514cbbe
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/NTLMAuthenticator.php
@@ -0,0 +1,699 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * This authentication is for Exchange servers. We support version 1 & 2.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles NTLM authentication.
+ *
+ * @author     Ward Peeters <ward@coding-tech.com>
+ */
+class Swift_Transport_Esmtp_Auth_NTLMAuthenticator implements Swift_Transport_Esmtp_Authenticator
+{
+    const NTLMSIG = "NTLMSSP\x00";
+    const DESCONST = "KGS!@#$%";
+
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword()
+    {
+        return 'NTLM';
+    }
+
+    /**
+     * Try to authenticate the user with $username and $password.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string $username
+     * @param string $password
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password)
+    {
+        if (!function_exists('mcrypt_module_open')) {
+            throw new LogicException('The mcrypt functions need to be enabled to use the NTLM authenticator.');
+        }
+
+        if (!function_exists('openssl_random_pseudo_bytes')) {
+            throw new LogicException('The OpenSSL extension must be enabled to use the NTLM authenticator.');
+        }
+
+        if (!function_exists('bcmul')) {
+            throw new LogicException('The BCMatch functions must be enabled to use the NTLM authenticator.');
+        }
+
+        try {
+            // execute AUTH command and filter out the code at the beginning
+            // AUTH NTLM xxxx
+            $response = base64_decode(substr(trim($this->sendMessage1($agent)), 4));
+
+            // extra parameters for our unit cases
+            $timestamp = func_num_args() > 3 ? func_get_arg(3) : $this->getCorrectTimestamp(bcmul(microtime(true), "1000"));
+            $client = func_num_args() > 4 ? func_get_arg(4) : $this->getRandomBytes(8);
+
+            // Message 3 response
+            $this->sendMessage3($response, $username, $password, $timestamp, $client, $agent);
+
+            return true;
+        } catch (Swift_TransportException $e) {
+            $agent->executeCommand("RSET\r\n", array(250));
+
+            return false;
+        }
+    }
+
+    protected function si2bin($si, $bits = 32)
+    {
+        $bin = null;
+        if ($si >= -pow(2, $bits - 1) && ($si <= pow(2, $bits - 1))) {
+            // positive or zero
+            if ($si >= 0) {
+                $bin = base_convert($si, 10, 2);
+                // pad to $bits bit
+                $bin_length = strlen($bin);
+                if ($bin_length < $bits) {
+                    $bin = str_repeat("0", $bits - $bin_length) . $bin;
+                }
+            } else { // negative
+                $si = -$si - pow(2, $bits);
+                $bin = base_convert($si, 10, 2);
+                $bin_length = strlen($bin);
+                if ($bin_length > $bits) {
+                    $bin = str_repeat("1", $bits - $bin_length) . $bin;
+                }
+            }
+        }
+
+        return $bin;
+    }
+
+    /**
+     * Send our auth message and returns the response
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @return string SMTP Response
+     */
+    protected function sendMessage1(Swift_Transport_SmtpAgent $agent)
+    {
+        $message = $this->createMessage1();
+
+        return $agent->executeCommand(sprintf("AUTH %s %s\r\n", $this->getAuthKeyword(), base64_encode($message)), array(334));
+    }
+
+    /**
+     * Fetch all details of our response (message 2)
+     *
+     * @param string $response
+     * @return array our response parsed
+     */
+    protected function parseMessage2($response)
+    {
+        $responseHex = bin2hex($response);
+        $length = floor(hexdec(substr($responseHex, 28, 4)) / 256) * 2;
+        $offset = floor(hexdec(substr($responseHex, 32, 4)) / 256) * 2;
+        $challenge = $this->hex2bin(substr($responseHex, 48, 16));
+        $context = $this->hex2bin(substr($responseHex, 64, 16));
+        $targetInfoH = $this->hex2bin(substr($responseHex, 80, 16));
+        $targetName = $this->hex2bin(substr($responseHex, $offset, $length));
+        $offset = floor(hexdec(substr($responseHex, 88, 4)) / 256) * 2;
+        $targetInfoBlock = substr($responseHex, $offset);
+        list($domainName, $serverName, $DNSDomainName, $DNSServerName, $terminatorByte) = $this->readSubBlock($targetInfoBlock);
+
+        return array(
+            $challenge,
+            $context,
+            $targetInfoH,
+            $targetName,
+            $domainName,
+            $serverName,
+            $DNSDomainName,
+            $DNSServerName,
+            $this->hex2bin($targetInfoBlock),
+            $terminatorByte
+        );
+    }
+
+    /**
+     * Read the blob information in from message2
+     *
+     * @param $block
+     * @return array
+     */
+    protected function readSubBlock($block)
+    {
+        // remove terminatorByte cause it's always the same
+        $block = substr($block, 0, -8);
+
+        $length = strlen($block);
+        $offset = 0;
+        $data = array();
+        while ($offset < $length) {
+            $blockLength = hexdec(substr(substr($block, $offset, 8), -4)) / 256;
+            $offset += 8;
+            $data[] = $this->hex2bin(substr($block, $offset, $blockLength * 2));
+            $offset += $blockLength * 2;
+        }
+
+        if (count($data) == 3) {
+            $data[] = $data[2];
+            $data[2] = '';
+        }
+
+        $data[] = $this->createByte('00');
+
+        return $data;
+    }
+
+    /**
+     * Send our final message with all our data
+     *
+     * @param string $response Message 1 response (message 2)
+     * @param string $username
+     * @param string $password
+     * @param string $timestamp
+     * @param string $client
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param bool $v2 Use version2 of the protocol
+     * @return string
+     */
+    protected function sendMessage3($response, $username, $password, $timestamp, $client, Swift_Transport_SmtpAgent $agent, $v2 = true)
+    {
+        list($domain, $username) = $this->getDomainAndUsername($username);
+        //$challenge, $context, $targetInfoH, $targetName, $domainName, $workstation, $DNSDomainName, $DNSServerName, $blob, $ter
+        list($challenge, , , , , $workstation, , , $blob) = $this->parseMessage2($response);
+
+        if (!$v2) {
+            // LMv1
+            $lmResponse = $this->createLMPassword($password, $challenge);
+            // NTLMv1
+            $ntlmResponse = $this->createNTLMPassword($password, $challenge);
+        } else {
+            // LMv2
+            $lmResponse = $this->createLMv2Password($password, $username, $domain, $challenge, $client);
+            // NTLMv2
+            $ntlmResponse = $this->createNTLMv2Hash($password, $username, $domain, $challenge, $blob, $timestamp, $client);
+        }
+
+        $message = $this->createMessage3($domain, $username, $workstation, $lmResponse, $ntlmResponse);
+
+        return $agent->executeCommand(sprintf("%s\r\n", base64_encode($message)), array(235));
+    }
+
+    /**
+     * Create our message 1
+     *
+     * @return string
+     */
+    protected function createMessage1()
+    {
+        return self::NTLMSIG
+        . $this->createByte('01') // Message 1
+        . $this->createByte('0702'); // Flags
+    }
+
+    /**
+     * Create our message 3
+     *
+     * @param string $domain
+     * @param string $username
+     * @param string $workstation
+     * @param string $lmResponse
+     * @param string $ntlmResponse
+     * @return string
+     */
+    protected function createMessage3($domain, $username, $workstation, $lmResponse, $ntlmResponse)
+    {
+        // Create security buffers
+        $domainSec = $this->createSecurityBuffer($domain, 64);
+        $domainInfo = $this->readSecurityBuffer(bin2hex($domainSec));
+        $userSec = $this->createSecurityBuffer($username, ($domainInfo[0] + $domainInfo[1]) / 2);
+        $userInfo = $this->readSecurityBuffer(bin2hex($userSec));
+        $workSec = $this->createSecurityBuffer($workstation, ($userInfo[0] + $userInfo[1]) / 2);
+        $workInfo = $this->readSecurityBuffer(bin2hex($workSec));
+        $lmSec = $this->createSecurityBuffer($lmResponse, ($workInfo[0] + $workInfo[1]) / 2, true);
+        $lmInfo = $this->readSecurityBuffer(bin2hex($lmSec));
+        $ntlmSec = $this->createSecurityBuffer($ntlmResponse, ($lmInfo[0] + $lmInfo[1]) / 2, true);
+
+        return self::NTLMSIG
+        . $this->createByte('03') // TYPE 3 message
+        . $lmSec // LM response header
+        . $ntlmSec // NTLM response header
+        . $domainSec // Domain header
+        . $userSec // User header
+        . $workSec // Workstation header
+        . $this->createByte("000000009a", 8) // session key header (empty)
+        . $this->createByte('01020000') // FLAGS
+        . $this->convertTo16bit($domain) // domain name
+        . $this->convertTo16bit($username) // username
+        . $this->convertTo16bit($workstation) // workstation
+        . $lmResponse
+        . $ntlmResponse;
+    }
+
+    /**
+     * @param string $timestamp Epoch timestamp in microseconds
+     * @param string $client Random bytes
+     * @param string $targetInfo
+     * @return string
+     */
+    protected function createBlob($timestamp, $client, $targetInfo)
+    {
+        return $this->createByte('0101')
+        . $this->createByte('00')
+        . $timestamp
+        . $client
+        . $this->createByte('00')
+        . $targetInfo
+        . $this->createByte('00');
+    }
+
+    /**
+     * Get domain and username from our username
+     *
+     * @example DOMAIN\username
+     *
+     * @param string $name
+     * @return array
+     */
+    protected function getDomainAndUsername($name)
+    {
+        if (strpos($name, '\\') !== false) {
+            return explode('\\', $name);
+        }
+
+        list($user, $domain) = explode('@', $name);
+
+        return array($domain, $user);
+    }
+
+    /**
+     * Create LMv1 response
+     *
+     * @param string $password
+     * @param string $challenge
+     * @return string
+     */
+    protected function createLMPassword($password, $challenge)
+    {
+        // FIRST PART
+        $password = $this->createByte(strtoupper($password), 14, false);
+        list($key1, $key2) = str_split($password, 7);
+
+        $desKey1 = $this->createDesKey($key1);
+        $desKey2 = $this->createDesKey($key2);
+
+        $constantDecrypt = $this->createByte($this->desEncrypt(self::DESCONST, $desKey1) . $this->desEncrypt(self::DESCONST, $desKey2), 21, false);
+
+        // SECOND PART
+        list($key1, $key2, $key3) = str_split($constantDecrypt, 7);
+
+        $desKey1 = $this->createDesKey($key1);
+        $desKey2 = $this->createDesKey($key2);
+        $desKey3 = $this->createDesKey($key3);
+
+        return $this->desEncrypt($challenge, $desKey1) . $this->desEncrypt($challenge, $desKey2) . $this->desEncrypt($challenge, $desKey3);
+    }
+
+    /**
+     * Create NTLMv1 response
+     *
+     * @param string $password
+     * @param string $challenge
+     * @return string
+     */
+    protected function createNTLMPassword($password, $challenge)
+    {
+        // FIRST PART
+        $ntlmHash = $this->createByte($this->md4Encrypt($password), 21, false);
+        list($key1, $key2, $key3) = str_split($ntlmHash, 7);
+
+        $desKey1 = $this->createDesKey($key1);
+        $desKey2 = $this->createDesKey($key2);
+        $desKey3 = $this->createDesKey($key3);
+
+        return $this->desEncrypt($challenge, $desKey1) . $this->desEncrypt($challenge, $desKey2) . $this->desEncrypt($challenge, $desKey3);
+    }
+
+    /**
+     * Convert a normal timestamp to a tenth of a microtime epoch time
+     *
+     * @param string $time
+     * @return string
+     */
+    protected function getCorrectTimestamp($time)
+    {
+        // Get our timestamp (tricky!)
+        bcscale(0);
+
+        $time = number_format($time, 0, '.', ''); // save microtime to string
+        $time = bcadd($time, "11644473600000"); // add epoch time
+        $time = bcmul($time, 10000); // tenths of a microsecond.
+
+        $binary = $this->si2bin($time, 64); // create 64 bit binary string
+        $timestamp = "";
+        for ($i = 0; $i < 8; $i++) {
+            $timestamp .= chr(bindec(substr($binary, -(($i + 1) * 8), 8)));
+        }
+
+        return $timestamp;
+    }
+
+    /**
+     * Create LMv2 response
+     *
+     * @param string $password
+     * @param string $username
+     * @param string $domain
+     * @param string $challenge NTLM Challenge
+     * @param string $client Random string
+     * @return string
+     */
+    protected function createLMv2Password($password, $username, $domain, $challenge, $client)
+    {
+        $lmPass = '00'; // by default 00
+        // if $password > 15 than we can't use this method
+        if (strlen($password) <= 15) {
+            $ntlmHash = $this->md4Encrypt($password);
+            $ntml2Hash = $this->md5Encrypt($ntlmHash, $this->convertTo16bit(strtoupper($username) . $domain));
+
+            $lmPass = bin2hex($this->md5Encrypt($ntml2Hash, $challenge . $client) . $client);
+        }
+
+        return $this->createByte($lmPass, 24);
+    }
+
+    /**
+     * Create NTLMv2 response
+     *
+     * @param string $password
+     * @param string $username
+     * @param string $domain
+     * @param string $challenge Hex values
+     * @param string $targetInfo Hex values
+     * @param string $timestamp
+     * @param string $client Random bytes
+     * @return string
+     * @see http://davenport.sourceforge.net/ntlm.html#theNtlmResponse
+     */
+    protected function createNTLMv2Hash($password, $username, $domain, $challenge, $targetInfo, $timestamp, $client)
+    {
+        $ntlmHash = $this->md4Encrypt($password);
+        $ntml2Hash = $this->md5Encrypt($ntlmHash, $this->convertTo16bit(strtoupper($username) . $domain));
+
+        // create blob
+        $blob = $this->createBlob($timestamp, $client, $targetInfo);
+
+        $ntlmv2Response = $this->md5Encrypt($ntml2Hash, $challenge . $blob);
+
+        return $ntlmv2Response . $blob;
+    }
+
+    protected function createDesKey($key)
+    {
+        $material = array(bin2hex($key[0]));
+        $len = strlen($key);
+        for ($i = 1; $i < $len; $i++) {
+            list($high, $low) = str_split(bin2hex($key[$i]));
+            $v = $this->castToByte(ord($key[$i - 1]) << (7 + 1 - $i) | $this->uRShift(hexdec(dechex(hexdec($high) & 0xf) . dechex(hexdec($low) & 0xf)), $i));
+            $material[] = str_pad(substr(dechex($v), -2), 2, '0', STR_PAD_LEFT); // cast to byte
+        }
+        $material[] = str_pad(substr(dechex($this->castToByte(ord($key[6]) << 1)), -2), 2, '0');
+
+        // odd parity
+        foreach ($material as $k => $v) {
+            $b = $this->castToByte(hexdec($v));
+            $needsParity = (($this->uRShift($b, 7) ^ $this->uRShift($b, 6) ^ $this->uRShift($b, 5)
+                        ^ $this->uRShift($b, 4) ^ $this->uRShift($b, 3) ^ $this->uRShift($b, 2)
+                        ^ $this->uRShift($b, 1)) & 0x01) == 0;
+
+            list($high, $low) = str_split($v);
+            if ($needsParity) {
+                $material[$k] = dechex(hexdec($high) | 0x0) . dechex(hexdec($low) | 0x1);
+            } else {
+                $material[$k] = dechex(hexdec($high) & 0xf) . dechex(hexdec($low) & 0xe);
+            }
+        }
+
+        return $this->hex2bin(implode('', $material));
+    }
+
+    /** HELPER FUNCTIONS */
+    /**
+     * Create our security buffer depending on length and offset
+     *
+     * @param string $value Value we want to put in
+     * @param int $offset start of value
+     * @param bool $is16 Do we 16bit string or not?
+     * @return string
+     */
+    protected function createSecurityBuffer($value, $offset, $is16 = false)
+    {
+        $length = strlen(bin2hex($value));
+        $length = $is16 ? $length / 2 : $length;
+        $length = $this->createByte(str_pad(dechex($length), 2, '0', STR_PAD_LEFT), 2);
+
+        return $length . $length . $this->createByte(dechex($offset), 4);
+    }
+
+    /**
+     * Read our security buffer to fetch length and offset of our value
+     *
+     * @param string $value Securitybuffer in hex
+     * @return array array with length and offset
+     */
+    protected function readSecurityBuffer($value)
+    {
+        $length = floor(hexdec(substr($value, 0, 4)) / 256) * 2;
+        $offset = floor(hexdec(substr($value, 8, 4)) / 256) * 2;
+
+        return array($length, $offset);
+    }
+
+    /**
+     * Cast to byte java equivalent to (byte)
+     *
+     * @param int $v
+     * @return int
+     */
+    protected function castToByte($v)
+    {
+        return (($v + 128) % 256) - 128;
+    }
+
+    /**
+     * Java unsigned right bitwise
+     * $a >>> $b
+     *
+     * @param int $a
+     * @param int $b
+     * @return int
+     */
+    protected function uRShift($a, $b)
+    {
+        if ($b == 0) {
+            return $a;
+        }
+
+        return ($a >> $b) & ~(1 << (8 * PHP_INT_SIZE - 1) >> ($b - 1));
+    }
+
+    /**
+     * Right padding with 0 to certain length
+     *
+     * @param string $input
+     * @param int $bytes Length of bytes
+     * @param bool $isHex Did we provided hex value
+     * @return string
+     */
+    protected function createByte($input, $bytes = 4, $isHex = true)
+    {
+        if ($isHex) {
+            $byte = $this->hex2bin(str_pad($input, $bytes * 2, '00'));
+        } else {
+            $byte = str_pad($input, $bytes, "\x00");
+        }
+
+        return $byte;
+    }
+
+    /**
+     * Create random bytes
+     *
+     * @param $length
+     * @return string
+     */
+    protected function getRandomBytes($length)
+    {
+        $bytes = openssl_random_pseudo_bytes($length, $strong);
+
+        if (false !== $bytes && true === $strong) {
+            return $bytes;
+        }
+
+        throw new RuntimeException('OpenSSL did not produce a secure random number.');
+    }
+
+    /** ENCRYPTION ALGORITHMS */
+    /**
+     * DES Encryption
+     *
+     * @param string $value
+     * @param string $key
+     * @return string
+     */
+    protected function desEncrypt($value, $key)
+    {
+        $cipher = mcrypt_module_open(MCRYPT_DES, '', 'ecb', '');
+        mcrypt_generic_init($cipher, $key, mcrypt_create_iv(mcrypt_enc_get_iv_size($cipher), MCRYPT_DEV_RANDOM));
+
+        return mcrypt_generic($cipher, $value);
+    }
+
+    /**
+     * MD5 Encryption
+     *
+     * @param string $key Encryption key
+     * @param string $msg Message to encrypt
+     * @return string
+     */
+    protected function md5Encrypt($key, $msg)
+    {
+        $blocksize = 64;
+        if (strlen($key) > $blocksize) {
+            $key = pack('H*', md5($key));
+        }
+
+        $key = str_pad($key, $blocksize, "\0");
+        $ipadk = $key ^ str_repeat("\x36", $blocksize);
+        $opadk = $key ^ str_repeat("\x5c", $blocksize);
+
+        return pack('H*', md5($opadk . pack('H*', md5($ipadk . $msg))));
+    }
+
+    /**
+     * MD4 Encryption
+     *
+     * @param string $input
+     * @return string
+     * @see http://php.net/manual/en/ref.hash.php
+     */
+    protected function md4Encrypt($input)
+    {
+        $input = $this->convertTo16bit($input);
+
+        return function_exists('hash') ? $this->hex2bin(hash('md4', $input)) : mhash(MHASH_MD4, $input);
+    }
+
+    /**
+     * Convert UTF-8 to UTF-16
+     *
+     * @param string $input
+     * @return string
+     */
+    protected function convertTo16bit($input)
+    {
+        return iconv('UTF-8', 'UTF-16LE', $input);
+    }
+
+    /**
+     * Hex2bin replacement for < PHP 5.4
+     * @param string $hex
+     * @return string Binary
+     */
+    protected function hex2bin($hex)
+    {
+        if (function_exists('hex2bin')) {
+            return hex2bin($hex);
+        } else {
+            return pack('H*', $hex);
+        }
+    }
+
+    /**
+     * @param string $message
+     */
+    protected function debug($message)
+    {
+        $message = bin2hex($message);
+        $messageId = substr($message, 16, 8);
+        echo substr($message, 0, 16) . " NTLMSSP Signature<br />\n";
+        echo $messageId . " Type Indicator<br />\n";
+
+        if ($messageId == "02000000") {
+            $map = array(
+                'Challenge',
+                'Context',
+                'Target Information Security Buffer',
+                'Target Name Data',
+                'NetBIOS Domain Name',
+                'NetBIOS Server Name',
+                'DNS Domain Name',
+                'DNS Server Name',
+                'BLOB',
+                'Target Information Terminator',
+            );
+
+            $data = $this->parseMessage2($this->hex2bin($message));
+
+            foreach ($map as $key => $value) {
+                echo bin2hex($data[$key]) . ' - ' . $data[$key] . ' ||| ' . $value . "<br />\n";
+            }
+        } elseif ($messageId == "03000000") {
+            $i = 0;
+            $data[$i++] = substr($message, 24, 16);
+            list($lmLength, $lmOffset) = $this->readSecurityBuffer($data[$i - 1]);
+
+            $data[$i++] = substr($message, 40, 16);
+            list($ntmlLength, $ntmlOffset) = $this->readSecurityBuffer($data[$i - 1]);
+
+            $data[$i++] = substr($message, 56, 16);
+            list($targetLength, $targetOffset) = $this->readSecurityBuffer($data[$i - 1]);
+
+            $data[$i++] = substr($message, 72, 16);
+            list($userLength, $userOffset) = $this->readSecurityBuffer($data[$i - 1]);
+
+            $data[$i++] = substr($message, 88, 16);
+            list($workLength, $workOffset) = $this->readSecurityBuffer($data[$i - 1]);
+
+            $data[$i++] = substr($message, 104, 16);
+            $data[$i++] = substr($message, 120, 8);
+            $data[$i++] = substr($message, $targetOffset, $targetLength);
+            $data[$i++] = substr($message, $userOffset, $userLength);
+            $data[$i++] = substr($message, $workOffset, $workLength);
+            $data[$i++] = substr($message, $lmOffset, $lmLength);
+            $data[$i] = substr($message, $ntmlOffset, $ntmlLength);
+
+            $map = array(
+                'LM Response Security Buffer',
+                'NTLM Response Security Buffer',
+                'Target Name Security Buffer',
+                'User Name Security Buffer',
+                'Workstation Name Security Buffer',
+                'Session Key Security Buffer',
+                'Flags',
+                'Target Name Data',
+                'User Name Data',
+                'Workstation Name Data',
+                'LM Response Data',
+                'NTLM Response Data',
+            );
+
+            foreach ($map as $key => $value) {
+                echo $data[$key] . ' - ' . $this->hex2bin($data[$key]) . ' ||| ' . $value . "<br />\n";
+            }
+        }
+
+        echo "<br /><br />";
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
new file mode 100644
index 00000000..9143ce94
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles PLAIN authentication.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_Esmtp_Auth_PlainAuthenticator implements Swift_Transport_Esmtp_Authenticator
+{
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword()
+    {
+        return 'PLAIN';
+    }
+
+    /**
+     * Try to authenticate the user with $username and $password.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string                    $username
+     * @param string                    $password
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password)
+    {
+        try {
+            $message = base64_encode($username . chr(0) . $username . chr(0) . $password);
+            $agent->executeCommand(sprintf("AUTH PLAIN %s\r\n", $message), array(235));
+
+            return true;
+        } catch (Swift_TransportException $e) {
+            $agent->executeCommand("RSET\r\n", array(250));
+
+            return false;
+        }
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/XOAuth2Authenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/XOAuth2Authenticator.php
new file mode 100644
index 00000000..38189881
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/XOAuth2Authenticator.php
@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles XOAUTH2 authentication.
+ *
+ * Example:
+ * <code>
+ * $transport = Swift_SmtpTransport::newInstance('smtp.gmail.com', 587, 'tls')
+ *   ->setAuthMode('XOAUTH2')
+ *   ->setUsername('YOUR_EMAIL_ADDRESS')
+ *   ->setPassword('YOUR_ACCESS_TOKEN');
+ * </code>
+ *
+ * @author     xu.li<AthenaLightenedMyPath@gmail.com>
+ * @see        https://developers.google.com/google-apps/gmail/xoauth2_protocol
+ */
+class Swift_Transport_Esmtp_Auth_XOAuth2Authenticator implements Swift_Transport_Esmtp_Authenticator
+{
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword()
+    {
+        return 'XOAUTH2';
+    }
+
+    /**
+     * Try to authenticate the user with $email and $token.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string                    $email
+     * @param string                    $token
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $email, $token)
+    {
+        try {
+            $param = $this->constructXOAuth2Params($email, $token);
+            $agent->executeCommand("AUTH XOAUTH2 " . $param . "\r\n", array(235));
+
+            return true;
+        } catch (Swift_TransportException $e) {
+            $agent->executeCommand("RSET\r\n", array(250));
+
+            return false;
+        }
+    }
+
+    /**
+     * Construct the auth parameter
+     *
+     * @see https://developers.google.com/google-apps/gmail/xoauth2_protocol#the_sasl_xoauth2_mechanism
+     */
+    protected function constructXOAuth2Params($email, $token)
+    {
+        return base64_encode("user=$email\1auth=Bearer $token\1\1");
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/AuthHandler.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/AuthHandler.php
new file mode 100644
index 00000000..ee2f56d2
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/AuthHandler.php
@@ -0,0 +1,264 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * An ESMTP handler for AUTH support.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_Esmtp_AuthHandler implements Swift_Transport_EsmtpHandler
+{
+    /**
+     * Authenticators available to process the request.
+     *
+     * @var Swift_Transport_Esmtp_Authenticator[]
+     */
+    private $_authenticators = array();
+
+    /**
+     * The username for authentication.
+     *
+     * @var string
+     */
+    private $_username;
+
+    /**
+     * The password for authentication.
+     *
+     * @var string
+     */
+    private $_password;
+
+    /**
+     * The auth mode for authentication.
+     *
+     * @var string
+     */
+    private $_auth_mode;
+
+    /**
+     * The ESMTP AUTH parameters available.
+     *
+     * @var string[]
+     */
+    private $_esmtpParams = array();
+
+    /**
+     * Create a new AuthHandler with $authenticators for support.
+     *
+     * @param Swift_Transport_Esmtp_Authenticator[] $authenticators
+     */
+    public function __construct(array $authenticators)
+    {
+        $this->setAuthenticators($authenticators);
+    }
+
+    /**
+     * Set the Authenticators which can process a login request.
+     *
+     * @param Swift_Transport_Esmtp_Authenticator[] $authenticators
+     */
+    public function setAuthenticators(array $authenticators)
+    {
+        $this->_authenticators = $authenticators;
+    }
+
+    /**
+     * Get the Authenticators which can process a login request.
+     *
+     * @return Swift_Transport_Esmtp_Authenticator[]
+     */
+    public function getAuthenticators()
+    {
+        return $this->_authenticators;
+    }
+
+    /**
+     * Set the username to authenticate with.
+     *
+     * @param string $username
+     */
+    public function setUsername($username)
+    {
+        $this->_username = $username;
+    }
+
+    /**
+     * Get the username to authenticate with.
+     *
+     * @return string
+     */
+    public function getUsername()
+    {
+        return $this->_username;
+    }
+
+    /**
+     * Set the password to authenticate with.
+     *
+     * @param string $password
+     */
+    public function setPassword($password)
+    {
+        $this->_password = $password;
+    }
+
+    /**
+     * Get the password to authenticate with.
+     *
+     * @return string
+     */
+    public function getPassword()
+    {
+        return $this->_password;
+    }
+
+    /**
+     * Set the auth mode to use to authenticate.
+     *
+     * @param string $mode
+     */
+    public function setAuthMode($mode)
+    {
+        $this->_auth_mode = $mode;
+    }
+
+    /**
+     * Get the auth mode to use to authenticate.
+     *
+     * @return string
+     */
+    public function getAuthMode()
+    {
+        return $this->_auth_mode;
+    }
+
+    /**
+     * Get the name of the ESMTP extension this handles.
+     *
+     * @return bool
+     */
+    public function getHandledKeyword()
+    {
+        return 'AUTH';
+    }
+
+    /**
+     * Set the parameters which the EHLO greeting indicated.
+     *
+     * @param string[] $parameters
+     */
+    public function setKeywordParams(array $parameters)
+    {
+        $this->_esmtpParams = $parameters;
+    }
+
+    /**
+     * Runs immediately after a EHLO has been issued.
+     *
+     * @param Swift_Transport_SmtpAgent $agent to read/write
+     */
+    public function afterEhlo(Swift_Transport_SmtpAgent $agent)
+    {
+        if ($this->_username) {
+            $count = 0;
+            foreach ($this->_getAuthenticatorsForAgent() as $authenticator) {
+                if (in_array(strtolower($authenticator->getAuthKeyword()),
+                    array_map('strtolower', $this->_esmtpParams)))
+                {
+                    $count++;
+                    if ($authenticator->authenticate($agent, $this->_username, $this->_password)) {
+                        return;
+                    }
+                }
+            }
+            throw new Swift_TransportException(
+                'Failed to authenticate on SMTP server with username "' .
+                $this->_username . '" using ' . $count . ' possible authenticators'
+                );
+        }
+    }
+
+    /**
+     * Not used.
+     */
+    public function getMailParams()
+    {
+        return array();
+    }
+
+    /**
+     * Not used.
+     */
+    public function getRcptParams()
+    {
+        return array();
+    }
+
+    /**
+     * Not used.
+     */
+    public function onCommand(Swift_Transport_SmtpAgent $agent, $command, $codes = array(), &$failedRecipients = null, &$stop = false)
+    {
+    }
+
+    /**
+     * Returns +1, -1 or 0 according to the rules for usort().
+     *
+     * This method is called to ensure extensions can be execute in an appropriate order.
+     *
+     * @param string $esmtpKeyword to compare with
+     *
+     * @return int
+     */
+    public function getPriorityOver($esmtpKeyword)
+    {
+        return 0;
+    }
+
+    /**
+     * Returns an array of method names which are exposed to the Esmtp class.
+     *
+     * @return string[]
+     */
+    public function exposeMixinMethods()
+    {
+        return array('setUsername', 'getUsername', 'setPassword', 'getPassword', 'setAuthMode', 'getAuthMode');
+    }
+
+    /**
+     * Not used.
+     */
+    public function resetState()
+    {
+    }
+
+    /**
+     * Returns the authenticator list for the given agent.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     *
+     * @return array
+     */
+    protected function _getAuthenticatorsForAgent()
+    {
+        if (!$mode = strtolower($this->_auth_mode)) {
+            return $this->_authenticators;
+        }
+
+        foreach ($this->_authenticators as $authenticator) {
+            if (strtolower($authenticator->getAuthKeyword()) == $mode) {
+                return array($authenticator);
+            }
+        }
+
+        throw new Swift_TransportException('Auth mode '.$mode.' is invalid');
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Authenticator.php b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Authenticator.php
new file mode 100644
index 00000000..9078003a
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Authenticator.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * An Authentication mechanism.
+ *
+ * @author     Chris Corbyn
+ */
+interface Swift_Transport_Esmtp_Authenticator
+{
+    /**
+     * Get the name of the AUTH mechanism this Authenticator handles.
+     *
+     * @return string
+     */
+    public function getAuthKeyword();
+
+    /**
+     * Try to authenticate the user with $username and $password.
+     *
+     * @param Swift_Transport_SmtpAgent $agent
+     * @param string                    $username
+     * @param string                    $password
+     *
+     * @return bool
+     */
+    public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password);
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/EsmtpHandler.php b/vendor/swiftmailer/classes/Swift/Transport/EsmtpHandler.php
new file mode 100644
index 00000000..cb76eddf
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/EsmtpHandler.php
@@ -0,0 +1,86 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * An ESMTP handler.
+ *
+ * @author     Chris Corbyn
+ */
+interface Swift_Transport_EsmtpHandler
+{
+    /**
+     * Get the name of the ESMTP extension this handles.
+     *
+     * @return bool
+     */
+    public function getHandledKeyword();
+
+    /**
+     * Set the parameters which the EHLO greeting indicated.
+     *
+     * @param string[] $parameters
+     */
+    public function setKeywordParams(array $parameters);
+
+    /**
+     * Runs immediately after a EHLO has been issued.
+     *
+     * @param Swift_Transport_SmtpAgent $agent to read/write
+     */
+    public function afterEhlo(Swift_Transport_SmtpAgent $agent);
+
+    /**
+     * Get params which are appended to MAIL FROM:<>.
+     *
+     * @return string[]
+     */
+    public function getMailParams();
+
+    /**
+     * Get params which are appended to RCPT TO:<>.
+     *
+     * @return string[]
+     */
+    public function getRcptParams();
+
+    /**
+     * Runs when a command is due to be sent.
+     *
+     * @param Swift_Transport_SmtpAgent $agent            to read/write
+     * @param string                    $command          to send
+     * @param int[]                     $codes            expected in response
+     * @param string[]                  $failedRecipients to collect failures
+     * @param bool                      $stop             to be set true  by-reference if the command is now sent
+     */
+    public function onCommand(Swift_Transport_SmtpAgent $agent, $command, $codes = array(), &$failedRecipients = null, &$stop = false);
+
+    /**
+     * Returns +1, -1 or 0 according to the rules for usort().
+     *
+     * This method is called to ensure extensions can be execute in an appropriate order.
+     *
+     * @param string $esmtpKeyword to compare with
+     *
+     * @return int
+     */
+    public function getPriorityOver($esmtpKeyword);
+
+    /**
+     * Returns an array of method names which are exposed to the Esmtp class.
+     *
+     * @return string[]
+     */
+    public function exposeMixinMethods();
+
+    /**
+     * Tells this handler to clear any buffers and reset its state.
+     */
+    public function resetState();
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/EsmtpTransport.php b/vendor/swiftmailer/classes/Swift/Transport/EsmtpTransport.php
new file mode 100644
index 00000000..d36ae93b
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/EsmtpTransport.php
@@ -0,0 +1,387 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Sends Messages over SMTP with ESMTP support.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_EsmtpTransport extends Swift_Transport_AbstractSmtpTransport implements Swift_Transport_SmtpAgent
+{
+    /**
+     * ESMTP extension handlers.
+     *
+     * @var Swift_Transport_EsmtpHandler[]
+     */
+    private $_handlers = array();
+
+    /**
+     * ESMTP capabilities.
+     *
+     * @var string[]
+     */
+    private $_capabilities = array();
+
+    /**
+     * Connection buffer parameters.
+     *
+     * @var array
+     */
+    private $_params = array(
+        'protocol' => 'tcp',
+        'host' => 'localhost',
+        'port' => 25,
+        'timeout' => 30,
+        'blocking' => 1,
+        'tls' => false,
+        'type' => Swift_Transport_IoBuffer::TYPE_SOCKET
+        );
+
+    /**
+     * Creates a new EsmtpTransport using the given I/O buffer.
+     *
+     * @param Swift_Transport_IoBuffer       $buf
+     * @param Swift_Transport_EsmtpHandler[] $extensionHandlers
+     * @param Swift_Events_EventDispatcher   $dispatcher
+     */
+    public function __construct(Swift_Transport_IoBuffer $buf, array $extensionHandlers, Swift_Events_EventDispatcher $dispatcher)
+    {
+        parent::__construct($buf, $dispatcher);
+        $this->setExtensionHandlers($extensionHandlers);
+    }
+
+    /**
+     * Set the host to connect to.
+     *
+     * @param string $host
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setHost($host)
+    {
+        $this->_params['host'] = $host;
+
+        return $this;
+    }
+
+    /**
+     * Get the host to connect to.
+     *
+     * @return string
+     */
+    public function getHost()
+    {
+        return $this->_params['host'];
+    }
+
+    /**
+     * Set the port to connect to.
+     *
+     * @param int     $port
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setPort($port)
+    {
+        $this->_params['port'] = (int) $port;
+
+        return $this;
+    }
+
+    /**
+     * Get the port to connect to.
+     *
+     * @return int
+     */
+    public function getPort()
+    {
+        return $this->_params['port'];
+    }
+
+    /**
+     * Set the connection timeout.
+     *
+     * @param int     $timeout seconds
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setTimeout($timeout)
+    {
+        $this->_params['timeout'] = (int) $timeout;
+        $this->_buffer->setParam('timeout', (int) $timeout);
+
+        return $this;
+    }
+
+    /**
+     * Get the connection timeout.
+     *
+     * @return int
+     */
+    public function getTimeout()
+    {
+        return $this->_params['timeout'];
+    }
+
+    /**
+     * Set the encryption type (tls or ssl)
+     *
+     * @param string $encryption
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setEncryption($encryption)
+    {
+        if ('tls' == $encryption) {
+            $this->_params['protocol'] = 'tcp';
+            $this->_params['tls'] = true;
+        } else {
+            $this->_params['protocol'] = $encryption;
+            $this->_params['tls'] = false;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the encryption type.
+     *
+     * @return string
+     */
+    public function getEncryption()
+    {
+        return $this->_params['tls'] ? 'tls' : $this->_params['protocol'];
+    }
+
+    /**
+     * Sets the source IP.
+     *
+     * @param string $source
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setSourceIp($source)
+    {
+        $this->_params['sourceIp']=$source;
+
+        return $this;
+    }
+
+    /**
+     * Returns the IP used to connect to the destination.
+     *
+     * @return string
+     */
+    public function getSourceIp()
+    {
+        return $this->_params['sourceIp'];
+    }
+
+    /**
+     * Set ESMTP extension handlers.
+     *
+     * @param Swift_Transport_EsmtpHandler[] $handlers
+     *
+     * @return Swift_Transport_EsmtpTransport
+     */
+    public function setExtensionHandlers(array $handlers)
+    {
+        $assoc = array();
+        foreach ($handlers as $handler) {
+            $assoc[$handler->getHandledKeyword()] = $handler;
+        }
+        uasort($assoc, array($this, '_sortHandlers'));
+        $this->_handlers = $assoc;
+        $this->_setHandlerParams();
+
+        return $this;
+    }
+
+    /**
+     * Get ESMTP extension handlers.
+     *
+     * @return Swift_Transport_EsmtpHandler[]
+     */
+    public function getExtensionHandlers()
+    {
+        return array_values($this->_handlers);
+    }
+
+    /**
+     * Run a command against the buffer, expecting the given response codes.
+     *
+     * If no response codes are given, the response will not be validated.
+     * If codes are given, an exception will be thrown on an invalid response.
+     *
+     * @param string   $command
+     * @param int[]    $codes
+     * @param string[] $failures An array of failures by-reference
+     *
+     * @return string
+     */
+    public function executeCommand($command, $codes = array(), &$failures = null)
+    {
+        $failures = (array) $failures;
+        $stopSignal = false;
+        $response = null;
+        foreach ($this->_getActiveHandlers() as $handler) {
+            $response = $handler->onCommand(
+                $this, $command, $codes, $failures, $stopSignal
+                );
+            if ($stopSignal) {
+                return $response;
+            }
+        }
+
+        return parent::executeCommand($command, $codes, $failures);
+    }
+
+    // -- Mixin invocation code
+
+    /** Mixin handling method for ESMTP handlers */
+    public function __call($method, $args)
+    {
+        foreach ($this->_handlers as $handler) {
+            if (in_array(strtolower($method),
+                array_map('strtolower', (array) $handler->exposeMixinMethods())
+                ))
+            {
+                $return = call_user_func_array(array($handler, $method), $args);
+                // Allow fluid method calls
+                if (is_null($return) && substr($method, 0, 3) == 'set') {
+                    return $this;
+                } else {
+                    return $return;
+                }
+            }
+        }
+        trigger_error('Call to undefined method ' . $method, E_USER_ERROR);
+    }
+
+    /** Get the params to initialize the buffer */
+    protected function _getBufferParams()
+    {
+        return $this->_params;
+    }
+
+    /** Overridden to perform EHLO instead */
+    protected function _doHeloCommand()
+    {
+        try {
+            $response = $this->executeCommand(
+                sprintf("EHLO %s\r\n", $this->_domain), array(250)
+                );
+        } catch (Swift_TransportException $e) {
+            return parent::_doHeloCommand();
+        }
+
+        if ($this->_params['tls']) {
+            try {
+                $this->executeCommand("STARTTLS\r\n", array(220));
+
+                if (!$this->_buffer->startTLS()) {
+                    throw new Swift_TransportException('Unable to connect with TLS encryption');
+                }
+
+                try {
+                    $response = $this->executeCommand(
+                        sprintf("EHLO %s\r\n", $this->_domain), array(250)
+                        );
+                } catch (Swift_TransportException $e) {
+                    return parent::_doHeloCommand();
+                }
+            } catch (Swift_TransportException $e) {
+                $this->_throwException($e);
+            }
+        }
+
+        $this->_capabilities = $this->_getCapabilities($response);
+        $this->_setHandlerParams();
+        foreach ($this->_getActiveHandlers() as $handler) {
+            $handler->afterEhlo($this);
+        }
+    }
+
+    /** Overridden to add Extension support */
+    protected function _doMailFromCommand($address)
+    {
+        $handlers = $this->_getActiveHandlers();
+        $params = array();
+        foreach ($handlers as $handler) {
+            $params = array_merge($params, (array) $handler->getMailParams());
+        }
+        $paramStr = !empty($params) ? ' ' . implode(' ', $params) : '';
+        $this->executeCommand(
+            sprintf("MAIL FROM: <%s>%s\r\n", $address, $paramStr), array(250)
+            );
+    }
+
+    /** Overridden to add Extension support */
+    protected function _doRcptToCommand($address)
+    {
+        $handlers = $this->_getActiveHandlers();
+        $params = array();
+        foreach ($handlers as $handler) {
+            $params = array_merge($params, (array) $handler->getRcptParams());
+        }
+        $paramStr = !empty($params) ? ' ' . implode(' ', $params) : '';
+        $this->executeCommand(
+            sprintf("RCPT TO: <%s>%s\r\n", $address, $paramStr), array(250, 251, 252)
+            );
+    }
+
+    /** Determine ESMTP capabilities by function group */
+    private function _getCapabilities($ehloResponse)
+    {
+        $capabilities = array();
+        $ehloResponse = trim($ehloResponse);
+        $lines = explode("\r\n", $ehloResponse);
+        array_shift($lines);
+        foreach ($lines as $line) {
+            if (preg_match('/^[0-9]{3}[ -]([A-Z0-9-]+)((?:[ =].*)?)$/Di', $line, $matches)) {
+                $keyword = strtoupper($matches[1]);
+                $paramStr = strtoupper(ltrim($matches[2], ' ='));
+                $params = !empty($paramStr) ? explode(' ', $paramStr) : array();
+                $capabilities[$keyword] = $params;
+            }
+        }
+
+        return $capabilities;
+    }
+
+    /** Set parameters which are used by each extension handler */
+    private function _setHandlerParams()
+    {
+        foreach ($this->_handlers as $keyword => $handler) {
+            if (array_key_exists($keyword, $this->_capabilities)) {
+                $handler->setKeywordParams($this->_capabilities[$keyword]);
+            }
+        }
+    }
+
+    /** Get ESMTP handlers which are currently ok to use */
+    private function _getActiveHandlers()
+    {
+        $handlers = array();
+        foreach ($this->_handlers as $keyword => $handler) {
+            if (array_key_exists($keyword, $this->_capabilities)) {
+                $handlers[] = $handler;
+            }
+        }
+
+        return $handlers;
+    }
+
+    /** Custom sort for extension handler ordering */
+    private function _sortHandlers($a, $b)
+    {
+        return $a->getPriorityOver($b->getHandledKeyword());
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/FailoverTransport.php b/vendor/swiftmailer/classes/Swift/Transport/FailoverTransport.php
new file mode 100644
index 00000000..020bd057
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/FailoverTransport.php
@@ -0,0 +1,86 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Contains a list of redundant Transports so when one fails, the next is used.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_FailoverTransport extends Swift_Transport_LoadBalancedTransport
+{
+    /**
+     * Registered transport currently used.
+     *
+     * @var Swift_Transport
+     */
+    private $_currentTransport;
+
+    /**
+     * Creates a new FailoverTransport.
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     * The return value is the number of recipients who were accepted for delivery.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $maxTransports = count($this->_transports);
+        $sent = 0;
+
+        for ($i = 0; $i < $maxTransports
+            && $transport = $this->_getNextTransport(); ++$i)
+        {
+            try {
+                if (!$transport->isStarted()) {
+                    $transport->start();
+                }
+
+                return $transport->send($message, $failedRecipients);
+            } catch (Swift_TransportException $e) {
+                $this->_killCurrentTransport();
+            }
+        }
+
+        if (count($this->_transports) == 0) {
+            throw new Swift_TransportException(
+                'All Transports in FailoverTransport failed, or no Transports available'
+                );
+        }
+
+        return $sent;
+    }
+
+    protected function _getNextTransport()
+    {
+        if (!isset($this->_currentTransport)) {
+            $this->_currentTransport = parent::_getNextTransport();
+        }
+
+        return $this->_currentTransport;
+    }
+
+    protected function _killCurrentTransport()
+    {
+        $this->_currentTransport = null;
+        parent::_killCurrentTransport();
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/IoBuffer.php b/vendor/swiftmailer/classes/Swift/Transport/IoBuffer.php
new file mode 100644
index 00000000..71b3f1e5
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/IoBuffer.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Buffers input and output to a resource.
+ *
+ * @author     Chris Corbyn
+ */
+interface Swift_Transport_IoBuffer extends Swift_InputByteStream, Swift_OutputByteStream
+{
+    /** A socket buffer over TCP */
+    const TYPE_SOCKET = 0x0001;
+
+    /** A process buffer with I/O support */
+    const TYPE_PROCESS = 0x0010;
+
+    /**
+     * Perform any initialization needed, using the given $params.
+     *
+     * Parameters will vary depending upon the type of IoBuffer used.
+     *
+     * @param array $params
+     */
+    public function initialize(array $params);
+
+    /**
+     * Set an individual param on the buffer (e.g. switching to SSL).
+     *
+     * @param string $param
+     * @param mixed  $value
+     */
+    public function setParam($param, $value);
+
+    /**
+     * Perform any shutdown logic needed.
+     */
+    public function terminate();
+
+    /**
+     * Set an array of string replacements which should be made on data written
+     * to the buffer.
+     *
+     * This could replace LF with CRLF for example.
+     *
+     * @param string[] $replacements
+     */
+    public function setWriteTranslations(array $replacements);
+
+    /**
+     * Get a line of output (including any CRLF).
+     *
+     * The $sequence number comes from any writes and may or may not be used
+     * depending upon the implementation.
+     *
+     * @param int     $sequence of last write to scan from
+     *
+     * @return string
+     */
+    public function readLine($sequence);
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/LoadBalancedTransport.php b/vendor/swiftmailer/classes/Swift/Transport/LoadBalancedTransport.php
new file mode 100644
index 00000000..dd27a2d9
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/LoadBalancedTransport.php
@@ -0,0 +1,167 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Redundantly and rotationally uses several Transports when sending.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_LoadBalancedTransport implements Swift_Transport
+{
+    /**
+     * Transports which are deemed useless.
+     *
+     * @var Swift_Transport[]
+     */
+    private $_deadTransports = array();
+
+    /**
+     * The Transports which are used in rotation.
+     *
+     * @var Swift_Transport[]
+     */
+    protected $_transports = array();
+
+    /**
+     * Creates a new LoadBalancedTransport.
+     */
+    public function __construct()
+    {
+    }
+
+    /**
+     * Set $transports to delegate to.
+     *
+     * @param Swift_Transport[] $transports
+     */
+    public function setTransports(array $transports)
+    {
+        $this->_transports = $transports;
+        $this->_deadTransports = array();
+    }
+
+    /**
+     * Get $transports to delegate to.
+     *
+     * @return Swift_Transport[]
+     */
+    public function getTransports()
+    {
+        return array_merge($this->_transports, $this->_deadTransports);
+    }
+
+    /**
+     * Test if this Transport mechanism has started.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return count($this->_transports) > 0;
+    }
+
+    /**
+     * Start this Transport mechanism.
+     */
+    public function start()
+    {
+        $this->_transports = array_merge($this->_transports, $this->_deadTransports);
+    }
+
+    /**
+     * Stop this Transport mechanism.
+     */
+    public function stop()
+    {
+        foreach ($this->_transports as $transport) {
+            $transport->stop();
+        }
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     * The return value is the number of recipients who were accepted for delivery.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $maxTransports = count($this->_transports);
+        $sent = 0;
+
+        for ($i = 0; $i < $maxTransports
+            && $transport = $this->_getNextTransport(); ++$i)
+        {
+            try {
+                if (!$transport->isStarted()) {
+                    $transport->start();
+                }
+                if ($sent = $transport->send($message, $failedRecipients)) {
+                    break;
+                }
+            } catch (Swift_TransportException $e) {
+                $this->_killCurrentTransport();
+            }
+        }
+
+        if (count($this->_transports) == 0) {
+            throw new Swift_TransportException(
+                'All Transports in LoadBalancedTransport failed, or no Transports available'
+                );
+        }
+
+        return $sent;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        foreach ($this->_transports as $transport) {
+            $transport->registerPlugin($plugin);
+        }
+    }
+
+    /**
+     * Rotates the transport list around and returns the first instance.
+     *
+     * @return Swift_Transport
+     */
+    protected function _getNextTransport()
+    {
+        if ($next = array_shift($this->_transports)) {
+            $this->_transports[] = $next;
+        }
+
+        return $next;
+    }
+
+    /**
+     * Tag the currently used (top of stack) transport as dead/useless.
+     */
+    protected function _killCurrentTransport()
+    {
+        if ($transport = array_pop($this->_transports)) {
+            try {
+                $transport->stop();
+            } catch (Exception $e) {
+            }
+            $this->_deadTransports[] = $transport;
+        }
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/MailInvoker.php b/vendor/swiftmailer/classes/Swift/Transport/MailInvoker.php
new file mode 100644
index 00000000..77489ced
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/MailInvoker.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * This interface intercepts calls to the mail() function.
+ *
+ * @author     Chris Corbyn
+ */
+interface Swift_Transport_MailInvoker
+{
+    /**
+     * Send mail via the mail() function.
+     *
+     * This method takes the same arguments as PHP mail().
+     *
+     * @param string $to
+     * @param string $subject
+     * @param string $body
+     * @param string $headers
+     * @param string $extraParams
+     *
+     * @return bool
+     */
+    public function mail($to, $subject, $body, $headers = null, $extraParams = null);
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/MailTransport.php b/vendor/swiftmailer/classes/Swift/Transport/MailTransport.php
new file mode 100644
index 00000000..cf984d47
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/MailTransport.php
@@ -0,0 +1,227 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Sends Messages using the mail() function.
+ *
+ * It is advised that users do not use this transport if at all possible
+ * since a number of plugin features cannot be used in conjunction with this
+ * transport due to the internal interface in PHP itself.
+ *
+ * The level of error reporting with this transport is incredibly weak, again
+ * due to limitations of PHP's internal mail() function.  You'll get an
+ * all-or-nothing result from sending.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_MailTransport implements Swift_Transport
+{
+    /** Additional parameters to pass to mail() */
+    private $_extraParams = '-f%s';
+
+    /** The event dispatcher from the plugin API */
+    private $_eventDispatcher;
+
+    /** An invoker that calls the mail() function */
+    private $_invoker;
+
+    /**
+     * Create a new MailTransport with the $log.
+     *
+     * @param Swift_Transport_MailInvoker  $invoker
+     * @param Swift_Events_EventDispatcher $eventDispatcher
+     */
+    public function __construct(Swift_Transport_MailInvoker $invoker, Swift_Events_EventDispatcher $eventDispatcher)
+    {
+        $this->_invoker = $invoker;
+        $this->_eventDispatcher = $eventDispatcher;
+    }
+
+    /**
+     * Not used.
+     */
+    public function isStarted()
+    {
+        return false;
+    }
+
+    /**
+     * Not used.
+     */
+    public function start()
+    {
+    }
+
+    /**
+     * Not used.
+     */
+    public function stop()
+    {
+    }
+
+    /**
+     * Set the additional parameters used on the mail() function.
+     *
+     * This string is formatted for sprintf() where %s is the sender address.
+     *
+     * @param string $params
+     *
+     * @return Swift_Transport_MailTransport
+     */
+    public function setExtraParams($params)
+    {
+        $this->_extraParams = $params;
+
+        return $this;
+    }
+
+    /**
+     * Get the additional parameters used on the mail() function.
+     *
+     * This string is formatted for sprintf() where %s is the sender address.
+     *
+     * @return string
+     */
+    public function getExtraParams()
+    {
+        return $this->_extraParams;
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     * The return value is the number of recipients who were accepted for delivery.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $failedRecipients = (array) $failedRecipients;
+
+        if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+            if ($evt->bubbleCancelled()) {
+                return 0;
+            }
+        }
+
+        $count = (
+            count((array) $message->getTo())
+            + count((array) $message->getCc())
+            + count((array) $message->getBcc())
+            );
+
+        $toHeader = $message->getHeaders()->get('To');
+        $subjectHeader = $message->getHeaders()->get('Subject');
+
+        if (!$toHeader) {
+            throw new Swift_TransportException(
+                'Cannot send message without a recipient'
+                );
+        }
+        $to = $toHeader->getFieldBody();
+        $subject = $subjectHeader ? $subjectHeader->getFieldBody() : '';
+
+        $reversePath = $this->_getReversePath($message);
+
+        // Remove headers that would otherwise be duplicated
+        $message->getHeaders()->remove('To');
+        $message->getHeaders()->remove('Subject');
+
+        $messageStr = $message->toString();
+
+        $message->getHeaders()->set($toHeader);
+        $message->getHeaders()->set($subjectHeader);
+
+        // Separate headers from body
+        if (false !== $endHeaders = strpos($messageStr, "\r\n\r\n")) {
+            $headers = substr($messageStr, 0, $endHeaders) . "\r\n"; //Keep last EOL
+            $body = substr($messageStr, $endHeaders + 4);
+        } else {
+            $headers = $messageStr . "\r\n";
+            $body = '';
+        }
+
+        unset($messageStr);
+
+        if ("\r\n" != PHP_EOL) {
+            // Non-windows (not using SMTP)
+            $headers = str_replace("\r\n", PHP_EOL, $headers);
+            $body = str_replace("\r\n", PHP_EOL, $body);
+        } else {
+            // Windows, using SMTP
+            $headers = str_replace("\r\n.", "\r\n..", $headers);
+            $body = str_replace("\r\n.", "\r\n..", $body);
+        }
+
+        if ($this->_invoker->mail($to, $subject, $body, $headers,
+            sprintf($this->_extraParams, $reversePath)))
+        {
+            if ($evt) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
+                $evt->setFailedRecipients($failedRecipients);
+                $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+            }
+        } else {
+            $failedRecipients = array_merge(
+                $failedRecipients,
+                array_keys((array) $message->getTo()),
+                array_keys((array) $message->getCc()),
+                array_keys((array) $message->getBcc())
+                );
+
+            if ($evt) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_FAILED);
+                $evt->setFailedRecipients($failedRecipients);
+                $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+            }
+
+            $message->generateId();
+
+            $count = 0;
+        }
+
+        return $count;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        $this->_eventDispatcher->bindEventListener($plugin);
+    }
+
+    /** Determine the best-use reverse path for this message */
+    private function _getReversePath(Swift_Mime_Message $message)
+    {
+        $return = $message->getReturnPath();
+        $sender = $message->getSender();
+        $from = $message->getFrom();
+        $path = null;
+        if (!empty($return)) {
+            $path = $return;
+        } elseif (!empty($sender)) {
+            $keys = array_keys($sender);
+            $path = array_shift($keys);
+        } elseif (!empty($from)) {
+            $keys = array_keys($from);
+            $path = array_shift($keys);
+        }
+
+        return $path;
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/NullTransport.php b/vendor/swiftmailer/classes/Swift/Transport/NullTransport.php
new file mode 100644
index 00000000..f87cfbf3
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/NullTransport.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2009 Fabien Potencier <fabien.potencier@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Pretends messages have been sent, but just ignores them.
+ *
+ * @author  Fabien Potencier
+ */
+class Swift_Transport_NullTransport implements Swift_Transport
+{
+    /** The event dispatcher from the plugin API */
+    private $_eventDispatcher;
+
+    /**
+     * Constructor.
+     */
+    public function __construct(Swift_Events_EventDispatcher $eventDispatcher)
+    {
+        $this->_eventDispatcher = $eventDispatcher;
+    }
+
+    /**
+     * Tests if this Transport mechanism has started.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return true;
+    }
+
+    /**
+     * Starts this Transport mechanism.
+     */
+    public function start()
+    {
+    }
+
+    /**
+     * Stops this Transport mechanism.
+     */
+    public function stop()
+    {
+    }
+
+    /**
+     * Sends the given message.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int     The number of sent emails
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+            if ($evt->bubbleCancelled()) {
+                return 0;
+            }
+        }
+
+        if ($evt) {
+            $evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
+            $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+        }
+
+        $count = (
+            count((array) $message->getTo())
+            + count((array) $message->getCc())
+            + count((array) $message->getBcc())
+            );
+
+        return $count;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        $this->_eventDispatcher->bindEventListener($plugin);
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/SendmailTransport.php b/vendor/swiftmailer/classes/Swift/Transport/SendmailTransport.php
new file mode 100644
index 00000000..8f8eb043
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/SendmailTransport.php
@@ -0,0 +1,159 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * SendmailTransport for sending mail through a Sendmail/Postfix (etc..) binary.
+ *
+ * Supported modes are -bs and -t, with any additional flags desired.
+ * It is advised to use -bs mode since error reporting with -t mode is not
+ * possible.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_SendmailTransport extends Swift_Transport_AbstractSmtpTransport
+{
+    /**
+     * Connection buffer parameters.
+     *
+     * @var array
+     */
+    private $_params = array(
+        'timeout' => 30,
+        'blocking' => 1,
+        'command' => '/usr/sbin/sendmail -bs',
+        'type' => Swift_Transport_IoBuffer::TYPE_PROCESS
+        );
+
+    /**
+     * Create a new SendmailTransport with $buf for I/O.
+     *
+     * @param Swift_Transport_IoBuffer     $buf
+     * @param Swift_Events_EventDispatcher $dispatcher
+     */
+    public function __construct(Swift_Transport_IoBuffer $buf, Swift_Events_EventDispatcher $dispatcher)
+    {
+        parent::__construct($buf, $dispatcher);
+    }
+
+    /**
+     * Start the standalone SMTP session if running in -bs mode.
+     */
+    public function start()
+    {
+        if (false !== strpos($this->getCommand(), ' -bs')) {
+            parent::start();
+        }
+    }
+
+    /**
+     * Set the command to invoke.
+     *
+     * If using -t mode you are strongly advised to include -oi or -i in the flags.
+     * For example: /usr/sbin/sendmail -oi -t
+     * Swift will append a -f<sender> flag if one is not present.
+     *
+     * The recommended mode is "-bs" since it is interactive and failure notifications
+     * are hence possible.
+     *
+     * @param string $command
+     *
+     * @return Swift_Transport_SendmailTransport
+     */
+    public function setCommand($command)
+    {
+        $this->_params['command'] = $command;
+
+        return $this;
+    }
+
+    /**
+     * Get the sendmail command which will be invoked.
+     *
+     * @return string
+     */
+    public function getCommand()
+    {
+        return $this->_params['command'];
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     *
+     * The return value is the number of recipients who were accepted for delivery.
+     * NOTE: If using 'sendmail -t' you will not be aware of any failures until
+     * they bounce (i.e. send() will always return 100% success).
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $failedRecipients = (array) $failedRecipients;
+        $command = $this->getCommand();
+        $buffer = $this->getBuffer();
+
+        if (false !== strpos($command, ' -t')) {
+            if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+                if ($evt->bubbleCancelled()) {
+                    return 0;
+                }
+            }
+
+            if (false === strpos($command, ' -f')) {
+                $command .= ' -f' . escapeshellarg($this->_getReversePath($message));
+            }
+
+            $buffer->initialize(array_merge($this->_params, array('command' => $command)));
+
+            if (false === strpos($command, ' -i') && false === strpos($command, ' -oi')) {
+                $buffer->setWriteTranslations(array("\r\n" => "\n", "\n." => "\n.."));
+            } else {
+                $buffer->setWriteTranslations(array("\r\n"=>"\n"));
+            }
+
+            $count = count((array) $message->getTo())
+                + count((array) $message->getCc())
+                + count((array) $message->getBcc())
+                ;
+            $message->toByteStream($buffer);
+            $buffer->flushBuffers();
+            $buffer->setWriteTranslations(array());
+            $buffer->terminate();
+
+            if ($evt) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
+                $evt->setFailedRecipients($failedRecipients);
+                $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+            }
+
+            $message->generateId();
+        } elseif (false !== strpos($command, ' -bs')) {
+            $count = parent::send($message, $failedRecipients);
+        } else {
+            $this->_throwException(new Swift_TransportException(
+                'Unsupported sendmail command flags [' . $command . ']. ' .
+                'Must be one of "-bs" or "-t" but can include additional flags.'
+                ));
+        }
+
+        return $count;
+    }
+
+    /** Get the params to initialize the buffer */
+    protected function _getBufferParams()
+    {
+        return $this->_params;
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/SimpleMailInvoker.php b/vendor/swiftmailer/classes/Swift/Transport/SimpleMailInvoker.php
new file mode 100644
index 00000000..21e629a6
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/SimpleMailInvoker.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * This is the implementation class for {@link Swift_Transport_MailInvoker}.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_SimpleMailInvoker implements Swift_Transport_MailInvoker
+{
+    /**
+     * Send mail via the mail() function.
+     *
+     * This method takes the same arguments as PHP mail().
+     *
+     * @param string $to
+     * @param string $subject
+     * @param string $body
+     * @param string $headers
+     * @param string $extraParams
+     *
+     * @return bool
+     */
+    public function mail($to, $subject, $body, $headers = null, $extraParams = null)
+    {
+        if (!ini_get('safe_mode')) {
+            return @mail($to, $subject, $body, $headers, $extraParams);
+        } else {
+            return @mail($to, $subject, $body, $headers);
+        }
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/SmtpAgent.php b/vendor/swiftmailer/classes/Swift/Transport/SmtpAgent.php
new file mode 100644
index 00000000..4763b67e
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/SmtpAgent.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Wraps an IoBuffer to send/receive SMTP commands/responses.
+ *
+ * @author     Chris Corbyn
+ */
+interface Swift_Transport_SmtpAgent
+{
+    /**
+     * Get the IoBuffer where read/writes are occurring.
+     *
+     * @return Swift_Transport_IoBuffer
+     */
+    public function getBuffer();
+
+    /**
+     * Run a command against the buffer, expecting the given response codes.
+     *
+     * If no response codes are given, the response will not be validated.
+     * If codes are given, an exception will be thrown on an invalid response.
+     *
+     * @param string   $command
+     * @param int[]    $codes
+     * @param string[] $failures An array of failures by-reference
+     */
+    public function executeCommand($command, $codes = array(), &$failures = null);
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/SpoolTransport.php b/vendor/swiftmailer/classes/Swift/Transport/SpoolTransport.php
new file mode 100644
index 00000000..6ee9ef5c
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/SpoolTransport.php
@@ -0,0 +1,117 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2009 Fabien Potencier <fabien.potencier@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Stores Messages in a queue.
+ *
+ * @author  Fabien Potencier
+ */
+class Swift_Transport_SpoolTransport implements Swift_Transport
+{
+    /** The spool instance */
+    private $_spool;
+
+    /** The event dispatcher from the plugin API */
+    private $_eventDispatcher;
+
+    /**
+     * Constructor.
+     */
+    public function __construct(Swift_Events_EventDispatcher $eventDispatcher, Swift_Spool $spool = null)
+    {
+        $this->_eventDispatcher = $eventDispatcher;
+        $this->_spool = $spool;
+    }
+
+    /**
+     * Sets the spool object.
+     *
+     * @param Swift_Spool $spool
+     *
+     * @return Swift_Transport_SpoolTransport
+     */
+    public function setSpool(Swift_Spool $spool)
+    {
+        $this->_spool = $spool;
+
+        return $this;
+    }
+
+    /**
+     * Get the spool object.
+     *
+     * @return Swift_Spool
+     */
+    public function getSpool()
+    {
+        return $this->_spool;
+    }
+
+    /**
+     * Tests if this Transport mechanism has started.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return true;
+    }
+
+    /**
+     * Starts this Transport mechanism.
+     */
+    public function start()
+    {
+    }
+
+    /**
+     * Stops this Transport mechanism.
+     */
+    public function stop()
+    {
+    }
+
+    /**
+     * Sends the given message.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int     The number of sent e-mail's
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+            if ($evt->bubbleCancelled()) {
+                return 0;
+            }
+        }
+
+        $success = $this->_spool->queueMessage($message);
+
+        if ($evt) {
+            $evt->setResult($success ? Swift_Events_SendEvent::RESULT_SUCCESS : Swift_Events_SendEvent::RESULT_FAILED);
+            $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+        }
+
+        return 1;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        $this->_eventDispatcher->bindEventListener($plugin);
+    }
+}
diff --git a/vendor/swiftmailer/classes/Swift/Transport/StreamBuffer.php b/vendor/swiftmailer/classes/Swift/Transport/StreamBuffer.php
new file mode 100644
index 00000000..b36f56e7
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/StreamBuffer.php
@@ -0,0 +1,321 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * A generic IoBuffer implementation supporting remote sockets and local processes.
+ *
+ * @author     Chris Corbyn
+ */
+class Swift_Transport_StreamBuffer extends Swift_ByteStream_AbstractFilterableInputStream implements Swift_Transport_IoBuffer
+{
+    /** A primary socket */
+    private $_stream;
+
+    /** The input stream */
+    private $_in;
+
+    /** The output stream */
+    private $_out;
+
+    /** Buffer initialization parameters */
+    private $_params = array();
+
+    /** The ReplacementFilterFactory */
+    private $_replacementFactory;
+
+    /** Translations performed on data being streamed into the buffer */
+    private $_translations = array();
+
+    /**
+     * Create a new StreamBuffer using $replacementFactory for transformations.
+     *
+     * @param Swift_ReplacementFilterFactory $replacementFactory
+     */
+    public function __construct(Swift_ReplacementFilterFactory $replacementFactory)
+    {
+        $this->_replacementFactory = $replacementFactory;
+    }
+
+    /**
+     * Perform any initialization needed, using the given $params.
+     *
+     * Parameters will vary depending upon the type of IoBuffer used.
+     *
+     * @param array $params
+     */
+    public function initialize(array $params)
+    {
+        $this->_params = $params;
+        switch ($params['type']) {
+            case self::TYPE_PROCESS:
+                $this->_establishProcessConnection();
+                break;
+            case self::TYPE_SOCKET:
+            default:
+                $this->_establishSocketConnection();
+                break;
+        }
+    }
+
+    /**
+     * Set an individual param on the buffer (e.g. switching to SSL).
+     *
+     * @param string $param
+     * @param mixed  $value
+     */
+    public function setParam($param, $value)
+    {
+        if (isset($this->_stream)) {
+            switch ($param) {
+                case 'timeout':
+                    if ($this->_stream) {
+                        stream_set_timeout($this->_stream, $value);
+                    }
+                    break;
+
+                case 'blocking':
+                    if ($this->_stream) {
+                        stream_set_blocking($this->_stream, 1);
+                    }
+
+            }
+        }
+        $this->_params[$param] = $value;
+    }
+
+    public function startTLS()
+    {
+        return stream_socket_enable_crypto($this->_stream, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
+    }
+
+    /**
+     * Perform any shutdown logic needed.
+     */
+    public function terminate()
+    {
+        if (isset($this->_stream)) {
+            switch ($this->_params['type']) {
+                case self::TYPE_PROCESS:
+                    fclose($this->_in);
+                    fclose($this->_out);
+                    proc_close($this->_stream);
+                    break;
+                case self::TYPE_SOCKET:
+                default:
+                    fclose($this->_stream);
+                    break;
+            }
+        }
+        $this->_stream = null;
+        $this->_out = null;
+        $this->_in = null;
+    }
+
+    /**
+     * Set an array of string replacements which should be made on data written
+     * to the buffer.
+     *
+     * This could replace LF with CRLF for example.
+     *
+     * @param string[] $replacements
+     */
+    public function setWriteTranslations(array $replacements)
+    {
+        foreach ($this->_translations as $search => $replace) {
+            if (!isset($replacements[$search])) {
+                $this->removeFilter($search);
+                unset($this->_translations[$search]);
+            }
+        }
+
+        foreach ($replacements as $search => $replace) {
+            if (!isset($this->_translations[$search])) {
+                $this->addFilter(
+                    $this->_replacementFactory->createFilter($search, $replace), $search
+                    );
+                $this->_translations[$search] = true;
+            }
+        }
+    }
+
+    /**
+     * Get a line of output (including any CRLF).
+     *
+     * The $sequence number comes from any writes and may or may not be used
+     * depending upon the implementation.
+     *
+     * @param int     $sequence of last write to scan from
+     *
+     * @return string
+     *
+     * @throws Swift_IoException
+     */
+    public function readLine($sequence)
+    {
+        if (isset($this->_out) && !feof($this->_out)) {
+            $line = fgets($this->_out);
+            if (strlen($line)==0) {
+                $metas = stream_get_meta_data($this->_out);
+                if ($metas['timed_out']) {
+                    throw new Swift_IoException(
+                        'Connection to ' .
+                            $this->_getReadConnectionDescription() .
+                        ' Timed Out'
+                    );
+                }
+            }
+
+            return $line;
+        }
+    }
+
+    /**
+     * Reads $length bytes from the stream into a string and moves the pointer
+     * through the stream by $length.
+     *
+     * If less bytes exist than are requested the remaining bytes are given instead.
+     * If no bytes are remaining at all, boolean false is returned.
+     *
+     * @param int     $length
+     *
+     * @return string|bool
+     *
+     * @throws Swift_IoException
+     */
+    public function read($length)
+    {
+        if (isset($this->_out) && !feof($this->_out)) {
+            $ret = fread($this->_out, $length);
+            if (strlen($ret)==0) {
+                $metas = stream_get_meta_data($this->_out);
+                if ($metas['timed_out']) {
+                    throw new Swift_IoException(
+                        'Connection to ' .
+                            $this->_getReadConnectionDescription() .
+                        ' Timed Out'
+                    );
+                }
+            }
+
+            return $ret;
+        }
+    }
+
+    /** Not implemented */
+    public function setReadPointer($byteOffset)
+    {
+    }
+
+    /** Flush the stream contents */
+    protected function _flush()
+    {
+        if (isset($this->_in)) {
+            fflush($this->_in);
+        }
+    }
+
+    /** Write this bytes to the stream */
+    protected function _commit($bytes)
+    {
+        if (isset($this->_in)) {
+            $bytesToWrite = strlen($bytes);
+            $totalBytesWritten = 0;
+
+            while ($totalBytesWritten < $bytesToWrite) {
+                $bytesWritten = fwrite($this->_in, substr($bytes, $totalBytesWritten));
+                if (false === $bytesWritten || 0 === $bytesWritten) {
+                    break;
+                }
+
+                $totalBytesWritten += $bytesWritten;
+            }
+
+            if ($totalBytesWritten > 0) {
+                return ++$this->_sequence;
+            }
+        }
+    }
+
+    /**
+     * Establishes a connection to a remote server.
+     */
+    private function _establishSocketConnection()
+    {
+        $host = $this->_params['host'];
+        if (!empty($this->_params['protocol'])) {
+            $host = $this->_params['protocol'] . '://' . $host;
+        }
+        $timeout = 15;
+        if (!empty($this->_params['timeout'])) {
+            $timeout = $this->_params['timeout'];
+        }
+        $options = array();
+        if (!empty($this->_params['sourceIp'])) {
+            $options['socket']['bindto']=$this->_params['sourceIp'].':0';
+        }
+        $this->_stream = @stream_socket_client($host.':'.$this->_params['port'], $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT, stream_context_create($options));
+        if (false === $this->_stream) {
+            throw new Swift_TransportException(
+                'Connection could not be established with host ' . $this->_params['host'] .
+                ' [' . $errstr . ' #' . $errno . ']'
+                );
+        }
+        if (!empty($this->_params['blocking'])) {
+            stream_set_blocking($this->_stream, 1);
+        } else {
+            stream_set_blocking($this->_stream, 0);
+        }
+        stream_set_timeout($this->_stream, $timeout);
+        $this->_in =& $this->_stream;
+        $this->_out =& $this->_stream;
+    }
+
+    /**
+     * Opens a process for input/output.
+     */
+    private function _establishProcessConnection()
+    {
+        $command = $this->_params['command'];
+        $descriptorSpec = array(
+            0 => array('pipe', 'r'),
+            1 => array('pipe', 'w'),
+            2 => array('pipe', 'w')
+            );
+        $this->_stream = proc_open($command, $descriptorSpec, $pipes);
+        stream_set_blocking($pipes[2], 0);
+        if ($err = stream_get_contents($pipes[2])) {
+            throw new Swift_TransportException(
+                'Process could not be started [' . $err . ']'
+                );
+        }
+        $this->_in =& $pipes[0];
+        $this->_out =& $pipes[1];
+    }
+
+    private function _getReadConnectionDescription()
+    {
+        switch ($this->_params['type']) {
+            case self::TYPE_PROCESS:
+                return 'Process '.$this->_params['command'];
+                break;
+
+            case self::TYPE_SOCKET:
+            default:
+                $host = $this->_params['host'];
+                if (!empty($this->_params['protocol'])) {
+                    $host = $this->_params['protocol'] . '://' . $host;
+                }
+                $host.=':'.$this->_params['port'];
+
+                return $host;
+                break;
+        }
+    }
+}