Merge branch 'development' into h-node

17 files changed, 2639 insertions, 0 deletions

diff --git a/External/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php
new file mode 100755
index 0000000..3329d34
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php
@@ -0,0 +1,543 @@
+<?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.
+ */
+
+//@require 'Swift/Transport.php';
+//@require 'Swift/Transport/IoBuffer.php';
+//@require 'Swift/Transport/CommandSentException.php';
+//@require 'Swift/TransportException.php';
+//@require 'Swift/Mime/Message.php';
+//@require 'Swift/Events/EventDispatcher.php';
+//@require 'Swift/Events/EventListener.php';
+
+/**
+ * Sends Messages over SMTP.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @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;
+  
+  /** 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 $domain
+   */
+  public function setLocalDomain($domain)
+  {
+    $this->_domain = $domain;
+    return $this;
+  }
+  
+  /**
+   * Get the name of the domain Swift will identify as.
+   * 
+   * @return string
+   */
+  public function getLocalDomain()
+  {
+    return $this->_domain;
+  }
+  
+  /**
+   * Start the SMTP connection.
+   */
+  public function start()
+  {
+    if (!$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 boolean
+   */
+  public function isStarted()
+  {
+    return $this->_started;
+  }
+  
+  /**
+   * Send the given Message.
+   * 
+   * Recipient/sender data will be retreived 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 to collect failures by-reference
+   * @return int
+   */
+  public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+  {
+    $sent = 0;
+    $failedRecipients = (array) $failedRecipients;
+    
+    if (!$reversePath = $this->_getReversePath($message))
+    {
+      throw new Swift_TransportException(
+        'Cannot send message without a sender address'
+        );
+    }
+    
+    if ($evt = $this->_eventDispatcher->createSendEvent($this, $message))
+    {
+      $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+      if ($evt->bubbleCancelled())
+      {
+        return 0;
+      }
+    }
+    
+    $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
+   * @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;
+  }
+  
+  // -- Protected methods
+  
+  /** 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, $separator, $text) = sscanf($response, '%3d%[ -]%s');
+    $valid = (empty($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 "' . $response . '"'
+          )
+        );
+    }
+  }
+  
+  /** Get an entire multi-line response using its sequence number */
+  protected function _getFullResponse($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);
+    }
+    return $response;
+  }
+  
+  // -- Private methods
+  
+  /** Send an email to the given recipients from the given reverse path */
+  private function _doMailTransaction($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/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
new file mode 100755
index 0000000..4c7e0f2
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php
@@ -0,0 +1,88 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles CRAM-MD5 authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @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 boolean
+   */
+  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/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
new file mode 100755
index 0000000..bd22617
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php
@@ -0,0 +1,58 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles LOGIN authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @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 boolean
+   */
+  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/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
new file mode 100755
index 0000000..ddd8094
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php
@@ -0,0 +1,57 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/Esmtp/Authenticator.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * Handles PLAIN authentication.
+ * @package Swift
+ * @subpackage Transport
+ * @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 boolean
+   */
+  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/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php
new file mode 100755
index 0000000..a223169
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php
@@ -0,0 +1,262 @@
+<?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.
+ */
+
+//@require 'Swift/TransportException.php';
+//@require 'Swift/Transport/EsmtpHandler.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+
+/**
+ * An ESMTP handler for AUTH support.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_Esmtp_AuthHandler implements Swift_Transport_EsmtpHandler
+{
+  
+  /**
+   * Authenticators available to process the request.
+   * @var Swift_Transport_Esmtp_Authenticator[]
+   * @access private
+   */
+  private $_authenticators = array();
+  
+  /**
+   * The username for authentication.
+   * @var string
+   * @access private
+   */
+  private $_username;
+  
+  /**
+   * The password for authentication.
+   * @var string
+   * @access private
+   */
+  private $_password;
+  
+  /**
+   * The auth mode for authentication.
+   * @var string
+   * @access private
+   */
+  private $_auth_mode;
+  
+  /**
+   * The ESMTP AUTH parameters available.
+   * @var string[]
+   * @access private
+   */
+  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 boolean
+   */
+  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()
+  {
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Returns the authenticator list for the given agent.
+   * @param  Swift_Transport_SmtpAgent $agent
+   * @return array
+   * @access protected
+   */
+  protected function _getAuthenticatorsForAgent()
+  {
+    if (!$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/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php
new file mode 100755
index 0000000..bf166d3
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/Esmtp/Authenticator.php
@@ -0,0 +1,38 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/SmtpAgent.php';
+
+/**
+ * An Authentication mechanism.
+ * @package Swift
+ * @subpackage Transport
+ * @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 boolean
+   */
+  public function authenticate(Swift_Transport_SmtpAgent $agent,
+    $username, $password);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/EsmtpHandler.php b/External/swiftmailer/lib/classes/Swift/Transport/EsmtpHandler.php
new file mode 100755
index 0000000..e96f95f
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/EsmtpHandler.php
@@ -0,0 +1,82 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/EsmtpBufferWrapper.php';
+
+/**
+ * An ESMTP handler.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+interface Swift_Transport_EsmtpHandler
+{
+  
+  /**
+   * Get the name of the ESMTP extension this handles.
+   * @return boolean
+   */
+  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
+   * @param boolean &$stop to be set true 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/External/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php
new file mode 100755
index 0000000..c7833c3
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php
@@ -0,0 +1,340 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/AbstractSmtpTransport.php';
+//@require 'Swift/Transport/EsmtpHandler.php';
+//@require 'Swift/Transport/IoBuffer.php';
+//@require 'Swift/Transport/SmtpAgent.php';
+//@require 'Swift/TransportException.php';
+//@require 'Swift/Mime/Message.php';
+//@require 'Swift/Events/EventDispatcher.php';
+
+/**
+ * Sends Messages over SMTP with ESMTP support.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_EsmtpTransport
+  extends Swift_Transport_AbstractSmtpTransport
+  implements Swift_Transport_SmtpAgent
+{
+  
+  /**
+   * ESMTP extension handlers.
+   * @var Swift_Transport_EsmtpHandler[]
+   * @access private
+   */
+  private $_handlers = array();
+  
+  /**
+   * ESMTP capabilities.
+   * @var string[]
+   * @access private
+   */
+  private $_capabilities = array();
+  
+  /**
+   * Connection buffer parameters.
+   * @var array
+   * @access protected
+   */
+  private $_params = array(
+    'protocol' => 'tcp',
+    'host' => 'localhost',
+    'port' => 25,
+    'timeout' => 30,
+    'blocking' => 1,
+    '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 $host
+   */
+  public function setHost($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 $port
+   */
+  public function setPort($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 $timeout seconds
+   */
+  public function setTimeout($timeout)
+  {
+    $this->_params['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 $encryption
+   */
+  public function setEncryption($enc)
+  {
+    $this->_params['protocol'] = $enc;
+    return $this;
+  }
+  
+  /**
+   * Get the encryption type.
+   * @return string
+   */
+  public function getEncryption()
+  {
+    return $this->_params['protocol'];
+  }
+  
+  /**
+   * Set ESMTP extension handlers.
+   * @param Swift_Transport_EsmtpHandler[] $handlers
+   */
+  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
+   * @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);
+  }
+  
+  // -- Protected methods
+  
+  /** 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();
+    }
+
+    $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, $paramStr), array(250, 251, 252)
+      );
+  }
+  
+  // -- Private methods
+  
+  /** Determine ESMTP capabilities by function group */
+  private function _getCapabilities($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/External/swiftmailer/lib/classes/Swift/Transport/FailoverTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/FailoverTransport.php
new file mode 100755
index 0000000..e62491c
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/FailoverTransport.php
@@ -0,0 +1,97 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/LoadBalancedTransport.php';
+//@require 'Swift/Mime/Message.php';
+
+/**
+ * Contains a list of redundant Transports so when one fails, the next is used.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_FailoverTransport
+  extends Swift_Transport_LoadBalancedTransport
+{
+  
+  /**
+   * Registered transport curently used.
+   * @var Swift_Transport
+   * @access private
+   */
+  private $_currentTransport;
+  
+  /**
+   * Creates a new FailoverTransport.
+   */
+  public function __construct()
+  {
+    parent::__construct();
+  }
+  
+  /**
+   * Send the given Message.
+   * Recipient/sender data will be retreived 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 to collect 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 $sent;
+  }
+  
+  // -- Protected methods
+  
+  protected function _getNextTransport()
+  {
+    if (!isset($this->_currentTransport))
+    {
+      $this->_currentTransport = parent::_getNextTransport();
+    }
+    return $this->_currentTransport;
+  }
+  
+  protected function _killCurrentTransport()
+  {
+    $this->_currentTransport = null;
+    parent::_killCurrentTransport();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/IoBuffer.php b/External/swiftmailer/lib/classes/Swift/Transport/IoBuffer.php
new file mode 100755
index 0000000..ac66ef0
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/IoBuffer.php
@@ -0,0 +1,65 @@
+<?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.
+ */
+
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Buffers input and output to a resource.
+ * @package Swift
+ * @subpackage Transport
+ * @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/External/swiftmailer/lib/classes/Swift/Transport/LoadBalancedTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/LoadBalancedTransport.php
new file mode 100755
index 0000000..367981b
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/LoadBalancedTransport.php
@@ -0,0 +1,188 @@
+<?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.
+ */
+
+//@require 'Swift/Transport.php';
+//@require 'Swift/Mime/Message.php';
+//@require 'Swift/Events/EventListener.php';
+
+/**
+ * Redudantly and rotationally uses several Transports when sending.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_LoadBalancedTransport implements Swift_Transport
+{
+  
+  /** Transports which are deemed useless */
+  private $_deadTransports = array();
+  
+  /**
+   * The Transports which are used in rotation.
+   * 
+   * @var array Swift_Transport
+   * @access protected
+   */
+  protected $_transports = array();
+  
+  /**
+   * Creates a new LoadBalancedTransport.
+   */
+  public function __construct()
+  {
+  }
+  
+  /**
+   * Set $transports to delegate to.
+   * 
+   * @param array $transports Swift_Transport
+   */
+  public function setTransports(array $transports)
+  {
+    $this->_transports = $transports;
+    $this->_deadTransports = array();
+  }
+  
+  /**
+   * Get $transports to delegate to.
+   * 
+   * @return array Swift_Transport
+   */
+  public function getTransports(array $transports)
+  {
+    return array_merge($this->_transports, $this->_deadTransports);
+  }
+  
+  /**
+   * Test if this Transport mechanism has started.
+   * 
+   * @return boolean
+   */
+  public function isStarted()
+  {
+    return count($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 retreived 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 to collect 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);
+    }
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Rotates the transport list around and returns the first instance.
+   * 
+   * @return Swift_Transport
+   * @access protected
+   */
+  protected function _getNextTransport()
+  {
+    if ($next = array_shift($this->_transports))
+    {
+      $this->_transports[] = $next;
+    }
+    return $next;
+  }
+  
+  /**
+   * Tag the currently used (top of stack) transport as dead/useless.
+   * 
+   * @access protected
+   */
+  protected function _killCurrentTransport()
+  {
+    if ($transport = array_pop($this->_transports))
+    {
+      try
+      {
+        $transport->stop();
+      }
+      catch (Exception $e)
+      {
+      }
+      $this->_deadTransports[] = $transport;
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/MailInvoker.php b/External/swiftmailer/lib/classes/Swift/Transport/MailInvoker.php
new file mode 100755
index 0000000..dda882f
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/MailInvoker.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.
+ */
+
+/**
+ * This interface intercepts calls to the mail() function.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @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 $extraParams
+   * 
+   * @return boolean
+   */
+  public function mail($to, $subject, $body, $headers = null, $extraParams = null);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/MailTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/MailTransport.php
new file mode 100755
index 0000000..eca59e1
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/MailTransport.php
@@ -0,0 +1,242 @@
+<?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.
+ */
+
+//@require 'Swift/Transport.php';
+//@require 'Swift/Transport/MailInvoker.php';
+//@require 'Swift/Mime/Message.php';
+//@require 'Swift/Events/EventListener.php';
+
+/**
+ * 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.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_MailTransport implements Swift_Transport
+{
+
+  /** Addtional 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_Log $log
+   */
+  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 $params
+   */
+  public function setExtraParams($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 retreived 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 to collect 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');
+    
+    $to = $toHeader->getFieldBody();
+    $subject = $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);
+  }
+  
+  // -- Private methods
+  
+  /** 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/External/swiftmailer/lib/classes/Swift/Transport/SendmailTransport.php b/External/swiftmailer/lib/classes/Swift/Transport/SendmailTransport.php
new file mode 100755
index 0000000..aae8bde
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/SendmailTransport.php
@@ -0,0 +1,173 @@
+<?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.
+ */
+
+//@require 'Swift/Transport/EsmtpTransport.php';
+//@require 'Swift/Transport/IoBuffer.php';
+//@require 'Swift/Transport/Log.php';
+//@require 'Swift/Events/EventDispatcher.php';
+
+/**
+ * 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.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Transport_SendmailTransport
+  extends Swift_Transport_AbstractSmtpTransport
+{
+  
+  /**
+   * Connection buffer parameters.
+   * @var array
+   * @access protected
+   */
+  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 $command
+   */
+  public function setCommand($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 retreived 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 to collect 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' . $this->_getReversePath($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;
+  }
+  
+  // -- Protected methods
+  
+  /** Get the params to initialize the buffer */
+  protected function _getBufferParams()
+  {
+    return $this->_params;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/SimpleMailInvoker.php b/External/swiftmailer/lib/classes/Swift/Transport/SimpleMailInvoker.php
new file mode 100755
index 0000000..271ba84
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/SimpleMailInvoker.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ Invokes the mail() function in Swift Mailer.
+ 
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ */
+ 
+//@require 'Swift/Transport/MailInvoker.php';
+
+/**
+ * This is the implementation class for {@link Swift_Transport_MailInvoker}.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @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 $extraParams
+   * 
+   * @return boolean
+   */
+  public function mail($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/External/swiftmailer/lib/classes/Swift/Transport/SmtpAgent.php b/External/swiftmailer/lib/classes/Swift/Transport/SmtpAgent.php
new file mode 100755
index 0000000..ee9b8ed
--- /dev/null
+++ b/External/swiftmailer/lib/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.
+ * @package Swift
+ * @subpackage Transport
+ * @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
+   */
+  public function executeCommand($command, $codes = array(), &$failures = null);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php b/External/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php
new file mode 100755
index 0000000..01ae8a5
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Transport/StreamBuffer.php
@@ -0,0 +1,276 @@
+<?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.
+ */
+
+//@require 'Swift/ByteStream/AbstractFilterableInputStream.php';
+//@require 'Swift/ReplacementFilterFactory.php';
+//@require 'Swift/Transport/IoBuffer.php';
+//@require 'Swift/TransportException.php';
+
+/**
+ * A generic IoBuffer implementation supporting remote sockets and local processes.
+ * @package Swift
+ * @subpackage Transport
+ * @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 'protocol':
+          if (!array_key_exists('protocol', $this->_params)
+            || $value != $this->_params['protocol'])
+          {
+            if ('tls' == $value)
+            {
+              stream_socket_enable_crypto(
+                $this->_stream, true, STREAM_CRYPTO_METHOD_TLS_CLIENT
+                );
+            }
+          }
+          break;
+      }
+    }
+    $this->_params[$param] = $value;
+  }
+  
+  /**
+   * Perform any shutdown logic needed.
+   */
+  public function terminate()
+  {
+    if (isset($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 $sequence of last write to scan from
+   * @return string
+   */
+  public function readLine($sequence)
+  {
+    if (isset($this->_out) && !feof($this->_out))
+    {
+      $line = fgets($this->_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 $length
+   * @return string
+   */
+  public function read($length)
+  {
+    if (isset($this->_out) && !feof($this->_out))
+    {
+      $ret = fread($this->_out, $length);
+      return $ret;
+    }
+  }
+  
+  /** Not implemented */
+  public function setReadPointer($byteOffset)
+  {
+  }
+  
+  // -- Protected methods
+  
+  /** 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)
+      && fwrite($this->_in, $bytes))
+    {
+      return ++$this->_sequence;
+    }
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Establishes a connection to a remote server.
+   * @access private
+   */
+  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 = $this->_params['timeout'];
+    }
+    if (!$this->_stream = fsockopen($host, $this->_params['port'], $errno, $errstr, $timeout))
+    {
+      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);
+    }
+    $this->_in =& $this->_stream;
+    $this->_out =& $this->_stream;
+  }
+  
+  /**
+   * Opens a process for input/output.
+   * @access private
+   */
+  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];
+  }
+  
+}