<?php

/*~ class.smtp.php

.---------------------------------------------------------------------------.

| Software: PHPMailer - PHP email class |

| Version: 2.0.2 |

| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |

| Info: http://phpmailer.sourceforge.net |

| Support: http://sourceforge.net/projects/phpmailer/ |

| ------------------------------------------------------------------------- |

| Author: Andy Prevost (project admininistrator) |

| Author: Brent R. Matzelle (original founder) |

| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved. |

| Copyright (c) 2001-2003, Brent R. Matzelle |

| ------------------------------------------------------------------------- |

| License: Distributed under the Lesser General Public License (LGPL) |

| http://www.gnu.org/copyleft/lesser.html |

| This program is distributed in the hope that it will be useful - WITHOUT |

| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |

| FITNESS FOR A PARTICULAR PURPOSE. |

| ------------------------------------------------------------------------- |

| We offer a number of paid services (www.codeworxtech.com): |

| - Web Hosting on highly optimized fast and secure servers |

| - Technology Consulting |

| - Oursourcing (highly qualified programmers and graphic designers) |

'---------------------------------------------------------------------------'

*/

/**

* SMTP is rfc 821 compliant and implements all the rfc 821 SMTP

* commands except TURN which will always return a not implemented

* error. SMTP also provides some utility methods for sending mail

* to an SMTP server.

* @package PHPMailer

* @author Chris Ryan

*/

class SMTP

{

/**

* SMTP server port

* @var int

*/

var $SMTP_PORT = 25;

/**

* SMTP reply line ending

* @var string

*/

var $CRLF = "\r\n";

/**

* Sets whether debugging is turned on

* @var bool

*/

var $do_debug; # the level of debug to perform

/**

* Sets VERP use on/off (default is off)

* @var bool

*/

var $do_verp = false;

/**#@+

* @access private

*/

var $smtp_conn; # the socket to the server

var $error; # error if any on the last call

var $helo_rply; # the reply the server sent to us for HELO

/**#@-*/

/**

* Initialize the class so that the data is in a known state.

* @access public

* @return void

*/

function SMTP() {

$this->smtp_conn = 0;

$this->error = null;

$this->helo_rply = null;

$this->do_debug = 0;

}

/*************************************************************

* CONNECTION FUNCTIONS *

***********************************************************/

/**

* Connect to the server specified on the port specified.

* If the port is not specified use the default SMTP_PORT.

* If tval is specified then a connection will try and be

* established with the server for that number of seconds.

* If tval is not specified the default is 30 seconds to

* try on the connection.

*

* SMTP CODE SUCCESS: 220

* SMTP CODE FAILURE: 421

* @access public

* @return bool

*/

function Connect($host,$port=0,$tval=30) {

# set the error val to null so there is no confusion

$this->error = null;

# make sure we are __not__ connected

if($this->connected()) {

# ok we are connected! what should we do?

# for now we will just give an error saying we

# are already connected

$this->error = array("error" => "Already connected to a server");

return false;

}

if(empty($port)) {

$port = $this->SMTP_PORT;

}

#connect to the smtp server

$this->smtp_conn = fsockopen($host, # the host of the server

$port, # the port to use

$errno, # error number if any

$errstr, # error message if any

$tval); # give up after ? secs

# verify we connected properly

if(empty($this->smtp_conn)) {

$this->error = array("error" => "Failed to connect to server",

"errno" => $errno,

"errstr" => $errstr);

if($this->do_debug >= 1) {

echo "SMTP -> ERROR: " . $this->error["error"] .

": $errstr ($errno)" . $this->CRLF;

}

return false;

}

# sometimes the SMTP server takes a little longer to respond

# so we will give it a longer timeout for the first read

// Windows still does not have support for this timeout function

if(substr(PHP_OS, 0, 3) != "WIN")

socket_set_timeout($this->smtp_conn, $tval, 0);

# get any announcement stuff

$announce = $this->get_lines();

# set the timeout of any socket functions at 1/10 of a second

//if(function_exists("socket_set_timeout"))

// socket_set_timeout($this->smtp_conn, 0, 100000);

if($this->do_debug >= 2) {

echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;

}

return true;

}

/**

* Performs SMTP authentication. Must be run after running the

* Hello() method. Returns true if successfully authenticated.

* @access public

* @return bool

*/

function Authenticate($username, $password) {

// Start authentication

fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);

$rply = $this->get_lines();

$code = substr($rply,0,3);

if($code != 334) {

$this->error =

array("error" => "AUTH 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;

}

// Send encoded username

fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);

$rply = $this->get_lines();

$code = substr($rply,0,3);

if($code != 334) {

$this->error =

array("error" => "Username 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;

}

// Send encoded password

fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);

$rply = $this->get_lines();

$code = substr($rply,0,3);

if($code != 235) {

$this->error =

array("error" => "Password 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;

}

/**

* Returns true if connected to a server otherwise false

* @access private

* @return bool

*/

function Connected() {

if(!empty($this->smtp_conn)) {

$sock_status = socket_get_status($this->smtp_conn);

if($sock_status["eof"]) {

# hmm this is an odd situation... the socket is

# valid but we are not connected anymore

if($this->do_debug >= 1) {

echo "SMTP -> NOTICE:" . $this->CRLF .

"EOF caught while checking if connected";

}

$this->Close();

return false;

}

return true; # everything looks good

}

return false;

}

/**

* Closes the socket and cleans up the state of the class.

* It is not considered good to use this function without

* first trying to use QUIT.

* @access public

* @return void

*/

function Close() {

$this->error = null; # so there is no confusion

$this->helo_rply = null;

if(!empty($this->smtp_conn)) {

# close the connection and cleanup

fclose($this->smtp_conn);

$this->smtp_conn = 0;

}

}

/***************************************************************

* SMTP COMMANDS *

*************************************************************/

/**

* Issues a data command and sends the msg_data to the server

* finializing the mail transaction. $msg_data is the message

* that is to be send with the headers. Each header needs to be

* on a single line followed by a <CRLF> with the message headers

* and the message body being seperated by and additional <CRLF>.

*

* Implements rfc 821: DATA <CRLF>

*

* SMTP CODE INTERMEDIATE: 354

* [data]

* <CRLF>.<CRLF>

* SMTP CODE SUCCESS: 250

* SMTP CODE FAILURE: 552,554,451,452

* SMTP CODE FAILURE: 451,554

* SMTP CODE ERROR : 500,501,503,421

* @access public

* @return bool

*/

function Data($msg_data) {

$this->error = null; # so no confusion is caused

if(!$this->connected()) {

$this->error = array(

"error" => "Called Data() without being connected");

return false;

}

fputs($this->smtp_conn,"DATA" . $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 != 354) {

$this->error =

array("error" => "DATA command 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;

}

# the server is ready to accept data!

# according to rfc 821 we should not send more than 1000

# including the CRLF

# characters on a single line so we will break the data up

# into lines by \r and/or \n then if needed we will break

# each of those into smaller lines to fit within the limit.

# in addition we will be looking for lines that start with

# a period '.' and append and additional period '.' to that

# line. NOTE: this does not count towards are limit.

# normalize the line breaks so we know the explode works

$msg_data = str_replace("\r\n","\n",$msg_data);

$msg_data = str_replace("\r","\n",$msg_data);

$lines = explode("\n",$msg_data);

# we need to find a good way to determine is headers are

# in the msg_data or if it is a straight msg body

# currently I am assuming rfc 822 definitions of msg headers

# and if the first field of the first line (':' sperated)

# does not contain a space then it _should_ be a header

# and we can process all lines before a blank "" line as

# headers.

$field = substr($lines[0],0,strpos($lines[0],":"));

$in_headers = false;

if(!empty($field) && !strstr($field," ")) {

$in_headers = true;

}

$max_line_length = 998; # used below; set here for ease in change

while(list(,$line) = @each($lines)) {

$lines_out = null;

if($line == "" && $in_headers) {

$in_headers = false;

}

# ok we need to break this line up into several

# smaller lines

while(strlen($line) > $max_line_length) {

$pos = strrpos(substr($line,0,$max_line_length)," ");

# Patch to fix DOS attack

if(!$pos) {

$pos = $max_line_length - 1;

}

$lines_out[] = substr($line,0,$pos);

$line = substr($line,$pos + 1);

# if we are processing headers we need to

# add a LWSP-char to the front of the new line

# rfc 822 on long msg headers

if($in_headers) {

$line = "\t" . $line;

}

}

$lines_out[] = $line;

# now send the lines to the server

while(list(,$line_out) = @each($lines_out)) {

if(strlen($line_out) > 0)

{

if(substr($line_out, 0, 1) == ".") {

$line_out = "." . $line_out;

}

}

fputs($this->smtp_conn,$line_out . $this->CRLF);

}

}

# ok all the message data has been sent so lets get this

# over with aleady

fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);

$rply = $this->get_lines();

$code = substr($rply,0,3);

if($this->do_debug >= 2) {

echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;

}

if($code != 250) {

$this->error =

array("error" => "DATA 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;

}

/**

* 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 was not 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;

}

$useVerp = ($this->do_verp ? "XVERP" : "");

fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);

$rply = $this->get_lines();

$code = substr($rply,0,3);

if($this->do_debug >= 2) {

echo "SMTP -> FROM SERVER:" . $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;