- /**
- * SMTP server port
- * @var int
- */
- var $SMTP_PORT = 25;
-
- /**
- * SMTP reply line ending
- * @var string
- */
- var $CRLF = "\r\n";
-
- /**
- * Sets whether debugging is turned on
- * @var bool
- */
- var $do_debug; # the level of debug to perform
-
- /**
- * Sets VERP use on/off (default is off)
- * @var bool
- */
- var $do_verp = false;
-
- /**#@+
- * @access private
- */
- var $smtp_conn; # the socket to the server
- var $error; # error if any on the last call
- var $helo_rply; # the reply the server sent to us for HELO
- /**#@-*/
-
- /**
- * Initialize the class so that the data is in a known state.
- * @access public
- * @return void
- */
- function SMTP() {
- $this->smtp_conn = 0;
- $this->error = null;
- $this->helo_rply = null;
-
- $this->do_debug = 0;
- }
-
- /*************************************************************
- * CONNECTION FUNCTIONS *
- ***********************************************************/
-
- /**
- * Connect to the server specified on the port specified.
- * If the port is not specified use the default SMTP_PORT.
- * If tval is specified then a connection will try and be
- * established with the server for that number of seconds.
- * If tval is not specified the default is 30 seconds to
- * try on the connection.
- *
- * SMTP CODE SUCCESS: 220
- * SMTP CODE FAILURE: 421
- * @access public
- * @return bool
- */
- function Connect($host,$port=0,$tval=30) {
- # set the error val to null so there is no confusion
- $this->error = null;
-
- # make sure we are __not__ connected
- if($this->connected()) {
- # ok we are connected! what should we do?
- # for now we will just give an error saying we
- # are already connected
- $this->error = array("error" => "Already connected to a server");
- return false;
+ /**
+ * The PHPMailer SMTP version number.
+ * @var string
+ */
+ const VERSION = '5.2.14';
+
+ /**
+ * SMTP line break constant.
+ * @var string
+ */
+ const CRLF = "\r\n";
+
+ /**
+ * The SMTP port to use if one is not specified.
+ * @var integer
+ */
+ const DEFAULT_SMTP_PORT = 25;
+
+ /**
+ * The maximum line length allowed by RFC 2822 section 2.1.1
+ * @var integer
+ */
+ const MAX_LINE_LENGTH = 998;
+
+ /**
+ * Debug level for no output
+ */
+ const DEBUG_OFF = 0;
+
+ /**
+ * Debug level to show client -> server messages
+ */
+ const DEBUG_CLIENT = 1;
+
+ /**
+ * Debug level to show client -> server and server -> client messages
+ */
+ const DEBUG_SERVER = 2;
+
+ /**
+ * Debug level to show connection status, client -> server and server -> client messages
+ */
+ const DEBUG_CONNECTION = 3;
+
+ /**
+ * Debug level to show all messages
+ */
+ const DEBUG_LOWLEVEL = 4;
+
+ /**
+ * The PHPMailer SMTP Version number.
+ * @var string
+ * @deprecated Use the `VERSION` constant instead
+ * @see SMTP::VERSION
+ */
+ public $Version = '5.2.14';
+
+ /**
+ * SMTP server port number.
+ * @var integer
+ * @deprecated This is only ever used as a default value, so use the `DEFAULT_SMTP_PORT` constant instead
+ * @see SMTP::DEFAULT_SMTP_PORT
+ */
+ public $SMTP_PORT = 25;
+
+ /**
+ * SMTP reply line ending.
+ * @var string
+ * @deprecated Use the `CRLF` constant instead
+ * @see SMTP::CRLF
+ */
+ public $CRLF = "\r\n";
+
+ /**
+ * Debug output level.
+ * Options:
+ * * self::DEBUG_OFF (`0`) No debug output, default
+ * * self::DEBUG_CLIENT (`1`) Client commands
+ * * self::DEBUG_SERVER (`2`) Client commands and server responses
+ * * self::DEBUG_CONNECTION (`3`) As DEBUG_SERVER plus connection status
+ * * self::DEBUG_LOWLEVEL (`4`) Low-level data output, all messages
+ * @var integer
+ */
+ public $do_debug = self::DEBUG_OFF;
+
+ /**
+ * How to handle debug output.
+ * Options:
+ * * `echo` Output plain-text as-is, appropriate for CLI
+ * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
+ * * `error_log` Output to error log as configured in php.ini
+ *
+ * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
+ * <code>
+ * $smtp->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
+ * </code>
+ * @var string|callable
+ */
+ public $Debugoutput = 'echo';
+
+ /**
+ * Whether to use VERP.
+ * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
+ * @link http://www.postfix.org/VERP_README.html Info on VERP
+ * @var boolean
+ */
+ public $do_verp = false;
+
+ /**
+ * The timeout value for connection, in seconds.
+ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
+ * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure.
+ * @link http://tools.ietf.org/html/rfc2821#section-4.5.3.2
+ * @var integer
+ */
+ public $Timeout = 300;
+
+ /**
+ * How long to wait for commands to complete, in seconds.
+ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
+ * @var integer
+ */
+ public $Timelimit = 300;
+
+ /**
+ * The socket for the server connection.
+ * @var resource
+ */
+ protected $smtp_conn;
+
+ /**
+ * Error information, if any, for the last SMTP command.
+ * @var array
+ */
+ protected $error = array(
+ 'error' => '',
+ 'detail' => '',
+ 'smtp_code' => '',
+ 'smtp_code_ex' => ''
+ );
+
+ /**
+ * The reply the server sent to us for HELO.
+ * If null, no HELO string has yet been received.
+ * @var string|null
+ */
+ protected $helo_rply = null;
+
+ /**
+ * The set of SMTP extensions sent in reply to EHLO command.
+ * Indexes of the array are extension names.
+ * Value at index 'HELO' or 'EHLO' (according to command that was sent)
+ * represents the server name. In case of HELO it is the only element of the array.
+ * Other values can be boolean TRUE or an array containing extension options.
+ * If null, no HELO/EHLO string has yet been received.
+ * @var array|null
+ */
+ protected $server_caps = null;
+
+ /**
+ * The most recent reply received from the server.
+ * @var string
+ */
+ protected $last_reply = '';
+
+ /**
+ * Output debugging info via a user-selected method.
+ * @see SMTP::$Debugoutput
+ * @see SMTP::$do_debug
+ * @param string $str Debug string to output
+ * @param integer $level The debug level of this message; see DEBUG_* constants
+ * @return void
+ */
+ protected function edebug($str, $level = 0)
+ {
+ if ($level > $this->do_debug) {
+ return;
+ }
+ //Avoid clash with built-in function names
+ if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
+ call_user_func($this->Debugoutput, $str, $this->do_debug);
+ return;
+ }
+ switch ($this->Debugoutput) {
+ case 'error_log':
+ //Don't output, just log
+ error_log($str);
+ break;
+ case 'html':
+ //Cleans up output a bit for a better looking, HTML-safe output
+ echo htmlentities(
+ preg_replace('/[\r\n]+/', '', $str),
+ ENT_QUOTES,
+ 'UTF-8'
+ )
+ . "<br>\n";
+ break;
+ case 'echo':
+ default:
+ //Normalize line breaks
+ $str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
+ echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
+ "\n",
+ "\n \t ",
+ trim($str)
+ )."\n";
+ }