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PHP模拟SMTP发送邮件的类

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PHP模拟SMTP发送邮件的类

<?php

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

filename：mail.class.php

describe：邮箱的配置，经测试可以适用于Linux和windows

function：检查邮箱的合法性，发送基本的邮箱验证信息

author： etongchina@gmail.com

time： 2008-03-06 20:15

checked： 2008-03-11 01:03

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

class SEND_MAIL{

/* Public Variables */

public $smtp_port;

public $from;

public $time_out;

public $host_name;

public $log_file;

public $relay_host;

public $debug;

public $auth;//需要auth身份验证吗?

public $user;

public $pass;

private $sock;

//给类变量赋值定义构造器

public function __construct($auth = FALSE)

{

$this->debug = FALSE;

$this->relay_host = "smtp.163.com";//服务器名称

$this->smtp_port = 25;//服务器端口默认为25 yahoo.cn为465

$this->time_out = 30; //is used in fsockopen() 默认：30s #

$this->auth = $auth;

$this->from = "zhoufeng0128@163.com
";

$this->user = "zhoufeng0128";//邮箱用户名

$this->pass = "XXXX"; //邮箱密码

$this->host_name = "localhost"; //is used in HELO command

$this->log_file = "";

$this->sock = FALSE;

}

/* Main Function */

function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = ""){

$mail_from = $this->get_address($this->strip_comment($from));

$body = ereg_replace("(^|(/r/n))(/.)", "/1./3", $body);

$header .= "MIME-Version:1.0/r/n";

if($mailtype=="HTML"){

$header .= "Content-Type:text/html/r/n";

}

$header .= "To: ".$to."/r/n";

if ($cc != "") {

$header .= "Cc: ".$cc."/r/n";

}

$header .= "From: $from<".$from.">/r/n";

$header .= "Subject: ".$subject."/r/n";

$header .= $additional_headers;

$header .= "Date: ".date("r")."/r/n";

$header .= "X-Mailer:By Redhat (PHP/".phpversion().")/r/n";

list($msec, $sec) = explode(" ", microtime());

$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">/r/n";

$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 host/n");

}

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");

}

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 <CR><LF>.<CR><LF> [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->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->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, $header."/r/n".$body);

$this->smtp_debug("> ".str_replace("/r/n", "/n"."> ", $header."/n> ".$body."/n> "));

return TRUE;

}

function smtp_eom(){

fputs($this->sock, "/r/n./r/n");

$this->smtp_debug(". [EOM]/n");

return $this->smtp_ok();

}

function smtp_ok(){

$response = str_replace("/r/n", "", fgets($this->sock, 512));

$this->smtp_debug($response."/n");

if (!ereg("^[23]", $response)) {

fputs($this->sock, "QUIT/r/n");

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."/r/n");

$this->smtp_debug("> ".$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;;

}

if ($this->debug)

{//是否显示调试信息

flock($fp, LOCK_EX);

fputs($fp, $message);

}

fclose($fp);

return TRUE;

}

function strip_comment($address){

$comment = "/([^()]*/)";

while (ereg($comment, $address)) {

$address = ereg_replace($comment, "", $address);

}

return $address;

}

function get_address($address){

$address = ereg_replace("([ /t/r/n])+", "", $address);

$address = ereg_replace("^.*<(.+)>.*$", "/1", $address);

return $address;

}

function smtp_debug($message){

if ($this->debug) {

echo $message;

}

}

}

?>

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