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<?php
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////////////////////////////////////////////////////
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// SMTP - PHP SMTP class
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//
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// Version 1.02
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//
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// Define an SMTP class that can be used to connect
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// and communicate with any SMTP server. It implements
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// all the SMTP functions defined in RFC821 except TURN.
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//
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// Author: Chris Ryan
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//
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// License: LGPL, see LICENSE
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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 Chris Ryan
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*/
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class SMTP
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{
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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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var $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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var $CRLF = "\r\n";
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/**
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* Sets whether debugging is turned on
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* @var bool
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*/
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var $do_debug; # the level of debug to perform
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/**#@+
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* @access private
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*/
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var $smtp_conn; # the socket to the server
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var $error; # error if any on the last call
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var $helo_rply; # the reply the server sent to us for HELO
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/**#@-*/
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/**
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* Initialize the class so that the data is in a known state.
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* @access public
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* @return void
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*/
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function SMTP() {
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$this->smtp_conn = 0;
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$this->error = null;
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$this->helo_rply = null;
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$this->do_debug = 0;
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}
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/*************************************************************
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* CONNECTION FUNCTIONS *
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***********************************************************/
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/**
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* Connect to the server specified on the port specified.
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* If the port is not specified use the default SMTP_PORT.
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* If tval is specified then a connection will try and be
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* established with the server for that number of seconds.
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* If tval is not specified the default is 30 seconds to
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* try on the connection.
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*
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* SMTP CODE SUCCESS: 220
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* SMTP CODE FAILURE: 421
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* @access public
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* @return bool
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*/
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function Connect($host,$port=0,$tval=30) {
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# set the error val to null so there is no confusion
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$this->error = null;
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# make sure we are __not__ connected
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if($this->connected()) {
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# ok we are connected! what should we do?
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# for now we will just give an error saying we
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# are already connected
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$this->error =
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array("error" => "Already connected to a server");
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return false;
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}
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if(empty($port)) {
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$port = $this->SMTP_PORT;
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}
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#connect to the smtp server
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$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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$tval); # give up after ? secs
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# verify we connected properly
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if(empty($this->smtp_conn)) {
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$this->error = array("error" => "Failed to connect to server",
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"errno" => $errno,
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"errstr" => $errstr);
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] .
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": $errstr ($errno)" . $this->CRLF;
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}
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return false;
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}
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# sometimes the SMTP server takes a little longer to respond
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# so we will give it a longer timeout for the first read
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// Windows still does not have support for this timeout function
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if(substr(PHP_OS, 0, 3) != "WIN")
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socket_set_timeout($this->smtp_conn, $tval, 0);
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# get any announcement stuff
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$announce = $this->get_lines();
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# set the timeout of any socket functions at 1/10 of a second
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//if(function_exists("socket_set_timeout"))
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// socket_set_timeout($this->smtp_conn, 0, 100000);
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if($this->do_debug >= 2) {
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
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}
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return true;
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}
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/**
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* Performs SMTP authentication. Must be run after running the
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* Hello() method. Returns true if successfully authenticated.
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* @access public
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* @return bool
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*/
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function Authenticate($username, $password) {
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// Start authentication
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fputs($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 =
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array("error" => "AUTH not accepted from server",
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"smtp_code" => $code,
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"smtp_msg" => substr($rply,4));
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] .
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": " . $rply . $this->CRLF;
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}
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return false;
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}
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// Send encoded username
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fputs($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 =
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array("error" => "Username not accepted from server",
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"smtp_code" => $code,
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"smtp_msg" => substr($rply,4));
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] .
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": " . $rply . $this->CRLF;
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}
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return false;
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}
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// Send encoded password
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fputs($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 =
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array("error" => "Password not accepted from server",
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"smtp_code" => $code,
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"smtp_msg" => substr($rply,4));
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if($this->do_debug >= 1) {
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echo "SMTP -> ERROR: " . $this->error["error"] .
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": " . $rply . $this->CRLF;
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}
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return false;
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}
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return true;
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}
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/**
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* Returns true if connected to a server otherwise false
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* @access private
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* @return bool
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*/
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function Connected() {
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if(!empty($this->smtp_conn)) {
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$sock_status = socket_get_status($this->smtp_conn);
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if($sock_status["eof"]) {
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# hmm this is an odd situation... the socket is
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# valid but we aren't connected anymore
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if($this->do_debug >= 1) {
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echo "SMTP -> NOTICE:" . $this->CRLF .
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"EOF caught while checking if connected";
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}
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$this->Close();
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return false;
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}
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return true; # everything looks good
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}
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return false;
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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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function Close() {
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$this->error = null; # so there is no confusion
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$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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242
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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. $msg_data is the message
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* that is to be send with the headers. Each header needs to be
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* on a single line followed by a <CRLF> with the message headers
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* and the message body being seperated by and additional <CRLF>.
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*
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* Implements rfc 821: DATA <CRLF>
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*
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* SMTP CODE INTERMEDIATE: 354
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* [data]
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* <CRLF>.<CRLF>
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* SMTP CODE SUCCESS: 250
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* SMTP CODE FAILURE: 552,554,451,452
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* SMTP CODE FAILURE: 451,554
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* SMTP CODE ERROR : 500,501,503,421
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* @access public
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* @return bool
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*/
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266
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function Data($msg_data) {
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$this->error = null; # so no confusion is caused
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269
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if(!$this->connected()) {
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270
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$this->error = array(
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271
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"error" => "Called Data() without being connected");
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return false;
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}
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fputs($this->smtp_conn,"DATA" . $this->CRLF);
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277
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$rply = $this->get_lines();
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$code = substr($rply,0,3);
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279
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280
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if($this->do_debug >= 2) {
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281
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
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282
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}
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283
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284
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if($code != 354) {
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285
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$this->error =
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286
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array("error" => "DATA command not accepted from server",
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287
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"smtp_code" => $code,
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288
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"smtp_msg" => substr($rply,4));
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289
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if($this->do_debug >= 1) {
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290
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echo "SMTP -> ERROR: " . $this->error["error"] .
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291
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": " . $rply . $this->CRLF;
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292
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}
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293
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return false;
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294
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}
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295
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296
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# the server is ready to accept data!
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297
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# according to rfc 821 we should not send more than 1000
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298
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# including the CRLF
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299
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# characters on a single line so we will break the data up
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300
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# into lines by \r and/or \n then if needed we will break
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301
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# each of those into smaller lines to fit within the limit.
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302
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# in addition we will be looking for lines that start with
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303
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# a period '.' and append and additional period '.' to that
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304
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# line. NOTE: this does not count towards are limit.
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305
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306
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# normalize the line breaks so we know the explode works
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307
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$msg_data = str_replace("\r\n","\n",$msg_data);
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308
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$msg_data = str_replace("\r","\n",$msg_data);
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309
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$lines = explode("\n",$msg_data);
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310
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311
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# we need to find a good way to determine is headers are
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312
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# in the msg_data or if it is a straight msg body
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313
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# currently I'm assuming rfc 822 definitions of msg headers
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314
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# and if the first field of the first line (':' sperated)
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315
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# does not contain a space then it _should_ be a header
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316
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# and we can process all lines before a blank "" line as
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317
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# headers.
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318
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$field = substr($lines[0],0,strpos($lines[0],":"));
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319
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$in_headers = false;
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320
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if(!empty($field) && !strstr($field," ")) {
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321
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$in_headers = true;
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322
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}
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323
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324
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$max_line_length = 998; # used below; set here for ease in change
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325
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326
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while(list(,$line) = @each($lines)) {
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327
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$lines_out = null;
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328
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if($line == "" && $in_headers) {
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329
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$in_headers = false;
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330
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}
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331
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# ok we need to break this line up into several
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332
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# smaller lines
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333
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while(strlen($line) > $max_line_length) {
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334
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$pos = strrpos(substr($line,0,$max_line_length)," ");
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335
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|
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336
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# Patch to fix DOS attack
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337
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if(!$pos) {
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338
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$pos = $max_line_length - 1;
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339
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}
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340
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341
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$lines_out[] = substr($line,0,$pos);
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342
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$line = substr($line,$pos + 1);
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343
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# if we are processing headers we need to
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344
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# add a LWSP-char to the front of the new line
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345
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# rfc 822 on long msg headers
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346
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if($in_headers) {
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347
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$line = "\t" . $line;
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348
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}
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349
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}
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350
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$lines_out[] = $line;
|
|
351
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|
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352
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# now send the lines to the server
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353
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while(list(,$line_out) = @each($lines_out)) {
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354
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if(strlen($line_out) > 0)
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|
355
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{
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356
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if(substr($line_out, 0, 1) == ".") {
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357
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$line_out = "." . $line_out;
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358
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}
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359
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}
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360
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fputs($this->smtp_conn,$line_out . $this->CRLF);
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361
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}
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362
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}
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363
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|
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364
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# ok all the message data has been sent so lets get this
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365
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# over with aleady
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366
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fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
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367
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|
|
368
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$rply = $this->get_lines();
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369
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$code = substr($rply,0,3);
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|
370
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|
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371
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if($this->do_debug >= 2) {
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372
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
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373
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}
|
|
374
|
|
|
375
|
if($code != 250) {
|
|
376
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$this->error =
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377
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array("error" => "DATA not accepted from server",
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378
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"smtp_code" => $code,
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379
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"smtp_msg" => substr($rply,4));
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380
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if($this->do_debug >= 1) {
|
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381
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echo "SMTP -> ERROR: " . $this->error["error"] .
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|
382
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": " . $rply . $this->CRLF;
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|
383
|
}
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|
384
|
return false;
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|
385
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}
|
|
386
|
return true;
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|
387
|
}
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|
388
|
|
|
389
|
/**
|
|
390
|
* Expand takes the name and asks the server to list all the
|
|
391
|
* people who are members of the _list_. Expand will return
|
|
392
|
* back and array of the result or false if an error occurs.
|
|
393
|
* Each value in the array returned has the format of:
|
|
394
|
* [ <full-name> <sp> ] <path>
|
|
395
|
* The definition of <path> is defined in rfc 821
|
|
396
|
*
|
|
397
|
* Implements rfc 821: EXPN <SP> <string> <CRLF>
|
|
398
|
*
|
|
399
|
* SMTP CODE SUCCESS: 250
|
|
400
|
* SMTP CODE FAILURE: 550
|
|
401
|
* SMTP CODE ERROR : 500,501,502,504,421
|
|
402
|
* @access public
|
|
403
|
* @return string array
|
|
404
|
*/
|
|
405
|
function Expand($name) {
|
|
406
|
$this->error = null; # so no confusion is caused
|
|
407
|
|
|
408
|
if(!$this->connected()) {
|
|
409
|
$this->error = array(
|
|
410
|
"error" => "Called Expand() without being connected");
|
|
411
|
return false;
|
|
412
|
}
|
|
413
|
|
|
414
|
fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);
|
|
415
|
|
|
416
|
$rply = $this->get_lines();
|
|
417
|
$code = substr($rply,0,3);
|
|
418
|
|
|
419
|
if($this->do_debug >= 2) {
|
|
420
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
421
|
}
|
|
422
|
|
|
423
|
if($code != 250) {
|
|
424
|
$this->error =
|
|
425
|
array("error" => "EXPN not accepted from server",
|
|
426
|
"smtp_code" => $code,
|
|
427
|
"smtp_msg" => substr($rply,4));
|
|
428
|
if($this->do_debug >= 1) {
|
|
429
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
430
|
": " . $rply . $this->CRLF;
|
|
431
|
}
|
|
432
|
return false;
|
|
433
|
}
|
|
434
|
|
|
435
|
# parse the reply and place in our array to return to user
|
|
436
|
$entries = explode($this->CRLF,$rply);
|
|
437
|
while(list(,$l) = @each($entries)) {
|
|
438
|
$list[] = substr($l,4);
|
|
439
|
}
|
|
440
|
|
|
441
|
return $list;
|
|
442
|
}
|
|
443
|
|
|
444
|
/**
|
|
445
|
* Sends the HELO command to the smtp server.
|
|
446
|
* This makes sure that we and the server are in
|
|
447
|
* the same known state.
|
|
448
|
*
|
|
449
|
* Implements from rfc 821: HELO <SP> <domain> <CRLF>
|
|
450
|
*
|
|
451
|
* SMTP CODE SUCCESS: 250
|
|
452
|
* SMTP CODE ERROR : 500, 501, 504, 421
|
|
453
|
* @access public
|
|
454
|
* @return bool
|
|
455
|
*/
|
|
456
|
function Hello($host="") {
|
|
457
|
$this->error = null; # so no confusion is caused
|
|
458
|
|
|
459
|
if(!$this->connected()) {
|
|
460
|
$this->error = array(
|
|
461
|
"error" => "Called Hello() without being connected");
|
|
462
|
return false;
|
|
463
|
}
|
|
464
|
|
|
465
|
# if a hostname for the HELO wasn't specified determine
|
|
466
|
# a suitable one to send
|
|
467
|
if(empty($host)) {
|
|
468
|
# we need to determine some sort of appopiate default
|
|
469
|
# to send to the server
|
|
470
|
$host = "localhost";
|
|
471
|
}
|
|
472
|
|
|
473
|
// Send extended hello first (RFC 2821)
|
|
474
|
if(!$this->SendHello("EHLO", $host))
|
|
475
|
{
|
|
476
|
if(!$this->SendHello("HELO", $host))
|
|
477
|
return false;
|
|
478
|
}
|
|
479
|
|
|
480
|
return true;
|
|
481
|
}
|
|
482
|
|
|
483
|
/**
|
|
484
|
* Sends a HELO/EHLO command.
|
|
485
|
* @access private
|
|
486
|
* @return bool
|
|
487
|
*/
|
|
488
|
function SendHello($hello, $host) {
|
|
489
|
fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
|
|
490
|
|
|
491
|
$rply = $this->get_lines();
|
|
492
|
$code = substr($rply,0,3);
|
|
493
|
|
|
494
|
if($this->do_debug >= 2) {
|
|
495
|
echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply;
|
|
496
|
}
|
|
497
|
|
|
498
|
if($code != 250) {
|
|
499
|
$this->error =
|
|
500
|
array("error" => $hello . " not accepted from server",
|
|
501
|
"smtp_code" => $code,
|
|
502
|
"smtp_msg" => substr($rply,4));
|
|
503
|
if($this->do_debug >= 1) {
|
|
504
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
505
|
": " . $rply . $this->CRLF;
|
|
506
|
}
|
|
507
|
return false;
|
|
508
|
}
|
|
509
|
|
|
510
|
$this->helo_rply = $rply;
|
|
511
|
|
|
512
|
return true;
|
|
513
|
}
|
|
514
|
|
|
515
|
/**
|
|
516
|
* Gets help information on the keyword specified. If the keyword
|
|
517
|
* is not specified then returns generic help, ussually contianing
|
|
518
|
* A list of keywords that help is available on. This function
|
|
519
|
* returns the results back to the user. It is up to the user to
|
|
520
|
* handle the returned data. If an error occurs then false is
|
|
521
|
* returned with $this->error set appropiately.
|
|
522
|
*
|
|
523
|
* Implements rfc 821: HELP [ <SP> <string> ] <CRLF>
|
|
524
|
*
|
|
525
|
* SMTP CODE SUCCESS: 211,214
|
|
526
|
* SMTP CODE ERROR : 500,501,502,504,421
|
|
527
|
* @access public
|
|
528
|
* @return string
|
|
529
|
*/
|
|
530
|
function Help($keyword="") {
|
|
531
|
$this->error = null; # to avoid confusion
|
|
532
|
|
|
533
|
if(!$this->connected()) {
|
|
534
|
$this->error = array(
|
|
535
|
"error" => "Called Help() without being connected");
|
|
536
|
return false;
|
|
537
|
}
|
|
538
|
|
|
539
|
$extra = "";
|
|
540
|
if(!empty($keyword)) {
|
|
541
|
$extra = " " . $keyword;
|
|
542
|
}
|
|
543
|
|
|
544
|
fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);
|
|
545
|
|
|
546
|
$rply = $this->get_lines();
|
|
547
|
$code = substr($rply,0,3);
|
|
548
|
|
|
549
|
if($this->do_debug >= 2) {
|
|
550
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
551
|
}
|
|
552
|
|
|
553
|
if($code != 211 && $code != 214) {
|
|
554
|
$this->error =
|
|
555
|
array("error" => "HELP not accepted from server",
|
|
556
|
"smtp_code" => $code,
|
|
557
|
"smtp_msg" => substr($rply,4));
|
|
558
|
if($this->do_debug >= 1) {
|
|
559
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
560
|
": " . $rply . $this->CRLF;
|
|
561
|
}
|
|
562
|
return false;
|
|
563
|
}
|
|
564
|
|
|
565
|
return $rply;
|
|
566
|
}
|
|
567
|
|
|
568
|
/**
|
|
569
|
* Starts a mail transaction from the email address specified in
|
|
570
|
* $from. Returns true if successful or false otherwise. If True
|
|
571
|
* the mail transaction is started and then one or more Recipient
|
|
572
|
* commands may be called followed by a Data command.
|
|
573
|
*
|
|
574
|
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
|
|
575
|
*
|
|
576
|
* SMTP CODE SUCCESS: 250
|
|
577
|
* SMTP CODE SUCCESS: 552,451,452
|
|
578
|
* SMTP CODE SUCCESS: 500,501,421
|
|
579
|
* @access public
|
|
580
|
* @return bool
|
|
581
|
*/
|
|
582
|
function Mail($from) {
|
|
583
|
$this->error = null; # so no confusion is caused
|
|
584
|
|
|
585
|
if(!$this->connected()) {
|
|
586
|
$this->error = array(
|
|
587
|
"error" => "Called Mail() without being connected");
|
|
588
|
return false;
|
|
589
|
}
|
|
590
|
|
|
591
|
fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF);
|
|
592
|
|
|
593
|
$rply = $this->get_lines();
|
|
594
|
$code = substr($rply,0,3);
|
|
595
|
|
|
596
|
if($this->do_debug >= 2) {
|
|
597
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
598
|
}
|
|
599
|
|
|
600
|
if($code != 250) {
|
|
601
|
$this->error =
|
|
602
|
array("error" => "MAIL not accepted from server",
|
|
603
|
"smtp_code" => $code,
|
|
604
|
"smtp_msg" => substr($rply,4));
|
|
605
|
if($this->do_debug >= 1) {
|
|
606
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
607
|
": " . $rply . $this->CRLF;
|
|
608
|
}
|
|
609
|
return false;
|
|
610
|
}
|
|
611
|
return true;
|
|
612
|
}
|
|
613
|
|
|
614
|
/**
|
|
615
|
* Sends the command NOOP to the SMTP server.
|
|
616
|
*
|
|
617
|
* Implements from rfc 821: NOOP <CRLF>
|
|
618
|
*
|
|
619
|
* SMTP CODE SUCCESS: 250
|
|
620
|
* SMTP CODE ERROR : 500, 421
|
|
621
|
* @access public
|
|
622
|
* @return bool
|
|
623
|
*/
|
|
624
|
function Noop() {
|
|
625
|
$this->error = null; # so no confusion is caused
|
|
626
|
|
|
627
|
if(!$this->connected()) {
|
|
628
|
$this->error = array(
|
|
629
|
"error" => "Called Noop() without being connected");
|
|
630
|
return false;
|
|
631
|
}
|
|
632
|
|
|
633
|
fputs($this->smtp_conn,"NOOP" . $this->CRLF);
|
|
634
|
|
|
635
|
$rply = $this->get_lines();
|
|
636
|
$code = substr($rply,0,3);
|
|
637
|
|
|
638
|
if($this->do_debug >= 2) {
|
|
639
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
640
|
}
|
|
641
|
|
|
642
|
if($code != 250) {
|
|
643
|
$this->error =
|
|
644
|
array("error" => "NOOP not accepted from server",
|
|
645
|
"smtp_code" => $code,
|
|
646
|
"smtp_msg" => substr($rply,4));
|
|
647
|
if($this->do_debug >= 1) {
|
|
648
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
649
|
": " . $rply . $this->CRLF;
|
|
650
|
}
|
|
651
|
return false;
|
|
652
|
}
|
|
653
|
return true;
|
|
654
|
}
|
|
655
|
|
|
656
|
/**
|
|
657
|
* Sends the quit command to the server and then closes the socket
|
|
658
|
* if there is no error or the $close_on_error argument is true.
|
|
659
|
*
|
|
660
|
* Implements from rfc 821: QUIT <CRLF>
|
|
661
|
*
|
|
662
|
* SMTP CODE SUCCESS: 221
|
|
663
|
* SMTP CODE ERROR : 500
|
|
664
|
* @access public
|
|
665
|
* @return bool
|
|
666
|
*/
|
|
667
|
function Quit($close_on_error=true) {
|
|
668
|
$this->error = null; # so there is no confusion
|
|
669
|
|
|
670
|
if(!$this->connected()) {
|
|
671
|
$this->error = array(
|
|
672
|
"error" => "Called Quit() without being connected");
|
|
673
|
return false;
|
|
674
|
}
|
|
675
|
|
|
676
|
# send the quit command to the server
|
|
677
|
fputs($this->smtp_conn,"quit" . $this->CRLF);
|
|
678
|
|
|
679
|
# get any good-bye messages
|
|
680
|
$byemsg = $this->get_lines();
|
|
681
|
|
|
682
|
if($this->do_debug >= 2) {
|
|
683
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg;
|
|
684
|
}
|
|
685
|
|
|
686
|
$rval = true;
|
|
687
|
$e = null;
|
|
688
|
|
|
689
|
$code = substr($byemsg,0,3);
|
|
690
|
if($code != 221) {
|
|
691
|
# use e as a tmp var cause Close will overwrite $this->error
|
|
692
|
$e = array("error" => "SMTP server rejected quit command",
|
|
693
|
"smtp_code" => $code,
|
|
694
|
"smtp_rply" => substr($byemsg,4));
|
|
695
|
$rval = false;
|
|
696
|
if($this->do_debug >= 1) {
|
|
697
|
echo "SMTP -> ERROR: " . $e["error"] . ": " .
|
|
698
|
$byemsg . $this->CRLF;
|
|
699
|
}
|
|
700
|
}
|
|
701
|
|
|
702
|
if(empty($e) || $close_on_error) {
|
|
703
|
$this->Close();
|
|
704
|
}
|
|
705
|
|
|
706
|
return $rval;
|
|
707
|
}
|
|
708
|
|
|
709
|
/**
|
|
710
|
* Sends the command RCPT to the SMTP server with the TO: argument of $to.
|
|
711
|
* Returns true if the recipient was accepted false if it was rejected.
|
|
712
|
*
|
|
713
|
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
|
|
714
|
*
|
|
715
|
* SMTP CODE SUCCESS: 250,251
|
|
716
|
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
|
|
717
|
* SMTP CODE ERROR : 500,501,503,421
|
|
718
|
* @access public
|
|
719
|
* @return bool
|
|
720
|
*/
|
|
721
|
function Recipient($to) {
|
|
722
|
$this->error = null; # so no confusion is caused
|
|
723
|
|
|
724
|
if(!$this->connected()) {
|
|
725
|
$this->error = array(
|
|
726
|
"error" => "Called Recipient() without being connected");
|
|
727
|
return false;
|
|
728
|
}
|
|
729
|
|
|
730
|
fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
|
|
731
|
|
|
732
|
$rply = $this->get_lines();
|
|
733
|
$code = substr($rply,0,3);
|
|
734
|
|
|
735
|
if($this->do_debug >= 2) {
|
|
736
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
737
|
}
|
|
738
|
|
|
739
|
if($code != 250 && $code != 251) {
|
|
740
|
$this->error =
|
|
741
|
array("error" => "RCPT not accepted from server",
|
|
742
|
"smtp_code" => $code,
|
|
743
|
"smtp_msg" => substr($rply,4));
|
|
744
|
if($this->do_debug >= 1) {
|
|
745
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
746
|
": " . $rply . $this->CRLF;
|
|
747
|
}
|
|
748
|
return false;
|
|
749
|
}
|
|
750
|
return true;
|
|
751
|
}
|
|
752
|
|
|
753
|
/**
|
|
754
|
* Sends the RSET command to abort and transaction that is
|
|
755
|
* currently in progress. Returns true if successful false
|
|
756
|
* otherwise.
|
|
757
|
*
|
|
758
|
* Implements rfc 821: RSET <CRLF>
|
|
759
|
*
|
|
760
|
* SMTP CODE SUCCESS: 250
|
|
761
|
* SMTP CODE ERROR : 500,501,504,421
|
|
762
|
* @access public
|
|
763
|
* @return bool
|
|
764
|
*/
|
|
765
|
function Reset() {
|
|
766
|
$this->error = null; # so no confusion is caused
|
|
767
|
|
|
768
|
if(!$this->connected()) {
|
|
769
|
$this->error = array(
|
|
770
|
"error" => "Called Reset() without being connected");
|
|
771
|
return false;
|
|
772
|
}
|
|
773
|
|
|
774
|
fputs($this->smtp_conn,"RSET" . $this->CRLF);
|
|
775
|
|
|
776
|
$rply = $this->get_lines();
|
|
777
|
$code = substr($rply,0,3);
|
|
778
|
|
|
779
|
if($this->do_debug >= 2) {
|
|
780
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
781
|
}
|
|
782
|
|
|
783
|
if($code != 250) {
|
|
784
|
$this->error =
|
|
785
|
array("error" => "RSET failed",
|
|
786
|
"smtp_code" => $code,
|
|
787
|
"smtp_msg" => substr($rply,4));
|
|
788
|
if($this->do_debug >= 1) {
|
|
789
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
790
|
": " . $rply . $this->CRLF;
|
|
791
|
}
|
|
792
|
return false;
|
|
793
|
}
|
|
794
|
|
|
795
|
return true;
|
|
796
|
}
|
|
797
|
|
|
798
|
/**
|
|
799
|
* Starts a mail transaction from the email address specified in
|
|
800
|
* $from. Returns true if successful or false otherwise. If True
|
|
801
|
* the mail transaction is started and then one or more Recipient
|
|
802
|
* commands may be called followed by a Data command. This command
|
|
803
|
* will send the message to the users terminal if they are logged
|
|
804
|
* in.
|
|
805
|
*
|
|
806
|
* Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
|
|
807
|
*
|
|
808
|
* SMTP CODE SUCCESS: 250
|
|
809
|
* SMTP CODE SUCCESS: 552,451,452
|
|
810
|
* SMTP CODE SUCCESS: 500,501,502,421
|
|
811
|
* @access public
|
|
812
|
* @return bool
|
|
813
|
*/
|
|
814
|
function Send($from) {
|
|
815
|
$this->error = null; # so no confusion is caused
|
|
816
|
|
|
817
|
if(!$this->connected()) {
|
|
818
|
$this->error = array(
|
|
819
|
"error" => "Called Send() without being connected");
|
|
820
|
return false;
|
|
821
|
}
|
|
822
|
|
|
823
|
fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
|
|
824
|
|
|
825
|
$rply = $this->get_lines();
|
|
826
|
$code = substr($rply,0,3);
|
|
827
|
|
|
828
|
if($this->do_debug >= 2) {
|
|
829
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
830
|
}
|
|
831
|
|
|
832
|
if($code != 250) {
|
|
833
|
$this->error =
|
|
834
|
array("error" => "SEND not accepted from server",
|
|
835
|
"smtp_code" => $code,
|
|
836
|
"smtp_msg" => substr($rply,4));
|
|
837
|
if($this->do_debug >= 1) {
|
|
838
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
839
|
": " . $rply . $this->CRLF;
|
|
840
|
}
|
|
841
|
return false;
|
|
842
|
}
|
|
843
|
return true;
|
|
844
|
}
|
|
845
|
|
|
846
|
/**
|
|
847
|
* Starts a mail transaction from the email address specified in
|
|
848
|
* $from. Returns true if successful or false otherwise. If True
|
|
849
|
* the mail transaction is started and then one or more Recipient
|
|
850
|
* commands may be called followed by a Data command. This command
|
|
851
|
* will send the message to the users terminal if they are logged
|
|
852
|
* in and send them an email.
|
|
853
|
*
|
|
854
|
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
|
|
855
|
*
|
|
856
|
* SMTP CODE SUCCESS: 250
|
|
857
|
* SMTP CODE SUCCESS: 552,451,452
|
|
858
|
* SMTP CODE SUCCESS: 500,501,502,421
|
|
859
|
* @access public
|
|
860
|
* @return bool
|
|
861
|
*/
|
|
862
|
function SendAndMail($from) {
|
|
863
|
$this->error = null; # so no confusion is caused
|
|
864
|
|
|
865
|
if(!$this->connected()) {
|
|
866
|
$this->error = array(
|
|
867
|
"error" => "Called SendAndMail() without being connected");
|
|
868
|
return false;
|
|
869
|
}
|
|
870
|
|
|
871
|
fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
|
|
872
|
|
|
873
|
$rply = $this->get_lines();
|
|
874
|
$code = substr($rply,0,3);
|
|
875
|
|
|
876
|
if($this->do_debug >= 2) {
|
|
877
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
878
|
}
|
|
879
|
|
|
880
|
if($code != 250) {
|
|
881
|
$this->error =
|
|
882
|
array("error" => "SAML not accepted from server",
|
|
883
|
"smtp_code" => $code,
|
|
884
|
"smtp_msg" => substr($rply,4));
|
|
885
|
if($this->do_debug >= 1) {
|
|
886
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
887
|
": " . $rply . $this->CRLF;
|
|
888
|
}
|
|
889
|
return false;
|
|
890
|
}
|
|
891
|
return true;
|
|
892
|
}
|
|
893
|
|
|
894
|
/**
|
|
895
|
* Starts a mail transaction from the email address specified in
|
|
896
|
* $from. Returns true if successful or false otherwise. If True
|
|
897
|
* the mail transaction is started and then one or more Recipient
|
|
898
|
* commands may be called followed by a Data command. This command
|
|
899
|
* will send the message to the users terminal if they are logged
|
|
900
|
* in or mail it to them if they are not.
|
|
901
|
*
|
|
902
|
* Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
|
|
903
|
*
|
|
904
|
* SMTP CODE SUCCESS: 250
|
|
905
|
* SMTP CODE SUCCESS: 552,451,452
|
|
906
|
* SMTP CODE SUCCESS: 500,501,502,421
|
|
907
|
* @access public
|
|
908
|
* @return bool
|
|
909
|
*/
|
|
910
|
function SendOrMail($from) {
|
|
911
|
$this->error = null; # so no confusion is caused
|
|
912
|
|
|
913
|
if(!$this->connected()) {
|
|
914
|
$this->error = array(
|
|
915
|
"error" => "Called SendOrMail() without being connected");
|
|
916
|
return false;
|
|
917
|
}
|
|
918
|
|
|
919
|
fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
|
|
920
|
|
|
921
|
$rply = $this->get_lines();
|
|
922
|
$code = substr($rply,0,3);
|
|
923
|
|
|
924
|
if($this->do_debug >= 2) {
|
|
925
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
926
|
}
|
|
927
|
|
|
928
|
if($code != 250) {
|
|
929
|
$this->error =
|
|
930
|
array("error" => "SOML not accepted from server",
|
|
931
|
"smtp_code" => $code,
|
|
932
|
"smtp_msg" => substr($rply,4));
|
|
933
|
if($this->do_debug >= 1) {
|
|
934
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
935
|
": " . $rply . $this->CRLF;
|
|
936
|
}
|
|
937
|
return false;
|
|
938
|
}
|
|
939
|
return true;
|
|
940
|
}
|
|
941
|
|
|
942
|
/**
|
|
943
|
* This is an optional command for SMTP that this class does not
|
|
944
|
* support. This method is here to make the RFC821 Definition
|
|
945
|
* complete for this class and __may__ be implimented in the future
|
|
946
|
*
|
|
947
|
* Implements from rfc 821: TURN <CRLF>
|
|
948
|
*
|
|
949
|
* SMTP CODE SUCCESS: 250
|
|
950
|
* SMTP CODE FAILURE: 502
|
|
951
|
* SMTP CODE ERROR : 500, 503
|
|
952
|
* @access public
|
|
953
|
* @return bool
|
|
954
|
*/
|
|
955
|
function Turn() {
|
|
956
|
$this->error = array("error" => "This method, TURN, of the SMTP ".
|
|
957
|
"is not implemented");
|
|
958
|
if($this->do_debug >= 1) {
|
|
959
|
echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;
|
|
960
|
}
|
|
961
|
return false;
|
|
962
|
}
|
|
963
|
|
|
964
|
/**
|
|
965
|
* Verifies that the name is recognized by the server.
|
|
966
|
* Returns false if the name could not be verified otherwise
|
|
967
|
* the response from the server is returned.
|
|
968
|
*
|
|
969
|
* Implements rfc 821: VRFY <SP> <string> <CRLF>
|
|
970
|
*
|
|
971
|
* SMTP CODE SUCCESS: 250,251
|
|
972
|
* SMTP CODE FAILURE: 550,551,553
|
|
973
|
* SMTP CODE ERROR : 500,501,502,421
|
|
974
|
* @access public
|
|
975
|
* @return int
|
|
976
|
*/
|
|
977
|
function Verify($name) {
|
|
978
|
$this->error = null; # so no confusion is caused
|
|
979
|
|
|
980
|
if(!$this->connected()) {
|
|
981
|
$this->error = array(
|
|
982
|
"error" => "Called Verify() without being connected");
|
|
983
|
return false;
|
|
984
|
}
|
|
985
|
|
|
986
|
fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
|
|
987
|
|
|
988
|
$rply = $this->get_lines();
|
|
989
|
$code = substr($rply,0,3);
|
|
990
|
|
|
991
|
if($this->do_debug >= 2) {
|
|
992
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
|
993
|
}
|
|
994
|
|
|
995
|
if($code != 250 && $code != 251) {
|
|
996
|
$this->error =
|
|
997
|
array("error" => "VRFY failed on name '$name'",
|
|
998
|
"smtp_code" => $code,
|
|
999
|
"smtp_msg" => substr($rply,4));
|
|
1000
|
if($this->do_debug >= 1) {
|
|
1001
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
|
1002
|
": " . $rply . $this->CRLF;
|
|
1003
|
}
|
|
1004
|
return false;
|
|
1005
|
}
|
|
1006
|
return $rply;
|
|
1007
|
}
|
|
1008
|
|
|
1009
|
/*******************************************************************
|
|
1010
|
* INTERNAL FUNCTIONS *
|
|
1011
|
******************************************************************/
|
|
1012
|
|
|
1013
|
/**
|
|
1014
|
* Read in as many lines as possible
|
|
1015
|
* either before eof or socket timeout occurs on the operation.
|
|
1016
|
* With SMTP we can tell if we have more lines to read if the
|
|
1017
|
* 4th character is '-' symbol. If it is a space then we don't
|
|
1018
|
* need to read anything else.
|
|
1019
|
* @access private
|
|
1020
|
* @return string
|
|
1021
|
*/
|
|
1022
|
function get_lines() {
|
|
1023
|
$data = "";
|
|
1024
|
while($str = fgets($this->smtp_conn,515)) {
|
|
1025
|
if($this->do_debug >= 4) {
|
|
1026
|
echo "SMTP -> get_lines(): \$data was \"$data\"" .
|
|
1027
|
$this->CRLF;
|
|
1028
|
echo "SMTP -> get_lines(): \$str is \"$str\"" .
|
|
1029
|
$this->CRLF;
|
|
1030
|
}
|
|
1031
|
$data .= $str;
|
|
1032
|
if($this->do_debug >= 4) {
|
|
1033
|
echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;
|
|
1034
|
}
|
|
1035
|
# if the 4th character is a space then we are done reading
|
|
1036
|
# so just break the loop
|
|
1037
|
if(substr($str,3,1) == " ") { break; }
|
|
1038
|
}
|
|
1039
|
return $data;
|
|
1040
|
}
|
|
1041
|
|
|
1042
|
}
|
|
1043
|
|
|
1044
|
|
|
1045
|
?>
|