Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 2502 insertions, 0 deletions

diff --git a/library/vendor/Zend/Mail/Protocol/Abstract.php b/library/vendor/Zend/Mail/Protocol/Abstract.php
new file mode 100644
index 0000000..57c5999
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Abstract.php
@@ -0,0 +1,436 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Validate
+ */
+
+
+/**
+ * @see Zend_Validate_Hostname
+ */
+
+
+/**
+ * Zend_Mail_Protocol_Abstract
+ *
+ * Provides low-level methods for concrete adapters to communicate with a remote mail server and track requests and responses.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @todo Implement proxy settings
+ */
+abstract class Zend_Mail_Protocol_Abstract
+{
+    /**
+     * Mail default EOL string
+     */
+    const EOL = "\r\n";
+
+
+    /**
+     * Default timeout in seconds for initiating session
+     */
+    const TIMEOUT_CONNECTION = 30;
+
+    /**
+     * Maximum of the transaction log
+     * @var integer
+     */
+    protected $_maximumLog = 64;
+
+
+    /**
+     * Hostname or IP address of remote server
+     * @var string
+     */
+    protected $_host;
+
+
+    /**
+     * Port number of connection
+     * @var integer
+     */
+    protected $_port;
+
+
+    /**
+     * Instance of Zend_Validate to check hostnames
+     * @var Zend_Validate
+     */
+    protected $_validHost;
+
+
+    /**
+     * Socket connection resource
+     * @var resource
+     */
+    protected $_socket;
+
+
+    /**
+     * Last request sent to server
+     * @var string
+     */
+    protected $_request;
+
+
+    /**
+     * Array of server responses to last request
+     * @var array
+     */
+    protected $_response;
+
+
+    /**
+     * String template for parsing server responses using sscanf (default: 3 digit code and response string)
+     * @var resource
+     * @deprecated Since 1.10.3
+     */
+    protected $_template = '%d%s';
+
+
+    /**
+     * Log of mail requests and server responses for a session
+     * @var array
+     */
+    private $_log = array();
+
+
+    /**
+     * Constructor.
+     *
+     * @param  string  $host OPTIONAL Hostname of remote connection (default: 127.0.0.1)
+     * @param  integer $port OPTIONAL Port number (default: null)
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function __construct($host = '127.0.0.1', $port = null)
+    {
+        $this->_validHost = new Zend_Validate();
+        $this->_validHost->addValidator(new Zend_Validate_Hostname(Zend_Validate_Hostname::ALLOW_ALL));
+
+        if (!$this->_validHost->isValid($host)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception(join(', ', $this->_validHost->getMessages()));
+        }
+
+        $this->_host = $host;
+        $this->_port = $port;
+    }
+
+
+    /**
+     * Class destructor to cleanup open resources
+     *
+     * @return void
+     */
+    public function __destruct()
+    {
+        $this->_disconnect();
+    }
+
+    /**
+     * Set the maximum log size
+     *
+     * @param integer $maximumLog Maximum log size
+     * @return void
+     */
+    public function setMaximumLog($maximumLog)
+    {
+        $this->_maximumLog = (int) $maximumLog;
+    }
+
+
+    /**
+     * Get the maximum log size
+     *
+     * @return int the maximum log size
+     */
+    public function getMaximumLog()
+    {
+        return $this->_maximumLog;
+    }
+
+
+    /**
+     * Create a connection to the remote host
+     *
+     * Concrete adapters for this class will implement their own unique connect scripts, using the _connect() method to create the socket resource.
+     */
+    abstract public function connect();
+
+
+    /**
+     * Retrieve the last client request
+     *
+     * @return string
+     */
+    public function getRequest()
+    {
+        return $this->_request;
+    }
+
+
+    /**
+     * Retrieve the last server response
+     *
+     * @return array
+     */
+    public function getResponse()
+    {
+        return $this->_response;
+    }
+
+
+    /**
+     * Retrieve the transaction log
+     *
+     * @return string
+     */
+    public function getLog()
+    {
+        return implode('', $this->_log);
+    }
+
+
+    /**
+     * Reset the transaction log
+     *
+     * @return void
+     */
+    public function resetLog()
+    {
+        $this->_log = array();
+    }
+
+    /**
+     * Add the transaction log
+     *
+     * @param  string new transaction
+     * @return void
+     */
+    protected function _addLog($value)
+    {
+        if ($this->_maximumLog >= 0 && count($this->_log) >= $this->_maximumLog) {
+            array_shift($this->_log);
+        }
+
+        $this->_log[] = $value;
+    }
+
+    /**
+     * Connect to the server using the supplied transport and target
+     *
+     * An example $remote string may be 'tcp://mail.example.com:25' or 'ssh://hostname.com:2222'
+     *
+     * @param  string $remote Remote
+     * @throws Zend_Mail_Protocol_Exception
+     * @return boolean
+     */
+    protected function _connect($remote)
+    {
+        $errorNum = 0;
+        $errorStr = '';
+
+        // open connection
+        $this->_socket = @stream_socket_client($remote, $errorNum, $errorStr, self::TIMEOUT_CONNECTION);
+
+        if ($this->_socket === false) {
+            if ($errorNum == 0) {
+                $errorStr = 'Could not open socket';
+            }
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception($errorStr);
+        }
+
+        if (($result = $this->_setStreamTimeout(self::TIMEOUT_CONNECTION)) === false) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('Could not set stream timeout');
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * Disconnect from remote host and free resource
+     *
+     * @return void
+     */
+    protected function _disconnect()
+    {
+        if (is_resource($this->_socket)) {
+            fclose($this->_socket);
+        }
+    }
+
+
+    /**
+     * Send the given request followed by a LINEEND to the server.
+     *
+     * @param  string $request
+     * @throws Zend_Mail_Protocol_Exception
+     * @return integer|boolean Number of bytes written to remote host
+     */
+    protected function _send($request)
+    {
+        if (!is_resource($this->_socket)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host);
+        }
+
+        $this->_request = $request;
+
+        $result = fwrite($this->_socket, $request . self::EOL);
+
+        // Save request to internal log
+        $this->_addLog($request . self::EOL);
+
+        if ($result === false) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('Could not send request to ' . $this->_host);
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * Get a line from the stream.
+     *
+     * @var    integer $timeout Per-request timeout value if applicable
+     * @throws Zend_Mail_Protocol_Exception
+     * @return string
+     */
+    protected function _receive($timeout = null)
+    {
+        if (!is_resource($this->_socket)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('No connection has been established to ' . $this->_host);
+        }
+
+        // Adapters may wish to supply per-commend timeouts according to appropriate RFC
+        if ($timeout !== null) {
+            $this->_setStreamTimeout($timeout);
+        }
+
+        // Retrieve response
+        $reponse = fgets($this->_socket, 1024);
+
+        // Save request to internal log
+        $this->_addLog($reponse);
+
+        // Check meta data to ensure connection is still valid
+        $info = stream_get_meta_data($this->_socket);
+
+        if (!empty($info['timed_out'])) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception($this->_host . ' has timed out');
+        }
+
+        if ($reponse === false) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('Could not read from ' . $this->_host);
+        }
+
+        return $reponse;
+    }
+
+
+    /**
+     * Parse server response for successful codes
+     *
+     * Read the response from the stream and check for expected return code.
+     * Throws a Zend_Mail_Protocol_Exception if an unexpected code is returned.
+     *
+     * @param  string|array $code One or more codes that indicate a successful response
+     * @throws Zend_Mail_Protocol_Exception
+     * @return string Last line of response string
+     */
+    protected function _expect($code, $timeout = null)
+    {
+        $this->_response = array();
+        $cmd  = '';
+        $more = '';
+        $msg  = '';
+        $errMsg = '';
+
+        if (!is_array($code)) {
+            $code = array($code);
+        }
+
+        do {
+            $this->_response[] = $result = $this->_receive($timeout);
+            list($cmd, $more, $msg) = preg_split('/([\s-]+)/', $result, 2, PREG_SPLIT_DELIM_CAPTURE);
+
+            if ($errMsg !== '') {
+                $errMsg .= ' ' . $msg;
+            } elseif ($cmd === null || !in_array($cmd, $code)) {
+                $errMsg =  $msg;
+            }
+
+        } while (strpos($more, '-') === 0); // The '-' message prefix indicates an information string instead of a response string.
+
+        if ($errMsg !== '') {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception($errMsg, $cmd);
+        }
+
+        return $msg;
+    }
+
+    /**
+     * Set stream timeout
+     *
+     * @param integer $timeout
+     * @return boolean
+     */
+    protected function _setStreamTimeout($timeout)
+    {
+       return stream_set_timeout($this->_socket, $timeout);
+    }
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Exception.php b/library/vendor/Zend/Mail/Protocol/Exception.php
new file mode 100644
index 0000000..c7f565d
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Exception.php
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Exception
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Exception extends Zend_Mail_Exception
+{}
+
diff --git a/library/vendor/Zend/Mail/Protocol/Imap.php b/library/vendor/Zend/Mail/Protocol/Imap.php
new file mode 100644
index 0000000..067e04f
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Imap.php
@@ -0,0 +1,830 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Imap
+{
+    /**
+     * Default timeout in seconds for initiating session
+     */
+    const TIMEOUT_CONNECTION = 30;
+
+    /**
+     * socket to imap server
+     * @var resource|null
+     */
+    protected $_socket;
+
+    /**
+     * counter for request tag
+     * @var int
+     */
+    protected $_tagCount = 0;
+
+    /**
+     * Public constructor
+     *
+     * @param  string   $host  hostname or IP address of IMAP server, if given connect() is called
+     * @param  int|null $port  port of IMAP server, null for default (143 or 993 for ssl)
+     * @param  bool     $ssl   use ssl? 'SSL', 'TLS' or false
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    function __construct($host = '', $port = null, $ssl = false)
+    {
+        if ($host) {
+            $this->connect($host, $port, $ssl);
+        }
+    }
+
+    /**
+     * Public destructor
+     */
+    public function __destruct()
+    {
+        $this->logout();
+    }
+
+    /**
+     * Open connection to IMAP server
+     *
+     * @param  string      $host  hostname or IP address of IMAP server
+     * @param  int|null    $port  of IMAP server, default is 143 (993 for ssl)
+     * @param  string|bool $ssl   use 'SSL', 'TLS' or false
+     * @return string welcome message
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function connect($host, $port = null, $ssl = false)
+    {
+        if ($ssl == 'SSL') {
+            $host = 'ssl://' . $host;
+        }
+
+        if ($port === null) {
+            $port = $ssl === 'SSL' ? 993 : 143;
+        }
+
+        $errno  =  0;
+        $errstr = '';
+        $this->_socket = @fsockopen($host, $port, $errno, $errstr, self::TIMEOUT_CONNECTION);
+        if (!$this->_socket) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('cannot connect to host; error = ' . $errstr .
+                                                   ' (errno = ' . $errno . ' )');
+        }
+
+        if (!$this->_assumedNextLine('* OK')) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('host doesn\'t allow connection');
+        }
+
+        if ($ssl === 'TLS') {
+            $result = $this->requestAndResponse('STARTTLS');
+            $result = $result && stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
+            if (!$result) {
+                /**
+                 * @see Zend_Mail_Protocol_Exception
+                 */
+                throw new Zend_Mail_Protocol_Exception('cannot enable TLS');
+            }
+        }
+    }
+
+    /**
+     * get the next line from socket with error checking, but nothing else
+     *
+     * @return string next line
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    protected function _nextLine()
+    {
+        $line = @fgets($this->_socket);
+        if ($line === false) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('cannot read - connection closed?');
+        }
+
+        return $line;
+    }
+
+    /**
+     * get next line and assume it starts with $start. some requests give a simple
+     * feedback so we can quickly check if we can go on.
+     *
+     * @param  string $start the first bytes we assume to be in the next line
+     * @return bool line starts with $start
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    protected function _assumedNextLine($start)
+    {
+        $line = $this->_nextLine();
+        return strpos($line, $start) === 0;
+    }
+
+    /**
+     * get next line and split the tag. that's the normal case for a response line
+     *
+     * @param  string $tag tag of line is returned by reference
+     * @return string next line
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    protected function _nextTaggedLine(&$tag)
+    {
+        $line = $this->_nextLine();
+
+        // seperate tag from line
+        list($tag, $line) = explode(' ', $line, 2);
+
+        return $line;
+    }
+
+    /**
+     * split a given line in tokens. a token is literal of any form or a list
+     *
+     * @param  string $line line to decode
+     * @return array tokens, literals are returned as string, lists as array
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    protected function _decodeLine($line)
+    {
+        $tokens = array();
+        $stack = array();
+
+        /*
+            We start to decode the response here. The unterstood tokens are:
+                literal
+                "literal" or also "lit\\er\"al"
+                {bytes}<NL>literal
+                (literals*)
+            All tokens are returned in an array. Literals in braces (the last unterstood
+            token in the list) are returned as an array of tokens. I.e. the following response:
+                "foo" baz {3}<NL>bar ("f\\\"oo" bar)
+            would be returned as:
+                array('foo', 'baz', 'bar', array('f\\\"oo', 'bar'));
+
+            // TODO: add handling of '[' and ']' to parser for easier handling of response text
+        */
+        //  replace any trailling <NL> including spaces with a single space
+        $line = rtrim($line) . ' ';
+        while (($pos = strpos($line, ' ')) !== false) {
+            $token = substr($line, 0, $pos);
+            while ($token[0] == '(') {
+                array_push($stack, $tokens);
+                $tokens = array();
+                $token = substr($token, 1);
+            }
+            if ($token[0] == '"') {
+                if (preg_match('%^\(*"((.|\\\\|\\")*?)" *%', $line, $matches)) {
+                    $tokens[] = $matches[1];
+                    $line = substr($line, strlen($matches[0]));
+                    continue;
+                }
+            }
+            if ($token[0] == '{') {
+                $endPos = strpos($token, '}');
+                $chars = substr($token, 1, $endPos - 1);
+                if (is_numeric($chars)) {
+                    $token = '';
+                    while (strlen($token) < $chars) {
+                        $token .= $this->_nextLine();
+                    }
+                    $line = '';
+                    if (strlen($token) > $chars) {
+                        $line = substr($token, $chars);
+                        $token = substr($token, 0, $chars);
+                    } else {
+                        $line .= $this->_nextLine();
+                    }
+                    $tokens[] = $token;
+                    $line = trim($line) . ' ';
+                    continue;
+                }
+            }
+            if ($stack && $token[strlen($token) - 1] == ')') {
+                // closing braces are not seperated by spaces, so we need to count them
+                $braces = strlen($token);
+                $token = rtrim($token, ')');
+                // only count braces if more than one
+                $braces -= strlen($token) + 1;
+                // only add if token had more than just closing braces
+                if (rtrim($token) != '') {
+                    $tokens[] = rtrim($token);
+                }
+                $token = $tokens;
+                $tokens = array_pop($stack);
+                // special handline if more than one closing brace
+                while ($braces-- > 0) {
+                    $tokens[] = $token;
+                    $token = $tokens;
+                    $tokens = array_pop($stack);
+                }
+            }
+            $tokens[] = $token;
+            $line = substr($line, $pos + 1);
+        }
+
+        // maybe the server forgot to send some closing braces
+        while ($stack) {
+            $child = $tokens;
+            $tokens = array_pop($stack);
+            $tokens[] = $child;
+        }
+
+        return $tokens;
+    }
+
+    /**
+     * read a response "line" (could also be more than one real line if response has {..}<NL>)
+     * and do a simple decode
+     *
+     * @param  array|string  $tokens    decoded tokens are returned by reference, if $dontParse
+     *                                  is true the unparsed line is returned here
+     * @param  string        $wantedTag check for this tag for response code. Default '*' is
+     *                                  continuation tag.
+     * @param  bool          $dontParse if true only the unparsed line is returned $tokens
+     * @return bool if returned tag matches wanted tag
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function readLine(&$tokens = array(), $wantedTag = '*', $dontParse = false)
+    {
+        $line = $this->_nextTaggedLine($tag);
+        if (!$dontParse) {
+            $tokens = $this->_decodeLine($line);
+        } else {
+            $tokens = $line;
+        }
+
+        // if tag is wanted tag we might be at the end of a multiline response
+        return $tag == $wantedTag;
+    }
+
+    /**
+     * read all lines of response until given tag is found (last line of response)
+     *
+     * @param  string       $tag       the tag of your request
+     * @param  string|array $filter    you can filter the response so you get only the
+     *                                 given response lines
+     * @param  bool         $dontParse if true every line is returned unparsed instead of
+     *                                 the decoded tokens
+     * @return null|bool|array tokens if success, false if error, null if bad request
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function readResponse($tag, $dontParse = false)
+    {
+        $lines = array();
+        while (!$this->readLine($tokens, $tag, $dontParse)) {
+            $lines[] = $tokens;
+        }
+
+        if ($dontParse) {
+            // last to chars are still needed for response code
+            $tokens = array(substr($tokens, 0, 2));
+        }
+        // last line has response code
+        if ($tokens[0] == 'OK') {
+            return $lines ? $lines : true;
+        } else if ($tokens[0] == 'NO'){
+            return false;
+        }
+        return null;
+    }
+
+    /**
+     * send a request
+     *
+     * @param  string $command your request command
+     * @param  array  $tokens  additional parameters to command, use escapeString() to prepare
+     * @param  string $tag     provide a tag otherwise an autogenerated is returned
+     * @return null
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function sendRequest($command, $tokens = array(), &$tag = null)
+    {
+        if (!$tag) {
+            ++$this->_tagCount;
+            $tag = 'TAG' . $this->_tagCount;
+        }
+
+        $line = $tag . ' ' . $command;
+
+        foreach ($tokens as $token) {
+            if (is_array($token)) {
+                if (@fputs($this->_socket, $line . ' ' . $token[0] . "\r\n") === false) {
+                    /**
+                     * @see Zend_Mail_Protocol_Exception
+                     */
+                    throw new Zend_Mail_Protocol_Exception('cannot write - connection closed?');
+                }
+                if (!$this->_assumedNextLine('+ ')) {
+                    /**
+                     * @see Zend_Mail_Protocol_Exception
+                     */
+                    throw new Zend_Mail_Protocol_Exception('cannot send literal string');
+                }
+                $line = $token[1];
+            } else {
+                $line .= ' ' . $token;
+            }
+        }
+
+        if (@fputs($this->_socket, $line . "\r\n") === false) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('cannot write - connection closed?');
+        }
+    }
+
+    /**
+     * send a request and get response at once
+     *
+     * @param  string $command   command as in sendRequest()
+     * @param  array  $tokens    parameters as in sendRequest()
+     * @param  bool   $dontParse if true unparsed lines are returned instead of tokens
+     * @return mixed response as in readResponse()
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function requestAndResponse($command, $tokens = array(), $dontParse = false)
+    {
+        $this->sendRequest($command, $tokens, $tag);
+        $response = $this->readResponse($tag, $dontParse);
+
+        return $response;
+    }
+
+    /**
+     * escape one or more literals i.e. for sendRequest
+     *
+     * @param  string|array $string the literal/-s
+     * @return string|array escape literals, literals with newline ar returned
+     *                      as array('{size}', 'string');
+     */
+    public function escapeString($string)
+    {
+        if (func_num_args() < 2) {
+            if (strpos($string, "\n") !== false) {
+                return array('{' . strlen($string) . '}', $string);
+            } else {
+                return '"' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $string) . '"';
+            }
+        }
+        $result = array();
+        foreach (func_get_args() as $string) {
+            $result[] = $this->escapeString($string);
+        }
+        return $result;
+    }
+
+    /**
+     * escape a list with literals or lists
+     *
+     * @param  array $list list with literals or lists as PHP array
+     * @return string escaped list for imap
+     */
+    public function escapeList($list)
+    {
+        $result = array();
+        foreach ($list as $k => $v) {
+            if (!is_array($v)) {
+//              $result[] = $this->escapeString($v);
+                $result[] = $v;
+                continue;
+            }
+            $result[] = $this->escapeList($v);
+        }
+        return '(' . implode(' ', $result) . ')';
+    }
+
+    /**
+     * Login to IMAP server.
+     *
+     * @param  string $user      username
+     * @param  string $password  password
+     * @return bool success
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function login($user, $password)
+    {
+        return $this->requestAndResponse('LOGIN', $this->escapeString($user, $password), true);
+    }
+
+    /**
+     * logout of imap server
+     *
+     * @return bool success
+     */
+    public function logout()
+    {
+        $result = false;
+        if ($this->_socket) {
+            try {
+                $result = $this->requestAndResponse('LOGOUT', array(), true);
+            } catch (Zend_Mail_Protocol_Exception $e) {
+                // ignoring exception
+            }
+            fclose($this->_socket);
+            $this->_socket = null;
+        }
+        return $result;
+    }
+
+
+    /**
+     * Get capabilities from IMAP server
+     *
+     * @return array list of capabilities
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function capability()
+    {
+        $response = $this->requestAndResponse('CAPABILITY');
+
+        if (!$response) {
+            return $response;
+        }
+
+        $capabilities = array();
+        foreach ($response as $line) {
+            $capabilities = array_merge($capabilities, $line);
+        }
+        return $capabilities;
+    }
+
+    /**
+     * Examine and select have the same response. The common code for both
+     * is in this method
+     *
+     * @param  string $command can be 'EXAMINE' or 'SELECT' and this is used as command
+     * @param  string $box which folder to change to or examine
+     * @return bool|array false if error, array with returned information
+     *                    otherwise (flags, exists, recent, uidvalidity)
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function examineOrSelect($command = 'EXAMINE', $box = 'INBOX')
+    {
+        $this->sendRequest($command, array($this->escapeString($box)), $tag);
+
+        $result = array();
+        while (!$this->readLine($tokens, $tag)) {
+            if ($tokens[0] == 'FLAGS') {
+                array_shift($tokens);
+                $result['flags'] = $tokens;
+                continue;
+            }
+            switch ($tokens[1]) {
+                case 'EXISTS':
+                case 'RECENT':
+                    $result[strtolower($tokens[1])] = $tokens[0];
+                    break;
+                case '[UIDVALIDITY':
+                    $result['uidvalidity'] = (int)$tokens[2];
+                    break;
+                default:
+                    // ignore
+            }
+        }
+
+        if ($tokens[0] != 'OK') {
+            return false;
+        }
+        return $result;
+    }
+
+    /**
+     * change folder
+     *
+     * @param  string $box change to this folder
+     * @return bool|array see examineOrselect()
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function select($box = 'INBOX')
+    {
+        return $this->examineOrSelect('SELECT', $box);
+    }
+
+    /**
+     * examine folder
+     *
+     * @param  string $box examine this folder
+     * @return bool|array see examineOrselect()
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function examine($box = 'INBOX')
+    {
+        return $this->examineOrSelect('EXAMINE', $box);
+    }
+
+    /**
+     * fetch one or more items of one or more messages
+     *
+     * @param  string|array $items items to fetch from message(s) as string (if only one item)
+     *                             or array of strings
+     * @param  int          $from  message for items or start message if $to !== null
+     * @param  int|null     $to    if null only one message ($from) is fetched, else it's the
+     *                             last message, INF means last message avaible
+     * @return string|array if only one item of one message is fetched it's returned as string
+     *                      if items of one message are fetched it's returned as (name => value)
+     *                      if one items of messages are fetched it's returned as (msgno => value)
+     *                      if items of messages are fetchted it's returned as (msgno => (name => value))
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function fetch($items, $from, $to = null)
+    {
+        if (is_array($from)) {
+            $set = implode(',', $from);
+        } else if ($to === null) {
+            $set = (int)$from;
+        } else if ($to === INF) {
+            $set = (int)$from . ':*';
+        } else {
+            $set = (int)$from . ':' . (int)$to;
+        }
+
+        $items = (array)$items;
+        $itemList = $this->escapeList($items);
+
+        $this->sendRequest('FETCH', array($set, $itemList), $tag);
+
+        $result = array();
+        while (!$this->readLine($tokens, $tag)) {
+            // ignore other responses
+            if ($tokens[1] != 'FETCH') {
+                continue;
+            }
+            // ignore other messages
+            if ($to === null && !is_array($from) && $tokens[0] != $from) {
+                continue;
+            }
+            // if we only want one item we return that one directly
+            if (count($items) == 1) {
+                if ($tokens[2][0] == $items[0]) {
+                    $data = $tokens[2][1];
+                } else {
+                    // maybe the server send an other field we didn't wanted
+                    $count = count($tokens[2]);
+                    // we start with 2, because 0 was already checked
+                    for ($i = 2; $i < $count; $i += 2) {
+                        if ($tokens[2][$i] != $items[0]) {
+                            continue;
+                        }
+                        $data = $tokens[2][$i + 1];
+                        break;
+                    }
+                }
+            } else {
+                $data = array();
+                while (key($tokens[2]) !== null) {
+                    $data[current($tokens[2])] = next($tokens[2]);
+                    next($tokens[2]);
+                }
+            }
+            // if we want only one message we can ignore everything else and just return
+            if ($to === null && !is_array($from) && $tokens[0] == $from) {
+                // we still need to read all lines
+                while (!$this->readLine($tokens, $tag));
+                return $data;
+            }
+            $result[$tokens[0]] = $data;
+        }
+
+        if ($to === null && !is_array($from)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('the single id was not found in response');
+        }
+
+        return $result;
+    }
+
+    /**
+     * get mailbox list
+     *
+     * this method can't be named after the IMAP command 'LIST', as list is a reserved keyword
+     *
+     * @param  string $reference mailbox reference for list
+     * @param  string $mailbox   mailbox name match with wildcards
+     * @return array mailboxes that matched $mailbox as array(globalName => array('delim' => .., 'flags' => ..))
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function listMailbox($reference = '', $mailbox = '*')
+    {
+        $result = array();
+        $list = $this->requestAndResponse('LIST', $this->escapeString($reference, $mailbox));
+        if (!$list || $list === true) {
+            return $result;
+        }
+
+        foreach ($list as $item) {
+            if (count($item) != 4 || $item[0] != 'LIST') {
+                continue;
+            }
+            $result[$item[3]] = array('delim' => $item[2], 'flags' => $item[1]);
+        }
+
+        return $result;
+    }
+
+    /**
+     * set flags
+     *
+     * @param  array       $flags  flags to set, add or remove - see $mode
+     * @param  int         $from   message for items or start message if $to !== null
+     * @param  int|null    $to     if null only one message ($from) is fetched, else it's the
+     *                             last message, INF means last message avaible
+     * @param  string|null $mode   '+' to add flags, '-' to remove flags, everything else sets the flags as given
+     * @param  bool        $silent if false the return values are the new flags for the wanted messages
+     * @return bool|array new flags if $silent is false, else true or false depending on success
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function store(array $flags, $from, $to = null, $mode = null, $silent = true)
+    {
+        $item = 'FLAGS';
+        if ($mode == '+' || $mode == '-') {
+            $item = $mode . $item;
+        }
+        if ($silent) {
+            $item .= '.SILENT';
+        }
+
+        $flags = $this->escapeList($flags);
+        $set = (int)$from;
+        if ($to != null) {
+            $set .= ':' . ($to == INF ? '*' : (int)$to);
+        }
+
+        $result = $this->requestAndResponse('STORE', array($set, $item, $flags), $silent);
+
+        if ($silent) {
+            return $result ? true : false;
+        }
+
+        $tokens = $result;
+        $result = array();
+        foreach ($tokens as $token) {
+            if ($token[1] != 'FETCH' || $token[2][0] != 'FLAGS') {
+                continue;
+            }
+            $result[$token[0]] = $token[2][1];
+        }
+
+        return $result;
+    }
+
+    /**
+     * append a new message to given folder
+     *
+     * @param string $folder  name of target folder
+     * @param string $message full message content
+     * @param array  $flags   flags for new message
+     * @param string $date    date for new message
+     * @return bool success
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function append($folder, $message, $flags = null, $date = null)
+    {
+        $tokens = array();
+        $tokens[] = $this->escapeString($folder);
+        if ($flags !== null) {
+            $tokens[] = $this->escapeList($flags);
+        }
+        if ($date !== null) {
+            $tokens[] = $this->escapeString($date);
+        }
+        $tokens[] = $this->escapeString($message);
+
+        return $this->requestAndResponse('APPEND', $tokens, true);
+    }
+
+    /**
+     * copy message set from current folder to other folder
+     *
+     * @param string   $folder destination folder
+     * @param int|null $to     if null only one message ($from) is fetched, else it's the
+     *                         last message, INF means last message avaible
+     * @return bool success
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function copy($folder, $from, $to = null)
+    {
+        $set = (int)$from;
+        if ($to != null) {
+            $set .= ':' . ($to == INF ? '*' : (int)$to);
+        }
+
+        return $this->requestAndResponse('COPY', array($set, $this->escapeString($folder)), true);
+    }
+
+    /**
+     * create a new folder (and parent folders if needed)
+     *
+     * @param string $folder folder name
+     * @return bool success
+     */
+    public function create($folder)
+    {
+        return $this->requestAndResponse('CREATE', array($this->escapeString($folder)), true);
+    }
+
+    /**
+     * rename an existing folder
+     *
+     * @param string $old old name
+     * @param string $new new name
+     * @return bool success
+     */
+    public function rename($old, $new)
+    {
+        return $this->requestAndResponse('RENAME', $this->escapeString($old, $new), true);
+    }
+
+    /**
+     * remove a folder
+     *
+     * @param string $folder folder name
+     * @return bool success
+     */
+    public function delete($folder)
+    {
+        return $this->requestAndResponse('DELETE', array($this->escapeString($folder)), true);
+    }
+
+    /**
+     * permanently remove messages
+     *
+     * @return bool success
+     */
+    public function expunge()
+    {
+        // TODO: parse response?
+        return $this->requestAndResponse('EXPUNGE');
+    }
+
+    /**
+     * send noop
+     *
+     * @return bool success
+     */
+    public function noop()
+    {
+        // TODO: parse response
+        return $this->requestAndResponse('NOOP');
+    }
+
+    /**
+     * do a search request
+     *
+     * This method is currently marked as internal as the API might change and is not
+     * safe if you don't take precautions.
+     *
+     * @internal
+     * @return array message ids
+     */
+    public function search(array $params)
+    {
+        $response = $this->requestAndResponse('SEARCH', $params);
+        if (!$response) {
+            return $response;
+        }
+
+        foreach ($response as $ids) {
+            if ($ids[0] == 'SEARCH') {
+                array_shift($ids);
+                return $ids;
+            }
+        }
+        return array();
+    }
+
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Pop3.php b/library/vendor/Zend/Mail/Protocol/Pop3.php
new file mode 100644
index 0000000..d6c6e26
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Pop3.php
@@ -0,0 +1,466 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Pop3
+{
+    /**
+     * Default timeout in seconds for initiating session
+     */
+    const TIMEOUT_CONNECTION = 30;
+
+    /**
+     * saves if server supports top
+     * @var null|bool
+     */
+    public $hasTop = null;
+
+    /**
+     * socket to pop3
+     * @var null|resource
+     */
+    protected $_socket;
+
+    /**
+     * greeting timestamp for apop
+     * @var null|string
+     */
+    protected $_timestamp;
+
+
+    /**
+     * Public constructor
+     *
+     * @param  string      $host  hostname or IP address of POP3 server, if given connect() is called
+     * @param  int|null    $port  port of POP3 server, null for default (110 or 995 for ssl)
+     * @param  bool|string $ssl   use ssl? 'SSL', 'TLS' or false
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function __construct($host = '', $port = null, $ssl = false)
+    {
+        if ($host) {
+            $this->connect($host, $port, $ssl);
+        }
+    }
+
+
+    /**
+     * Public destructor
+     */
+    public function __destruct()
+    {
+        $this->logout();
+    }
+
+
+    /**
+     * Open connection to POP3 server
+     *
+     * @param  string      $host  hostname or IP address of POP3 server
+     * @param  int|null    $port  of POP3 server, default is 110 (995 for ssl)
+     * @param  string|bool $ssl   use 'SSL', 'TLS' or false
+     * @return string welcome message
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function connect($host, $port = null, $ssl = false)
+    {
+        if ($ssl == 'SSL') {
+            $host = 'ssl://' . $host;
+        }
+
+        if ($port === null) {
+            $port = $ssl == 'SSL' ? 995 : 110;
+        }
+
+        $errno  =  0;
+        $errstr = '';
+        $this->_socket = @fsockopen($host, $port, $errno, $errstr, self::TIMEOUT_CONNECTION);
+        if (!$this->_socket) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('cannot connect to host; error = ' . $errstr .
+                                                   ' (errno = ' . $errno . ' )');
+        }
+
+        $welcome = $this->readResponse();
+
+        strtok($welcome, '<');
+        $this->_timestamp = strtok('>');
+        if (!strpos($this->_timestamp, '@')) {
+            $this->_timestamp = null;
+        } else {
+            $this->_timestamp = '<' . $this->_timestamp . '>';
+        }
+
+        if ($ssl === 'TLS') {
+            $this->request('STLS');
+            $result = stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
+            if (!$result) {
+                /**
+                 * @see Zend_Mail_Protocol_Exception
+                 */
+                throw new Zend_Mail_Protocol_Exception('cannot enable TLS');
+            }
+        }
+
+        return $welcome;
+    }
+
+
+    /**
+     * Send a request
+     *
+     * @param string $request your request without newline
+     * @return null
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function sendRequest($request)
+    {
+        $result = @fputs($this->_socket, $request . "\r\n");
+        if (!$result) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('send failed - connection closed?');
+        }
+    }
+
+
+    /**
+     * read a response
+     *
+     * @param  boolean $multiline response has multiple lines and should be read until "<nl>.<nl>"
+     * @return string response
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function readResponse($multiline = false)
+    {
+        $result = @fgets($this->_socket);
+        if (!is_string($result)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('read failed - connection closed?');
+        }
+
+        $result = trim($result);
+        if (strpos($result, ' ')) {
+            list($status, $message) = explode(' ', $result, 2);
+        } else {
+            $status = $result;
+            $message = '';
+        }
+
+        if ($status != '+OK') {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('last request failed');
+        }
+
+        if ($multiline) {
+            $message = '';
+            $line = fgets($this->_socket);
+            while ($line && rtrim($line, "\r\n") != '.') {
+                if ($line[0] == '.') {
+                    $line = substr($line, 1);
+                }
+                $message .= $line;
+                $line = fgets($this->_socket);
+            };
+        }
+
+        return $message;
+    }
+
+
+    /**
+     * Send request and get resposne
+     *
+     * @see sendRequest(), readResponse()
+     *
+     * @param  string $request    request
+     * @param  bool   $multiline  multiline response?
+     * @return string             result from readResponse()
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function request($request, $multiline = false)
+    {
+        $this->sendRequest($request);
+        return $this->readResponse($multiline);
+    }
+
+
+    /**
+     * End communication with POP3 server (also closes socket)
+     *
+     * @return null
+     */
+    public function logout()
+    {
+        if (!$this->_socket) {
+            return;
+        }
+
+        try {
+            $this->request('QUIT');
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            // ignore error - we're closing the socket anyway
+        }
+
+        fclose($this->_socket);
+        $this->_socket = null;
+    }
+
+
+    /**
+     * Get capabilities from POP3 server
+     *
+     * @return array list of capabilities
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function capa()
+    {
+        $result = $this->request('CAPA', true);
+        return explode("\n", $result);
+    }
+
+
+    /**
+     * Login to POP3 server. Can use APOP
+     *
+     * @param  string $user      username
+     * @param  string $password  password
+     * @param  bool   $try_apop  should APOP be tried?
+     * @return void
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function login($user, $password, $tryApop = true)
+    {
+        if ($tryApop && $this->_timestamp) {
+            try {
+                $this->request("APOP $user " . md5($this->_timestamp . $password));
+                return;
+            } catch (Zend_Mail_Protocol_Exception $e) {
+                // ignore
+            }
+        }
+
+        $result = $this->request("USER $user");
+        $result = $this->request("PASS $password");
+    }
+
+
+    /**
+     * Make STAT call for message count and size sum
+     *
+     * @param  int $messages  out parameter with count of messages
+     * @param  int $octets    out parameter with size in octects of messages
+     * @return void
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function status(&$messages, &$octets)
+    {
+        $messages = 0;
+        $octets = 0;
+        $result = $this->request('STAT');
+
+        list($messages, $octets) = explode(' ', $result);
+    }
+
+
+    /**
+     * Make LIST call for size of message(s)
+     *
+     * @param  int|null $msgno number of message, null for all
+     * @return int|array size of given message or list with array(num => size)
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function getList($msgno = null)
+    {
+        if ($msgno !== null) {
+            $result = $this->request("LIST $msgno");
+
+            list(, $result) = explode(' ', $result);
+            return (int)$result;
+        }
+
+        $result = $this->request('LIST', true);
+        $messages = array();
+        $line = strtok($result, "\n");
+        while ($line) {
+            list($no, $size) = explode(' ', trim($line));
+            $messages[(int)$no] = (int)$size;
+            $line = strtok("\n");
+        }
+
+        return $messages;
+    }
+
+
+    /**
+     * Make UIDL call for getting a uniqueid
+     *
+     * @param  int|null $msgno number of message, null for all
+     * @return string|array uniqueid of message or list with array(num => uniqueid)
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function uniqueid($msgno = null)
+    {
+        if ($msgno !== null) {
+            $result = $this->request("UIDL $msgno");
+
+            list(, $result) = explode(' ', $result);
+            return $result;
+        }
+
+        $result = $this->request('UIDL', true);
+
+        $result = explode("\n", $result);
+        $messages = array();
+        foreach ($result as $line) {
+            if (!$line) {
+                continue;
+            }
+            list($no, $id) = explode(' ', trim($line), 2);
+            $messages[(int)$no] = $id;
+        }
+
+        return $messages;
+
+    }
+
+
+    /**
+     * Make TOP call for getting headers and maybe some body lines
+     * This method also sets hasTop - before it it's not known if top is supported
+     *
+     * The fallback makes normale RETR call, which retrieves the whole message. Additional
+     * lines are not removed.
+     *
+     * @param  int  $msgno    number of message
+     * @param  int  $lines    number of wanted body lines (empty line is inserted after header lines)
+     * @param  bool $fallback fallback with full retrieve if top is not supported
+     * @return string message headers with wanted body lines
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function top($msgno, $lines = 0, $fallback = false)
+    {
+        if ($this->hasTop === false) {
+            if ($fallback) {
+                return $this->retrieve($msgno);
+            } else {
+                /**
+                 * @see Zend_Mail_Protocol_Exception
+                 */
+                throw new Zend_Mail_Protocol_Exception('top not supported and no fallback wanted');
+            }
+        }
+        $this->hasTop = true;
+
+        $lines = (!$lines || $lines < 1) ? 0 : (int)$lines;
+
+        try {
+            $result = $this->request("TOP $msgno $lines", true);
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            $this->hasTop = false;
+            if ($fallback) {
+                $result = $this->retrieve($msgno);
+            } else {
+                throw $e;
+            }
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * Make a RETR call for retrieving a full message with headers and body
+     *
+     * @deprecated since 1.1.0; this method has a typo - please use retrieve()
+     * @param  int $msgno  message number
+     * @return string message
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function retrive($msgno)
+    {
+        return $this->retrieve($msgno);
+    }
+
+
+    /**
+     * Make a RETR call for retrieving a full message with headers and body
+     *
+     * @param  int $msgno  message number
+     * @return string message
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function retrieve($msgno)
+    {
+        $result = $this->request("RETR $msgno", true);
+        return $result;
+    }
+
+    /**
+     * Make a NOOP call, maybe needed for keeping the server happy
+     *
+     * @return null
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function noop()
+    {
+        $this->request('NOOP');
+    }
+
+
+    /**
+     * Make a DELE count to remove a message
+     *
+     * @return null
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function delete($msgno)
+    {
+        $this->request("DELE $msgno");
+    }
+
+
+    /**
+     * Make RSET call, which rollbacks delete requests
+     *
+     * @return null
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function undelete()
+    {
+        $this->request('RSET');
+    }
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Smtp.php b/library/vendor/Zend/Mail/Protocol/Smtp.php
new file mode 100644
index 0000000..403ae82
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Smtp.php
@@ -0,0 +1,433 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Mime
+ */
+
+
+/**
+ * @see Zend_Mail_Protocol_Abstract
+ */
+
+
+/**
+ * Smtp implementation of Zend_Mail_Protocol_Abstract
+ *
+ * Minimum implementation according to RFC2821: EHLO, MAIL FROM, RCPT TO, DATA, RSET, NOOP, QUIT
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Smtp extends Zend_Mail_Protocol_Abstract
+{
+    /**
+     * The transport method for the socket
+     *
+     * @var string
+     */
+    protected $_transport = 'tcp';
+
+
+    /**
+     * Indicates that a session is requested to be secure
+     *
+     * @var string
+     */
+    protected $_secure;
+
+
+    /**
+     * Indicates an smtp session has been started by the HELO command
+     *
+     * @var boolean
+     */
+    protected $_sess = false;
+
+
+    /**
+     * Indicates the HELO command has been issues
+     *
+     * @var unknown_type
+     */
+    protected $_helo = false;
+
+
+    /**
+     * Indicates an smtp AUTH has been issued and authenticated
+     *
+     * @var unknown_type
+     */
+    protected $_auth = false;
+
+
+    /**
+     * Indicates a MAIL command has been issued
+     *
+     * @var unknown_type
+     */
+    protected $_mail = false;
+
+
+    /**
+     * Indicates one or more RCTP commands have been issued
+     *
+     * @var unknown_type
+     */
+    protected $_rcpt = false;
+
+
+    /**
+     * Indicates that DATA has been issued and sent
+     *
+     * @var unknown_type
+     */
+    protected $_data = null;
+
+
+    /**
+     * Constructor.
+     *
+     * @param  string  $host
+     * @param  integer $port
+     * @param  array   $config
+     * @return void
+     * @throws Zend_Mail_Protocol_Exception
+     */
+    public function __construct($host = '127.0.0.1', $port = null, array $config = array())
+    {
+        if (isset($config['ssl'])) {
+            switch (strtolower($config['ssl'])) {
+                case 'tls':
+                    $this->_secure = 'tls';
+                    break;
+
+                case 'ssl':
+                    $this->_transport = 'ssl';
+                    $this->_secure = 'ssl';
+                    if ($port == null) {
+                        $port = 465;
+                    }
+                    break;
+
+                default:
+                    /**
+                     * @see Zend_Mail_Protocol_Exception
+                     */
+                    throw new Zend_Mail_Protocol_Exception($config['ssl'] . ' is unsupported SSL type');
+                    break;
+            }
+        }
+
+        // If no port has been specified then check the master PHP ini file. Defaults to 25 if the ini setting is null.
+        if ($port == null) {
+            if (($port = ini_get('smtp_port')) == '') {
+                $port = 25;
+            }
+        }
+
+        parent::__construct($host, $port);
+    }
+
+
+    /**
+     * Connect to the server with the parameters given in the constructor.
+     *
+     * @return boolean
+     */
+    public function connect()
+    {
+        return $this->_connect($this->_transport . '://' . $this->_host . ':'. $this->_port);
+    }
+
+
+    /**
+     * Initiate HELO/EHLO sequence and set flag to indicate valid smtp session
+     *
+     * @param  string $host The client hostname or IP address (default: 127.0.0.1)
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function helo($host = '127.0.0.1')
+    {
+        // Respect RFC 2821 and disallow HELO attempts if session is already initiated.
+        if ($this->_sess === true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('Cannot issue HELO to existing session');
+        }
+
+        // Validate client hostname
+        if (!$this->_validHost->isValid($host)) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception(join(', ', $this->_validHost->getMessages()));
+        }
+
+        // Initiate helo sequence
+        $this->_expect(220, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        $this->_ehlo($host);
+
+        // If a TLS session is required, commence negotiation
+        if ($this->_secure == 'tls') {
+            $this->_send('STARTTLS');
+            $this->_expect(220, 180);
+            if (!stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
+                /**
+                 * @see Zend_Mail_Protocol_Exception
+                 */
+                throw new Zend_Mail_Protocol_Exception('Unable to connect via TLS');
+            }
+            $this->_ehlo($host);
+        }
+
+        $this->_startSession();
+        $this->auth();
+    }
+
+
+    /**
+     * Send EHLO or HELO depending on capabilities of smtp host
+     *
+     * @param  string $host The client hostname or IP address (default: 127.0.0.1)
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    protected function _ehlo($host)
+    {
+        // Support for older, less-compliant remote servers. Tries multiple attempts of EHLO or HELO.
+        try {
+            $this->_send('EHLO ' . $host);
+            $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            $this->_send('HELO ' . $host);
+            $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        } catch (Zend_Mail_Protocol_Exception $e) {
+            throw $e;
+        }
+    }
+
+
+    /**
+     * Issues MAIL command
+     *
+     * @param  string $from Sender mailbox
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function mail($from)
+    {
+        if ($this->_sess !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('A valid session has not been started');
+        }
+
+        $this->_send('MAIL FROM:<' . $from . '>');
+        $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+
+        // Set mail to true, clear recipients and any existing data flags as per 4.1.1.2 of RFC 2821
+        $this->_mail = true;
+        $this->_rcpt = false;
+        $this->_data = false;
+    }
+
+
+    /**
+     * Issues RCPT command
+     *
+     * @param  string $to Receiver(s) mailbox
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function rcpt($to)
+    {
+        if ($this->_mail !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('No sender reverse path has been supplied');
+        }
+
+        // Set rcpt to true, as per 4.1.1.3 of RFC 2821
+        $this->_send('RCPT TO:<' . $to . '>');
+        $this->_expect(array(250, 251), 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+        $this->_rcpt = true;
+    }
+
+
+    /**
+     * Issues DATA command
+     *
+     * @param  string $data
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function data($data)
+    {
+        // Ensure recipients have been set
+        if ($this->_rcpt !== true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('No recipient forward path has been supplied');
+        }
+
+        $this->_send('DATA');
+        $this->_expect(354, 120); // Timeout set for 2 minutes as per RFC 2821 4.5.3.2
+
+        foreach (explode(Zend_Mime::LINEEND, $data) as $line) {
+            if (strpos($line, '.') === 0) {
+                // Escape lines prefixed with a '.'
+                $line = '.' . $line;
+            }
+            $this->_send($line);
+        }
+
+        $this->_send('.');
+        $this->_expect(250, 600); // Timeout set for 10 minutes as per RFC 2821 4.5.3.2
+        $this->_data = true;
+    }
+
+
+    /**
+     * Issues the RSET command and validates answer
+     *
+     * Can be used to restore a clean smtp communication state when a transaction has been cancelled or commencing a new transaction.
+     *
+     * @return void
+     */
+    public function rset()
+    {
+        $this->_send('RSET');
+        // MS ESMTP doesn't follow RFC, see [ZF-1377]
+        $this->_expect(array(250, 220));
+
+        $this->_mail = false;
+        $this->_rcpt = false;
+        $this->_data = false;
+    }
+
+
+    /**
+     * Issues the NOOP command and validates answer
+     *
+     * Not used by Zend_Mail, could be used to keep a connection alive or check if it is still open.
+     *
+     * @return void
+     */
+    public function noop()
+    {
+        $this->_send('NOOP');
+        $this->_expect(250, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+    }
+
+
+    /**
+     * Issues the VRFY command and validates answer
+     *
+     * Not used by Zend_Mail.
+     *
+     * @param  string $user User Name or eMail to verify
+     * @return void
+     */
+    public function vrfy($user)
+    {
+        $this->_send('VRFY ' . $user);
+        $this->_expect(array(250, 251, 252), 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+    }
+
+
+    /**
+     * Issues the QUIT command and clears the current session
+     *
+     * @return void
+     */
+    public function quit()
+    {
+        if ($this->_sess) {
+            $this->_send('QUIT');
+            $this->_expect(221, 300); // Timeout set for 5 minutes as per RFC 2821 4.5.3.2
+            $this->_stopSession();
+        }
+    }
+
+
+    /**
+     * Default authentication method
+     *
+     * This default method is implemented by AUTH adapters to properly authenticate to a remote host.
+     *
+     * @throws Zend_Mail_Protocol_Exception
+     * @return void
+     */
+    public function auth()
+    {
+        if ($this->_auth === true) {
+            /**
+             * @see Zend_Mail_Protocol_Exception
+             */
+            throw new Zend_Mail_Protocol_Exception('Already authenticated for this session');
+        }
+    }
+
+
+    /**
+     * Closes connection
+     *
+     * @return void
+     */
+    public function disconnect()
+    {
+        $this->_disconnect();
+    }
+
+
+    /**
+     * Start mail session
+     *
+     * @return void
+     */
+    protected function _startSession()
+    {
+        $this->_sess = true;
+    }
+
+
+    /**
+     * Stop mail session
+     *
+     * @return void
+     */
+    protected function _stopSession()
+    {
+        $this->_sess = false;
+    }
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Crammd5.php b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Crammd5.php
new file mode 100644
index 0000000..2a5ca3d
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Crammd5.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Mail_Protocol_Smtp
+ */
+
+
+/**
+ * Performs CRAM-MD5 authentication
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Smtp_Auth_Crammd5 extends Zend_Mail_Protocol_Smtp
+{
+    /**
+     * Constructor.
+     *
+     * @param  string $host   (Default: 127.0.0.1)
+     * @param  int    $port   (Default: null)
+     * @param  array  $config Auth-specific parameters
+     * @return void
+     */
+    public function __construct($host = '127.0.0.1', $port = null, $config = null)
+    {
+        if (is_array($config)) {
+            if (isset($config['username'])) {
+                $this->_username = $config['username'];
+            }
+            if (isset($config['password'])) {
+                $this->_password = $config['password'];
+            }
+        }
+
+        parent::__construct($host, $port, $config);
+    }
+
+
+    /**
+     * @todo Perform CRAM-MD5 authentication with supplied credentials
+     *
+     * @return void
+     */
+    public function auth()
+    {
+        // Ensure AUTH has not already been initiated.
+        parent::auth();
+
+        $this->_send('AUTH CRAM-MD5');
+        $challenge = $this->_expect(334);
+        $challenge = base64_decode($challenge);
+        $digest = $this->_hmacMd5($this->_password, $challenge);
+        $this->_send(base64_encode($this->_username . ' ' . $digest));
+        $this->_expect(235);
+        $this->_auth = true;
+    }
+
+
+    /**
+     * Prepare CRAM-MD5 response to server's ticket
+     *
+     * @param  string $key   Challenge key (usually password)
+     * @param  string $data  Challenge data
+     * @param  string $block Length of blocks
+     * @return string
+     */
+    protected function _hmacMd5($key, $data, $block = 64)
+    {
+        if (strlen($key) > 64) {
+            $key = pack('H32', md5($key));
+        } elseif (strlen($key) < 64) {
+            $key = str_pad($key, $block, "\0");
+        }
+
+        $k_ipad = substr($key, 0, 64) ^ str_repeat(chr(0x36), 64);
+        $k_opad = substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64);
+
+        $inner = pack('H32', md5($k_ipad . $data));
+        $digest = md5($k_opad . $inner);
+
+        return $digest;
+    }
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Login.php b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Login.php
new file mode 100644
index 0000000..5295b65
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Login.php
@@ -0,0 +1,97 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Mail_Protocol_Smtp
+ */
+
+
+/**
+ * Performs LOGIN authentication
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Smtp_Auth_Login extends Zend_Mail_Protocol_Smtp
+{
+    /**
+     * LOGIN username
+     *
+     * @var string
+     */
+    protected $_username;
+
+
+    /**
+     * LOGIN password
+     *
+     * @var string
+     */
+    protected $_password;
+
+
+    /**
+     * Constructor.
+     *
+     * @param  string $host   (Default: 127.0.0.1)
+     * @param  int    $port   (Default: null)
+     * @param  array  $config Auth-specific parameters
+     * @return void
+     */
+    public function __construct($host = '127.0.0.1', $port = null, $config = null)
+    {
+        if (is_array($config)) {
+            if (isset($config['username'])) {
+                $this->_username = $config['username'];
+            }
+            if (isset($config['password'])) {
+                $this->_password = $config['password'];
+            }
+        }
+
+        parent::__construct($host, $port, $config);
+    }
+
+
+    /**
+     * Perform LOGIN authentication with supplied credentials
+     *
+     * @return void
+     */
+    public function auth()
+    {
+        // Ensure AUTH has not already been initiated.
+        parent::auth();
+
+        $this->_send('AUTH LOGIN');
+        $this->_expect(334);
+        $this->_send(base64_encode($this->_username));
+        $this->_expect(334);
+        $this->_send(base64_encode($this->_password));
+        $this->_expect(235);
+        $this->_auth = true;
+    }
+}
diff --git a/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Plain.php b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Plain.php
new file mode 100644
index 0000000..abd788e
--- /dev/null
+++ b/library/vendor/Zend/Mail/Protocol/Smtp/Auth/Plain.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Mail_Protocol_Smtp
+ */
+
+
+/**
+ * Performs PLAIN authentication
+ *
+ * @category   Zend
+ * @package    Zend_Mail
+ * @subpackage Protocol
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Mail_Protocol_Smtp_Auth_Plain extends Zend_Mail_Protocol_Smtp
+{
+    /**
+     * PLAIN username
+     *
+     * @var string
+     */
+    protected $_username;
+
+
+    /**
+     * PLAIN password
+     *
+     * @var string
+     */
+    protected $_password;
+
+
+    /**
+     * Constructor.
+     *
+     * @param  string $host   (Default: 127.0.0.1)
+     * @param  int    $port   (Default: null)
+     * @param  array  $config Auth-specific parameters
+     * @return void
+     */
+    public function __construct($host = '127.0.0.1', $port = null, $config = null)
+    {
+        if (is_array($config)) {
+            if (isset($config['username'])) {
+                $this->_username = $config['username'];
+            }
+            if (isset($config['password'])) {
+                $this->_password = $config['password'];
+            }
+        }
+
+        parent::__construct($host, $port, $config);
+    }
+
+
+    /**
+     * Perform PLAIN authentication with supplied credentials
+     *
+     * @return void
+     */
+    public function auth()
+    {
+        // Ensure AUTH has not already been initiated.
+        parent::auth();
+
+        $this->_send('AUTH PLAIN');
+        $this->_expect(334);
+        $this->_send(base64_encode("\0" . $this->_username . "\0" . $this->_password));
+        $this->_expect(235);
+        $this->_auth = true;
+    }
+}