Full Mail send class _php tutorial

Full Mail Send class
Class SMTP
{
/* Public Variables */
var $smtp _port;
var $time _out;
var $host _name;
var $log _file;
var $relay _host;
var $debug;
var $auth;
var $user;
var $pass;

/* Private Variables */
var $sock;

/* Constractor */
Function smtp ($relay _host = "", $smtp _port = +, $auth = False, $user, $pass)
{
$this->deb UG = FALSE;
$this->smtp_port = $smtp _port;
$this->relay_host = $relay _host;
$this->time_out =//is used in Fsockopen ()
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
$this->host_name = "localhost";//is used in HELO command
$this->log_file = "";
$this->sock = FALSE;
}

/* Main function */
Function SendMail ($to, $from, $fromname, $subject = "", $body = "", $mailtype, $cc = "", $BCC = "", $additional _headers = "") {
$mail _from = $this->get_address ($this->strip_comment ($from));
$body = Ereg_replace ("(^| ( RN)) (.) "," 1.3 ", $body);
$header. = "Mime-version:1.0rn";
if ($mailtype = = "HTML") {
$header. = "Content-type:text/html;charset=utf-8rn";
}
$header. = "To:" $to. " RN ";
if ($cc! = "") {
$header. = "cc:". $cc. " RN ";
}
$header. = "From: $fromname <". $fromname. " >rn ";
$header. = "Subject:". $subject. " RN ";
$header. = $additional _headers;
$header. = "Date:". Date ("R"). " RN ";
$header. = "X-mailer:by Redhat (php/"). PHP tutorial Version (). ") RN ";
List ($msec, $sec) = Explode ("", Microtime ());
$header. = "Message-id: <". Date ("Ymdhis", $sec). ".". ($msec *1000000). ".". $mail _from. " >rn ";
$TO = Explode (",", $this->strip_comment ($to));

if ($cc! = "") {
$TO = Array_merge ($TO, Explode (",", $this->strip_comment ($CC)));
}
if ($bcc! = "") {
$TO = Array_merge ($TO, Explode (",", $this->strip_comment ($BCC)));
}
$sent = TRUE;
foreach ($TO as $rcpt _to) {
$RCPT _to = $this->get_address ($rcpt _to);
if (! $this->smtp_sockopen ($rcpt _to)) {
$this->log_write ("Error:cannot send email to". $rcpt _to. " n ");
$sent = FALSE;
Continue
}
if ($this->smtp_send ($this->host_name, $mail _from, $rcpt _to, $header, $body)) {
$this->log_write ("e-mail has been sent to <". $rcpt _to. " >n ");
}else{
$this->log_write ("Error:cannot Send email to <". $rcpt _to. " >n ");
$sent = FALSE;
}
Fclose ($this->sock);
$this->log_write ("Disconnected from remote Hostn");
}
return $sent;
}

/* Private Functions */
function Smtp_send ($helo, $from, $to, $header, $body = "") {
if (! $this->smtp_putcmd ("HELO", $helo)) {
return $this->smtp_error ("Sending HELO command");
}

#auth
if ($this->auth) {
if (! $this->smtp_putcmd ("AUTH LOGIN", Base64_encode ($this->user))) {
return $this->smtp_error ("Sending HELO command");
}
if (! $this->smtp_putcmd ("", Base64_encode ($this->pass)) {
return $this->smtp_error ("Sending HELO command");
}
}
if (! $this->smtp_putcmd ("MAIL", "from:<". $from. " > ")) {
return $this->smtp_error ("Sending MAIL from command");
}
if (! $this->smtp_putcmd ("RCPT", "to:<". $to. " > ")) {
return $this->smtp_error ("Sending RCPT to command");
}
if (! $this->smtp_putcmd ("DATA")) {
return $this->smtp_error ("Sending DATA command");
}
if (! $this->smtp_message ($header, $body)) {
return $this->smtp_error ("Sending message");
}
if (! $this->smtp_eom ()) {
return $this->smtp_error ("Sending . [EOM] ");
}
if (! $this->smtp_putcmd ("QUIT")) {
return $this->smtp_error ("Sending QUIT command");
}
return TRUE;
}

function Smtp_sockopen ($address) {
if ($this->relay_host = = "") {
return $this->smtp_sockopen_mx ($address);
}
else{
return $this->smtp_sockopen_relay ();
}
}

function Smtp_sockopen_relay () {
$this->log_write ("Trying to". $this->relay_host. ":". $this->smtp_port. " n ");
$this->sock = @fsockopen ($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (! ( $this->sock && $this-&GT;SMTP_OK ())) {
$this->log_write ("Error:cannot connenct to relay host". $this->relay_host. " n ");
$this->log_write ("Error:". $errstr. " (". $errno.") n ");
return FALSE;
}
$this->log_write ("Connected to relay Host". $this->relay_host. " n ");
return TRUE;;
}

function Smtp_sockopen_mx ($address) {
$domain = Ereg_replace ("^.+@ ([^@]+) $", "1", $address);
if (! @getmxrr ($domain, $MXHOSTS)) {
$this->log_write ("error:cannot resolve MX" ". $domain." n ");
return FALSE;
}
foreach ($MXHOSTS as $host) {
$this->log_write ("Trying to". $host. ":". $this->smtp_port. " n ");
$this->sock = @fsockopen ($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (! ( $this->sock && $this-&GT;SMTP_OK ())) {
$this->log_write ("Warning:cannot Connect to MX host". $host. " n ");
$this->log_write ("Error:". $errstr. " (". $errno.") n ");
Continue
}
$this->log_write ("Connected to MX host". $host. " n ");
return TRUE;
}
$this->log_write ("Error:cannot connect to any MX hosts (". Implode (",", $MXHOSTS). ") n ");
return FALSE;
}

function Smtp_message ($header, $body) {
Fputs ($this->sock, $header. " RN ". $body);
$this->smtp_debug (">". Str_replace ("RN", "N". " > ", $header." N> ". $body." N> "));
return TRUE;
}

function Smtp_eom () {
Fputs ($this->sock, "Rn.rn");
$this->smtp_debug (". [Eom]n ");
return $this->SMTP_OK ();
}

function Smtp_ok () {
$response = Str_replace ("rn", "", Fgets ($this->sock, 512));
$this->smtp_debug ($response. " n ");
if (!ereg ("^[23]", $response)) {
Fputs ($this->sock, "quitrn");
Fgets ($this->sock, 512);
$this->log_write ("Error:remote host returned" ". $response." n ");
return FALSE;
}
return TRUE;
}

function Smtp_putcmd ($cmd, $arg = "") {
if ($arg! = "") {
if ($cmd = = "") {
$cmd = $arg;
}
else{
$cmd = $cmd. " ". $arg;
}
}
Fputs ($this->sock, $cmd. " RN ");
$this->smtp_debug (">". $cmd. " n ");
return $this->SMTP_OK ();
}

function Smtp_error ($string) {
$this->log_write ("Error:error occurred while". $string. ". n ");
return FALSE;
}

function Log_write ($message) {
$this->smtp_debug ($message);
if ($this->log_file = = "") {
return TRUE;
}
$message = Date ("M D h:i:s"). Get_current_user (). " [". Getmypid ()."]: ". $message;
if (! @file_exists ($this->log_file) | |! ( $fp = @fopen ($this->log_file, "a")) {
$this->smtp_debug ("Warning:cannot Open log File" ". $this->log_file." n ");
return FALSE;;
}
Flock ($FP, LOCK_EX);
Fputs ($fp, $message);
Fclose ($FP);
return TRUE;
}

function Strip_comment ($address) {//Remove "()"
$comment = "([^ ()]*)";
while (Ereg ($comment, $address)) {
$address = ereg_replace ($comment, "", $address);
}
return $address;
}

function Get_address ($address) {
$address = Ereg_replace ("([trn]) +", "", $address)//t tab r Carriage N newline character + match preceding subexpression one or more times
$address = Ereg_replace ("^.*< (. +) >.*$", "1", $address);
return $address;
}

function Smtp_debug ($message) {
if ($this->debug) {
Echo $message;
}
}
}

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