1046 lines
34 KiB
PHP
1046 lines
34 KiB
PHP
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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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/***************************************************************
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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. $msg_data is the message
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* that is to be send with the headers. Each header needs to be
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* on a single line followed by a <CRLF> with the message headers
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* and the message body being seperated by and additional <CRLF>.
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*
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* Implements rfc 821: DATA <CRLF>
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*
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* SMTP CODE INTERMEDIATE: 354
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* [data]
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* <CRLF>.<CRLF>
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* SMTP CODE SUCCESS: 250
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* SMTP CODE FAILURE: 552,554,451,452
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* SMTP CODE FAILURE: 451,554
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* SMTP CODE ERROR : 500,501,503,421
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* @access public
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* @return bool
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*/
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function Data($msg_data) {
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$this->error = null; # so no confusion is caused
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if(!$this->connected()) {
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$this->error = array(
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"error" => "Called Data() without being connected");
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return false;
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}
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fputs($this->smtp_conn,"DATA" . $this->CRLF);
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$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 . $rply;
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}
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if($code != 354) {
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$this->error =
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array("error" => "DATA command 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 . $this->CRLF;
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}
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return false;
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}
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# the server is ready to accept data!
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# according to rfc 821 we should not send more than 1000
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# including the CRLF
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# characters on a single line so we will break the data up
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# into lines by \r and/or \n then if needed we will break
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# each of those into smaller lines to fit within the limit.
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# in addition we will be looking for lines that start with
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# a period '.' and append and additional period '.' to that
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# line. NOTE: this does not count towards are limit.
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# normalize the line breaks so we know the explode works
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$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",$msg_data);
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# we need to find a good way to determine is headers are
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# in the msg_data or if it is a straight msg body
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# currently I'm assuming rfc 822 definitions of msg headers
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# and if the first field of the first line (':' sperated)
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# does not contain a space then it _should_ be a header
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# and we can process all lines before a blank "" line as
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# headers.
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$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
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# smaller lines
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while(strlen($line) > $max_line_length) {
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$pos = strrpos(substr($line,0,$max_line_length)," ");
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# Patch to fix DOS attack
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if(!$pos) {
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$pos = $max_line_length - 1;
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}
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$lines_out[] = substr($line,0,$pos);
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$line = substr($line,$pos + 1);
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# if we are processing headers we need to
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# add a LWSP-char to the front of the new line
|
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# rfc 822 on long msg headers
|
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if($in_headers) {
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$line = "\t" . $line;
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}
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}
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$lines_out[] = $line;
|
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# now send the lines to the server
|
||
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while(list(,$line_out) = @each($lines_out)) {
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if(strlen($line_out) > 0)
|
||
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{
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if(substr($line_out, 0, 1) == ".") {
|
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$line_out = "." . $line_out;
|
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}
|
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}
|
||
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fputs($this->smtp_conn,$line_out . $this->CRLF);
|
||
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}
|
||
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}
|
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|
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# ok all the message data has been sent so lets get this
|
||
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# over with aleady
|
||
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fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
|
||
|
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|
||
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$rply = $this->get_lines();
|
||
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$code = substr($rply,0,3);
|
||
|
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|
||
|
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if($this->do_debug >= 2) {
|
||
|
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
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array("error" => "DATA 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) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Expand takes the name and asks the server to list all the
|
||
|
|
* people who are members of the _list_. Expand will return
|
||
|
|
* back and array of the result or false if an error occurs.
|
||
|
|
* Each value in the array returned has the format of:
|
||
|
|
* [ <full-name> <sp> ] <path>
|
||
|
|
* The definition of <path> is defined in rfc 821
|
||
|
|
*
|
||
|
|
* Implements rfc 821: EXPN <SP> <string> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE FAILURE: 550
|
||
|
|
* SMTP CODE ERROR : 500,501,502,504,421
|
||
|
|
* @access public
|
||
|
|
* @return string array
|
||
|
|
*/
|
||
|
|
function Expand($name) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Expand() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "EXPN not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
# parse the reply and place in our array to return to user
|
||
|
|
$entries = explode($this->CRLF,$rply);
|
||
|
|
while(list(,$l) = @each($entries)) {
|
||
|
|
$list[] = substr($l,4);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $list;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends the HELO command to the smtp server.
|
||
|
|
* This makes sure that we and the server are in
|
||
|
|
* the same known state.
|
||
|
|
*
|
||
|
|
* Implements from rfc 821: HELO <SP> <domain> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE ERROR : 500, 501, 504, 421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Hello($host="") {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Hello() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
# if a hostname for the HELO wasn't specified determine
|
||
|
|
# a suitable one to send
|
||
|
|
if(empty($host)) {
|
||
|
|
# we need to determine some sort of appopiate default
|
||
|
|
# to send to the server
|
||
|
|
$host = "localhost";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Send extended hello first (RFC 2821)
|
||
|
|
if(!$this->SendHello("EHLO", $host))
|
||
|
|
{
|
||
|
|
if(!$this->SendHello("HELO", $host))
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a HELO/EHLO command.
|
||
|
|
* @access private
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function SendHello($hello, $host) {
|
||
|
|
fputs($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: " . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => $hello . " not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->helo_rply = $rply;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets help information on the keyword specified. If the keyword
|
||
|
|
* is not specified then returns generic help, ussually contianing
|
||
|
|
* A list of keywords that help is available on. This function
|
||
|
|
* returns the results back to the user. It is up to the user to
|
||
|
|
* handle the returned data. If an error occurs then false is
|
||
|
|
* returned with $this->error set appropiately.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: HELP [ <SP> <string> ] <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 211,214
|
||
|
|
* SMTP CODE ERROR : 500,501,502,504,421
|
||
|
|
* @access public
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function Help($keyword="") {
|
||
|
|
$this->error = null; # to avoid confusion
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Help() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$extra = "";
|
||
|
|
if(!empty($keyword)) {
|
||
|
|
$extra = " " . $keyword;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 211 && $code != 214) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "HELP not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts a mail transaction from the email address specified in
|
||
|
|
* $from. Returns true if successful or false otherwise. If True
|
||
|
|
* the mail transaction is started and then one or more Recipient
|
||
|
|
* commands may be called followed by a Data command.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE SUCCESS: 552,451,452
|
||
|
|
* SMTP CODE SUCCESS: 500,501,421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Mail($from) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Mail() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "MAIL not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends the command NOOP to the SMTP server.
|
||
|
|
*
|
||
|
|
* Implements from rfc 821: NOOP <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE ERROR : 500, 421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Noop() {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Noop() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"NOOP" . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "NOOP not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends the quit command to the server and then closes the socket
|
||
|
|
* if there is no error or the $close_on_error argument is true.
|
||
|
|
*
|
||
|
|
* Implements from rfc 821: QUIT <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 221
|
||
|
|
* SMTP CODE ERROR : 500
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Quit($close_on_error=true) {
|
||
|
|
$this->error = null; # so there is no confusion
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Quit() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
# send the quit command to the server
|
||
|
|
fputs($this->smtp_conn,"quit" . $this->CRLF);
|
||
|
|
|
||
|
|
# get any good-bye messages
|
||
|
|
$byemsg = $this->get_lines();
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg;
|
||
|
|
}
|
||
|
|
|
||
|
|
$rval = true;
|
||
|
|
$e = null;
|
||
|
|
|
||
|
|
$code = substr($byemsg,0,3);
|
||
|
|
if($code != 221) {
|
||
|
|
# use e as a tmp var cause Close will overwrite $this->error
|
||
|
|
$e = array("error" => "SMTP server rejected quit command",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_rply" => substr($byemsg,4));
|
||
|
|
$rval = false;
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $e["error"] . ": " .
|
||
|
|
$byemsg . $this->CRLF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(empty($e) || $close_on_error) {
|
||
|
|
$this->Close();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $rval;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends the command RCPT to the SMTP server with the TO: argument of $to.
|
||
|
|
* Returns true if the recipient was accepted false if it was rejected.
|
||
|
|
*
|
||
|
|
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250,251
|
||
|
|
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
|
||
|
|
* SMTP CODE ERROR : 500,501,503,421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Recipient($to) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Recipient() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($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:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250 && $code != 251) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "RCPT not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
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
|
||
|
|
*/
|
||
|
|
function Reset() {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Reset() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"RSET" . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "RSET failed",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts a mail transaction from the email address specified in
|
||
|
|
* $from. Returns true if successful or false otherwise. If True
|
||
|
|
* the mail transaction is started and then one or more Recipient
|
||
|
|
* commands may be called followed by a Data command. This command
|
||
|
|
* will send the message to the users terminal if they are logged
|
||
|
|
* in.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE SUCCESS: 552,451,452
|
||
|
|
* SMTP CODE SUCCESS: 500,501,502,421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Send($from) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Send() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "SEND not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts a mail transaction from the email address specified in
|
||
|
|
* $from. Returns true if successful or false otherwise. If True
|
||
|
|
* the mail transaction is started and then one or more Recipient
|
||
|
|
* commands may be called followed by a Data command. This command
|
||
|
|
* will send the message to the users terminal if they are logged
|
||
|
|
* in and send them an email.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE SUCCESS: 552,451,452
|
||
|
|
* SMTP CODE SUCCESS: 500,501,502,421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function SendAndMail($from) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called SendAndMail() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "SAML not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Starts a mail transaction from the email address specified in
|
||
|
|
* $from. Returns true if successful or false otherwise. If True
|
||
|
|
* the mail transaction is started and then one or more Recipient
|
||
|
|
* commands may be called followed by a Data command. This command
|
||
|
|
* will send the message to the users terminal if they are logged
|
||
|
|
* in or mail it to them if they are not.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE SUCCESS: 552,451,452
|
||
|
|
* SMTP CODE SUCCESS: 500,501,502,421
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function SendOrMail($from) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called SendOrMail() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "SOML not accepted from server",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is an optional command for SMTP that this class does not
|
||
|
|
* support. This method is here to make the RFC821 Definition
|
||
|
|
* complete for this class and __may__ be implimented in the future
|
||
|
|
*
|
||
|
|
* Implements from rfc 821: TURN <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250
|
||
|
|
* SMTP CODE FAILURE: 502
|
||
|
|
* SMTP CODE ERROR : 500, 503
|
||
|
|
* @access public
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function Turn() {
|
||
|
|
$this->error = array("error" => "This method, TURN, of the SMTP ".
|
||
|
|
"is not implemented");
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Verifies that the name is recognized by the server.
|
||
|
|
* Returns false if the name could not be verified otherwise
|
||
|
|
* the response from the server is returned.
|
||
|
|
*
|
||
|
|
* Implements rfc 821: VRFY <SP> <string> <CRLF>
|
||
|
|
*
|
||
|
|
* SMTP CODE SUCCESS: 250,251
|
||
|
|
* SMTP CODE FAILURE: 550,551,553
|
||
|
|
* SMTP CODE ERROR : 500,501,502,421
|
||
|
|
* @access public
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
function Verify($name) {
|
||
|
|
$this->error = null; # so no confusion is caused
|
||
|
|
|
||
|
|
if(!$this->connected()) {
|
||
|
|
$this->error = array(
|
||
|
|
"error" => "Called Verify() without being connected");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
|
||
|
|
|
||
|
|
$rply = $this->get_lines();
|
||
|
|
$code = substr($rply,0,3);
|
||
|
|
|
||
|
|
if($this->do_debug >= 2) {
|
||
|
|
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
if($code != 250 && $code != 251) {
|
||
|
|
$this->error =
|
||
|
|
array("error" => "VRFY failed on name '$name'",
|
||
|
|
"smtp_code" => $code,
|
||
|
|
"smtp_msg" => substr($rply,4));
|
||
|
|
if($this->do_debug >= 1) {
|
||
|
|
echo "SMTP -> ERROR: " . $this->error["error"] .
|
||
|
|
": " . $rply . $this->CRLF;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return $rply;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
function get_lines() {
|
||
|
|
$data = "";
|
||
|
|
while($str = fgets($this->smtp_conn,515)) {
|
||
|
|
if($this->do_debug >= 4) {
|
||
|
|
echo "SMTP -> get_lines(): \$data was \"$data\"" .
|
||
|
|
$this->CRLF;
|
||
|
|
echo "SMTP -> get_lines(): \$str is \"$str\"" .
|
||
|
|
$this->CRLF;
|
||
|
|
}
|
||
|
|
$data .= $str;
|
||
|
|
if($this->do_debug >= 4) {
|
||
|
|
echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;
|
||
|
|
}
|
||
|
|
# if the 4th character is a space then we are done reading
|
||
|
|
# so just break the loop
|
||
|
|
if(substr($str,3,1) == " ") { break; }
|
||
|
|
}
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
?>
|