<?php
//smtp.class.php
set_time_limit(120);
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;
var $sender;
/* Private Variables */
var $sock;
/* Constractor */
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass,$sender)
{
$this->debug = FALSE;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 30; //is used in fsockopen()
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
$this->sender = $sender;
$this->host_name = "localhost"; //is used in HELO command
$this->log_file = "";
$this->logs = ""; //記錄跟服務器的交互過程
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{
$sent = TRUE;
$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";
$header .= "From: ".$from."/r/n";
$header .= "Subject: ".$subject."/r/n";
$header .= $additional_headers;
$header .= "Date: ".date("r")."/r/n";
$header .= "X-Mailer: 72e.net (PHP/".phpversion().")/r/n";
list($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)));
}
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 $this->smtp_error("sending HELO command");
}
#auth
if($this->auth){
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
return $this->smtp_error("sending AUTH command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
return $this->smtp_error("sending AUTH command");
}
}
#
//if (!$this->smtp_putcmd("MAIL", "FROM:".$from."")) {
if (!$this->smtp_putcmd("MAIL", "FROM:<".$this->sender.">")) {
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));
//echo "response=".$response."/r/n";
$this->smtp_debug($response."/n");
//echo "ereg 23 ==".ereg("^[23]", $response)."/n";
if (!ereg("^[23]", $response)) {
//echo "@@@@@";
fputs($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");
//echo "cmd=".$cmd."/r/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->logs .= $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)
{
$comment = "/([^()]*/)";
while (ereg($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;
}
}
} // end class
?>
SendMail.php
<?php
header('Content-type:text/html;charset=gb2312');
include "smtp.class.php";
//smtp服務器的地址
$smtpserver = "smtp.163.com"; // 163
//smtp服務器的端口，一般是 25
$port = 25 ;
//smtp服務器的用戶名
$smtpuser = "**@163.com";
//smtp服務器的密碼
$smtppwd = "*****";
//郵件的類型，可選值是 TXT 或 HTML ,TXT 表示是純文本的郵件,HTML 表示是 html格式的郵件
$mailtype = "HTML";
//發件人,一般要與您登錄smtp服務器的用戶名($smtpuser)相同,否則可能會因爲smtp服務器的設置導致發送失敗
$sender = "**@163.com";
//收件人
$to = "[email protected]";
// 主題
$subject = "你好";
$smtp = new smtp($smtpserver,$port,true,$smtpuser,$smtppwd,$sender);
$smtp->debug = true; //是否開啓調試,只在測試程序時使用，正式使用時請將此行註釋
$body = "<h1>這是一個用 <font color='red'><b> php socket </b></font> 發郵件的測試。
支持SMTP認證！</h1>
";
$send=$smtp->sendmail($to,$sender,$subject,$body,$mailtype);
if($send==1){
echo "郵件發送成功";
}else{
echo "郵件發送失敗<br>";
echo "原因：".$smtp->logs;
}
