871 lines
29 KiB
PHP
871 lines
29 KiB
PHP
<?php
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/*~ class.smtp.php
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.---------------------------------------------------------------------------.
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| Software: PHPMailer - PHP email class |
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| Version: 5.0.0 |
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| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
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| Info: http://phpmailer.sourceforge.net |
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| Support: http://sourceforge.net/projects/phpmailer/ |
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| ------------------------------------------------------------------------- |
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| Author: Andy Prevost (project admininistrator) |
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| Author: Brent R. Matzelle (original founder) |
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| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. |
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| Copyright (c) 2001-2003, Brent R. Matzelle |
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| ------------------------------------------------------------------------- |
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| License: Distributed under the Lesser General Public License (LGPL) |
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| http://www.gnu.org/copyleft/lesser.html |
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| This program is distributed in the hope that it will be useful - WITHOUT |
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| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| FITNESS FOR A PARTICULAR PURPOSE. |
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| ------------------------------------------------------------------------- |
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| We offer a number of paid services (www.codeworxtech.com): |
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| - Web Hosting on highly optimized fast and secure servers |
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| - Technology Consulting |
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| - Oursourcing (highly qualified programmers and graphic designers) |
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'---------------------------------------------------------------------------'
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/**
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* SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
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* commands except TURN which will always return a not implemented
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* error. SMTP also provides some utility methods for sending mail
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* to an SMTP server.
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* @package PHPMailer
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* @author Andy Prevost
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*/
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// move these to class.phpmailer.php AFTER re-write
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if ( !defined('RET_MESSAGE') ) { define("RET_MESSAGE", 0); } // message only, continue processing
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if ( !defined('RET_CONTINUE') ) { define("RET_CONTINUE", 1); } // message?, likely ok to continue processing
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if ( !defined('RET_CRITICAL') ) { define("RET_CRITICAL", 2); } // message, plus full stop, critical error reached
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class smtpException extends Exception {
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public function __construct($message = '', $code = 0)
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public function errorMessage() {
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$errorMsg = '<strong>' . $this->getMessage() . "</strong><br />";
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return $errorMsg;
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}
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}
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class smtpCritical extends smtpException { }
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class SMTP {
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/**
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* SMTP server port
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* @var int
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*/
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public $SMTP_PORT = 25;
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/**
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* SMTP reply line ending
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* @var string
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*/
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public $CRLF = "\r\n";
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/**
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* Sets whether debugging is turned on
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* 1 = echo errors and messages locally
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* 2 = echo messages locally
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* note: $do_debug can be equal to a number greater than 2 which are interpreted as 2
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* @var bool
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*/
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public $do_debug;
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/**
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* Sets VERP use on/off (default is off)
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* @var bool
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*/
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public $do_verp = false;
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/**
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* Sets error message to pass to PHPMailer
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* @var string
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*/
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public $smtpErrorMessage = array();
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/**
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* Sets compatibility mode with legacy PHPMailer versions true/false (default is true)
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* @var bool
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*/
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public $compatibility_mode = true;
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/**#@+
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* @access private
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*/
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private $smtp_conn; // the socket to the server
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private $error; // error if any on the last call
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private $helo_rply; // the reply the server sent to us for HELO
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/**#@-*/
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/**
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* Initialize the class so that the data is in a known state.
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* @access public
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* @return void
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*/
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public function __construct() {
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$this->smtp_conn = 0;
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$this->error = array();
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$this->helo_rply = null;
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$this->do_debug = 0;
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}
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/*************************************************************
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* CONNECTION FUNCTIONS *
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***********************************************************/
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/**
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* Common test for SMTP connection
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*
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* @access private
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* @return bool
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*/
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public function ifNotConnected($string) {
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$this->error = null;
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try {
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if ( !$this->connected() ) {
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throw new smtpException($string);
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}
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} catch (smtpException $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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//return true;
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}
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/**
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* Connect to the server specified on the port specified.
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* If the port is not specified use the default SMTP_PORT.
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* If tval is specified then a connection will try and be
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* established with the server for that number of seconds.
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* If tval is not specified the default is 30 seconds to
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* try on the connection.
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*
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* SMTP CODE SUCCESS: 220
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* SMTP CODE FAILURE: 421
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* @access public
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* @return bool
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*/
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public function Connect($host,$port=0,$tval=30) {
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$this->error = null;
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$returnCode = array();
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try {
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// make sure we are NOT connected
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if ($this->connected() ) {
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// already connected! - throw exception that we are already connected
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throw new smtpCritical("Already connected to a server");
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}
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// assign default port if empty
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if ( empty($port) ) {
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$port = $this->SMTP_PORT;
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}
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$this->smtp_conn = @fsockopen($host, // the host of the server
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$port, // the port to use
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$errno, // error number if any
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$errstr, // error message if any
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$tval); // give up after ? secs - default is 30 seconds
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// verify we connected properly
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if ( $this->smtp_conn === false || $this->smtp_conn === 0 ) {
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$displayErrorString = '';
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if ( empty($errstr) ) {
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$smtp_err_str = null;
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switch($errno){
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case -3: $smtp_err_str = "Socket creation failed"; break;
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case -4: $smtp_err_str = "DNS lookup failure"; break;
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case -5: $smtp_err_str = "Connection refused or timed out"; break;
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case 1: $smtp_err_str = "Invalid host"; break;
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case 111: $smtp_err_str = "Connection refused"; break;
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case 113: $smtp_err_str = "No route to host"; break;
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case 110: $smtp_err_str = "Connection timed out"; break;
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case 104: $smtp_err_str = "Connection reset by client"; break;
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default: $smtp_err_str = "Unknown: connection failed"; break;
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}
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if ( !empty($smtp_err_str) ) {
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$displayErrorString = ' (' . $smtp_err_str . ')';
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}
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} elseif ( !empty($errstr) ) {
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$displayErrorString = ' (' . $errstr . ')';
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}
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$error = 'Failed to connect to server. Error: ' . $errno . $displayErrorString;
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error . '<br />' . $this->CRLF;
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}
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throw new smtpCritical($error);
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}
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// SMTP server can take longer to respond - give longer timeout for first read
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if ( !stream_set_timeout($this->smtp_conn, $tval) ) {
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$this->error = 'Extended time out failed.';
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throw new smtpException($this->error);
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}
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// get any announcement stuff
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$announce = $this->get_lines();
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if ( $this->do_debug >= 2 ) {
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce . '<br />';
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}
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} catch (smtpCritical $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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} catch (smtpException $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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} else {
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$returnCode[0] = RET_MESSAGE; // message only
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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return true;
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}
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/**
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* Initiate a TSL communication with the server.
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*
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* SMTP CODE 220 Ready to start TLS
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* SMTP CODE 501 Syntax error (no parameters allowed)
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* SMTP CODE 454 TLS not available due to temporary reason
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* @access public
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* @return bool success
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*/
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public function StartTLS() {
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$this->error = null;
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$this->ifNotConnected('Called StartTLS() without being connected.');
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try {
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fputs($this->smtp_conn,"STARTTLS" . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if ( $this->do_debug >= 2 ) {
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echo "SMTP -> FROM SERVER:" . $this->CRLF . '<br />' . $rply . '<br />';
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}
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if ( $code != 220 ) {
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$this->error = 'STARTTLS not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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throw new smtpCritical($this->error);
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}
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//Begin encrypted connection
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if ( !stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT) ) {
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$this->error = 'SMTP encrypted connection error. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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throw new smtpCritical($this->error);
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}
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} catch (smtpCritical $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $e->errorMessage() . '<br />' . $this->CRLF;
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}
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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return true;
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}
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/**
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* Performs SMTP authentication. Must be run after running the
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* Hello() method. Returns true if successfully authenticated.
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* @access public
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* @return bool
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*/
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public function Authenticate($username, $password) {
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$this->error = null;
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// Start authentication
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try {
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fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if ( $code != 334 ) {
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$this->error = 'AUTH not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
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}
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throw new smtpCritical($this->error);
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}
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// Send encoded username
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fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if ( $code != 334 ) {
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$this->error = 'Username not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
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}
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throw new smtpCritical($this->error);
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}
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// Send encoded password
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fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if ( $code != 235 ) {
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$this->error = 'Password not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
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}
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throw new smtpCritical($this->error);
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}
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} catch (smtpCritical $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
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}
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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return true;
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}
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/**
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* Returns true if connected to a server otherwise false
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* @access public
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* @return bool
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*/
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public function Connected() {
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$this->error = null;
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try {
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if ( $this->smtp_conn !== false && $this->smtp_conn != 0 ) {
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$sock_status = socket_get_status($this->smtp_conn);
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if ( $sock_status["eof"] ) {
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// odd situation - socket is valid but not connected anymore
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$this->error = 'NOTICE: EOF caught while checking if connected';
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throw new smtpCritical($this->error);
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}
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} else {
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return false;
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}
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} catch (smtpCritical $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> NOTICE:" . '<br />' . $this->CRLF . "EOF caught while checking if connected";
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}
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$this->Close();
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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return true; // everything looks good
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}
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/**
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* Closes the socket and cleans up the state of the class.
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* It is not considered good to use this function without
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* first trying to use QUIT.
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* @access public
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* @return void
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*/
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public function Close() {
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$this->error = null;
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$this->helo_rply = null;
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if ( !empty($this->smtp_conn) ) {
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// close the connection and cleanup
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fclose($this->smtp_conn);
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$this->smtp_conn = 0;
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}
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}
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/***************************************************************
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* SMTP COMMANDS *
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*************************************************************/
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/**
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* Issues a data command and sends the msg_data to the server
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* finializing the mail transaction. $msg_data is the message
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* that is to be send with the headers. Each header needs to be
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* on a single line followed by a <CRLF> with the message headers
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* and the message body being seperated by and additional <CRLF>.
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*
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* Implements rfc 821: DATA <CRLF>
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*
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* SMTP CODE INTERMEDIATE: 354
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* [data]
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* <CRLF>.<CRLF>
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* SMTP CODE SUCCESS: 250
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* SMTP CODE FAILURE: 552,554,451,452
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* SMTP CODE FAILURE: 451,554
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* SMTP CODE ERROR : 500,501,503,421
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* @access public
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* @return bool
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*/
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public function Data($msg_data) {
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$this->error = null;
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$this->ifNotConnected('ERROR: Called Data() without being connected');
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try {
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fputs($this->smtp_conn,"DATA" . $this->CRLF);
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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if ( $this->do_debug >= 2 ) {
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echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
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}
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if ( $code != 354 ) {
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$this->error = 'DATA command not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
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if ( $this->do_debug >= 1 ) {
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echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
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}
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throw new smtpCritical($this->error);
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}
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} catch (smtpCritical $e) {
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$this->smtpErrorMessage[] = $e->errorMessage();
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if ( $this->compatibility_mode ) {
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echo $e->errorMessage();
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return false;
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} else {
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$returnCode[0] = RET_CRITICAL; // critical error, stop processing
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$returnCode[1] = $e->errorMessage();
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return $returnCode;
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}
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}
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/* the server is ready to accept data!
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* according to rfc 821 we should not send more than 1000
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* including the CRLF
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* characters on a single line so we will break the data up
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* into lines by \r and/or \n then if needed we will break
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* each of those into smaller lines to fit within the limit.
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* in addition we will be looking for lines that start with
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* a period '.' and append and additional period '.' to that
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* line. NOTE: this does not count towards are limit.
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*/
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// normalize the line breaks so we know the explode works
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$msg_data = str_replace("\r\n","\n",$msg_data);
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$msg_data = str_replace("\r","\n",$msg_data);
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$lines = explode("\n",$msg_data);
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/* we need to find a good way to determine if headers are
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* in the msg_data or if it is a straight msg body
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* currently assuming rfc 822 definitions of msg headers
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* and if the first field of the first line (':' separated)
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* does not contain a space then it _should_ be a header
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* and we can process all lines before a blank "" line as
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* headers.
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*/
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$field = substr($lines[0],0,strpos($lines[0],":"));
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$in_headers = false;
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if ( !empty($field) && !strstr($field," ") ) {
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$in_headers = true;
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}
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$max_line_length = 998; // used below; set here for ease in change
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while(list(,$line) = @each($lines)) {
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$lines_out = null;
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if ( $line == "" && $in_headers ) {
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$in_headers = false;
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}
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// ok we need to break this line up into several smaller lines
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while(strlen($line) > $max_line_length) {
|
|
$pos = strrpos(substr($line,0,$max_line_length)," ");
|
|
|
|
// Patch to fix DOS attack
|
|
if ( !$pos ) {
|
|
$pos = $max_line_length - 1;
|
|
$lines_out[] = substr($line,0,$pos);
|
|
$line = substr($line,$pos);
|
|
} else {
|
|
$lines_out[] = substr($line,0,$pos);
|
|
$line = substr($line,$pos + 1);
|
|
}
|
|
|
|
/* if we are processing headers we need to
|
|
* add a LWSP-char to the front of the new line
|
|
* rfc 822 on long msg headers
|
|
*/
|
|
if ( $in_headers ) {
|
|
$line = "\t" . $line;
|
|
}
|
|
}
|
|
$lines_out[] = $line;
|
|
|
|
// now send the lines to the server
|
|
while(list(,$line_out) = @each($lines_out)) {
|
|
if ( strlen($line_out) > 0 ) {
|
|
if ( substr($line_out, 0, 1) == "." ) {
|
|
$line_out = "." . $line_out;
|
|
}
|
|
}
|
|
fputs($this->smtp_conn,$line_out . $this->CRLF);
|
|
}
|
|
}
|
|
|
|
try {
|
|
// message data has been sent so lets end
|
|
fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
|
|
}
|
|
if ( $code != 250 ) {
|
|
$this->error = 'DATA not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the HELO command to the smtp server.
|
|
* This makes sure that we and the server are in
|
|
* the same known state.
|
|
*
|
|
* Implements from rfc 821: HELO <SP> <domain> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE ERROR : 500, 501, 504, 421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Hello($host="") {
|
|
$this->error = null;
|
|
|
|
$this->ifNotConnected('ERROR: Called Hello() without being connected');
|
|
|
|
// if hostname for HELO was not specified determine a suitable one to send
|
|
if ( empty($host) ) {
|
|
// default to send to the server
|
|
$host = "localhost";
|
|
}
|
|
|
|
try {
|
|
// Send extended hello first (RFC 2821)
|
|
if ( !$this->SendHello("EHLO", $host) ) {
|
|
if ( !$this->SendHello("HELO", $host) ) {
|
|
$this->error = 'ERROR: EHLO and/or HELO not accepted by server';
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends a HELO/EHLO command.
|
|
* @access private
|
|
* @return bool
|
|
*/
|
|
private function SendHello($hello, $host) {
|
|
$this->error = null;
|
|
|
|
try {
|
|
fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER: " . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
|
|
}
|
|
if ( $code != 250 ) {
|
|
$this->error = $hello . ' not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
$this->helo_rply = $rply;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Starts a mail transaction from the email address specified in
|
|
* $from. Returns true if successful or false otherwise. If True
|
|
* the mail transaction is started and then one or more Recipient
|
|
* commands may be called followed by a Data command.
|
|
*
|
|
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE SUCCESS: 552,451,452
|
|
* SMTP CODE SUCCESS: 500,501,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Mail($from) {
|
|
$this->error = null;
|
|
|
|
$this->ifNotConnected('ERROR: Called Mail() without being connected');
|
|
|
|
try {
|
|
$useVerp = ($this->do_verp ? "XVERP" : "");
|
|
fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
|
|
}
|
|
if ( $code != 250 ) {
|
|
$this->error = 'MAIL not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the quit command to the server and then closes the socket
|
|
* if there is no error or the $close_on_error argument is true.
|
|
*
|
|
* Implements from rfc 821: QUIT <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 221
|
|
* SMTP CODE ERROR : 500
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Quit($close_on_error=true) {
|
|
$this->error = null;
|
|
|
|
$this->ifNotConnected('ERROR: Called Quit() without being connected');
|
|
|
|
try {
|
|
// send the quit command to the server
|
|
fputs($this->smtp_conn,"quit" . $this->CRLF);
|
|
|
|
// get any good-bye messages
|
|
$byemsg = $this->get_lines();
|
|
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $byemsg . '<br />' . $this->CRLF;
|
|
}
|
|
|
|
$rval = true;
|
|
$e = null;
|
|
|
|
$code = substr($byemsg,0,3);
|
|
if ( $code != 221 ) {
|
|
$rval = false;
|
|
$this->error = 'QUIT command not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
$e = $this->error;
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo "SMTP -> ERROR: " . $e["error"] . " (" . $byemsg . ')<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
|
|
if ( empty($e) || $close_on_error ) {
|
|
$this->Close();
|
|
}
|
|
|
|
return $rval;
|
|
}
|
|
|
|
/**
|
|
* Sends the command RCPT to the SMTP server with the TO: argument of $to.
|
|
* Returns true if the recipient was accepted false if it was rejected.
|
|
*
|
|
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250,251
|
|
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
|
|
* SMTP CODE ERROR : 500,501,503,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Recipient($to) {
|
|
$this->error = null;
|
|
|
|
$this->ifNotConnected('ERROR: Called Recipient() without being connected');
|
|
|
|
try {
|
|
fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
|
|
}
|
|
if ( $code != 250 && $code != 251 ) {
|
|
$this->error = 'RCPT command not accepted. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo 'SMTP -> ERROR: ' . $this->error . '<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Sends the RSET command to abort and transaction that is
|
|
* currently in progress. Returns true if successful false
|
|
* otherwise.
|
|
*
|
|
* Implements rfc 821: RSET <CRLF>
|
|
*
|
|
* SMTP CODE SUCCESS: 250
|
|
* SMTP CODE ERROR : 500,501,504,421
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function Reset() {
|
|
$this->error = null;
|
|
|
|
$this->ifNotConnected('ERROR: Called Reset() without being connected');
|
|
|
|
try {
|
|
fputs($this->smtp_conn,"RSET" . $this->CRLF);
|
|
$rply = $this->get_lines();
|
|
$code = substr($rply,0,3);
|
|
if ( $this->do_debug >= 2 ) {
|
|
echo "SMTP -> FROM SERVER:" . '<br />' . $this->CRLF . $rply . '<br />' . $this->CRLF;
|
|
}
|
|
if ( $code != 250 ) {
|
|
$this->error = 'RSET failed. Server returned code: ' . $code . ' (' . trim(substr($rply,strpos($rply,' ',5))) . ')';
|
|
if ( $this->do_debug >= 1 ) {
|
|
echo "SMTP -> ERROR: " . $this->error . " (" . $rply . ')<br />' . $this->CRLF;
|
|
}
|
|
throw new smtpCritical($this->error);
|
|
}
|
|
} catch (smtpCritical $e) {
|
|
$this->smtpErrorMessage[] = $e->errorMessage();
|
|
if ( $this->compatibility_mode ) {
|
|
echo $e->errorMessage();
|
|
return false;
|
|
} else {
|
|
$returnCode[0] = RET_CRITICAL; // critical error, stop processing
|
|
$returnCode[1] = $e->errorMessage();
|
|
return $returnCode;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* INTERNAL FUNCTIONS *
|
|
******************************************************************/
|
|
|
|
/**
|
|
* Read in as many lines as possible
|
|
* either before eof or socket timeout occurs on the operation.
|
|
* With SMTP we can tell if we have more lines to read if the
|
|
* 4th character is '-' symbol. If it is a space then we don't
|
|
* need to read anything else.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
private function get_lines() {
|
|
$data = "";
|
|
while($str = @fgets($this->smtp_conn,515)) {
|
|
if ( $this->do_debug >= 4 ) {
|
|
echo "SMTP -> get_lines(): \$data was \"$data\"" . '<br />' . $this->CRLF;
|
|
echo "SMTP -> get_lines(): \$str is \"$str\"" . '<br />' . $this->CRLF;
|
|
}
|
|
$data .= $str;
|
|
if ( $this->do_debug >= 4 ) {
|
|
echo "SMTP -> get_lines(): \$data is \"$data\"" . '<br />' . $this->CRLF;
|
|
}
|
|
// if the 4th character is a space then we are done reading
|
|
// so just break the loop
|
|
if ( substr($str,3,1) == " " ) {
|
|
break;
|
|
}
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|