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【PHP】 smtp类
作者:seabee / 发布于2013/10/11/ 480
用来发邮件的。wamp、ubuntu下都能正常使用。

	<?php
	class smtp
	{
	 /* Public Variables */
	 var $smtp_port; //smtp_port 端口号
	 var $time_out;
	 var $host_name; //服务器主机名
	 var $log_file;
	 var $relay_host; //服务器主机地址
	 var $debug;
	 var $auth; //验证
	 var $user; //服务器用户名
	 var $pass; //服务器密码
	
	 /* Private Variables */
	 var $sock;
	
	 /* Constractor 构造方法*/
	 function smtp($relay_host = "", $smtp_port = 25, $auth = false, $user, $pass)
	 {
	 $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->host_name = "localhost"; //is used in HELO command
	 // $this->host_name = "smtp.163.com"; //is used in HELO command
	 $this->log_file = "";
	
	 $this->sock = FALSE;
	 }
	
	 /* Main Function */
	 function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
	 {
	 $header = "";
	 $mail_from = $this->get_address($this->strip_comment($from));
	 $body = mb_ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", $body);
	 $header .= "MIME-Version:1.0\r\n";
	 if ($mailtype == "HTML") { //邮件发送类型
	 //$header .= "Content-Type:text/html\r\n";
	 $header .= 'Content-type: text/html; charset=utf-8' . "\r\n";
	 }
	 $header .= "To: " . $to . "\r\n";
	 if ($cc != "") {
	 $header .= "Cc: " . $cc . "\r\n";
	 }
	 $header .= "From: " . $from . "\r\n";
	 // $header .= "From: $from<".$from.">\r\n"; //这里只显示邮箱地址，不够人性化
	 $header .= "Subject: " . $subject . "\r\n";
	 $header .= $additional_headers;
	 $header .= "Date: " . date("r") . "\r\n";
	 $header .= "X-Mailer:By (PHP/" . phpversion() . ")\r\n";
	 list($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))); //合并一个或多个数组
	 }
	
	 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");
	 }
	 echo "";
	 //echo $header;
	 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 <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 (!mb_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 \"" . $this->log_file . "\"\n");
	 return FALSE;
	 }
	 flock($fp, LOCK_EX);
	 fputs($fp, $message);
	 fclose($fp);
	
	 return TRUE;
	 }
	
	 function strip_comment($address)
	 {
	 $comment = "\\([^()]*\\)";
	 while (mb_ereg($comment, $address)) {
	 $address = mb_ereg_replace($comment, "", $address);
	 }
	
	 return $address;
	 }
	
	 function get_address($address)
	 {
	 $address = mb_ereg_replace("([ \t\r\n])+", "", $address);
	 $address = mb_ereg_replace("^.*<(.+)>.*$", "\\1", $address);
	
	 return $address;
	 }
	
	 function smtp_debug($message)
	 {
	 if ($this->debug) {
	 echo $message . "";
	 }
	 }
	
	 function get_attach_type($image_tag) //
	 {
	
	 $filedata = array();
	
	 $img_file_con = fopen($image_tag, "r");
	 unset($image_data);
	 while ($tem_buffer = AddSlashes(fread($img_file_con, filesize($image_tag))))
	 $image_data .= $tem_buffer;
	 fclose($img_file_con);
	
	 $filedata['context'] = $image_data;
	 $filedata['filename'] = basename($image_tag);
	 $extension = substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));
	 switch ($extension) {
	 case ".gif":
	 $filedata['type'] = "image/gif";
	 break;
	 case ".gz":
	 $filedata['type'] = "application/x-gzip";
	 break;
	 case ".htm":
	 $filedata['type'] = "text/html";
	 break;
	 case ".html":
	 $filedata['type'] = "text/html";
	 break;
	 case ".jpg":
	 $filedata['type'] = "image/jpeg";
	 break;
	 case ".tar":
	 $filedata['type'] = "application/x-tar";
	 break;
	 case ".txt":
	 $filedata['type'] = "text/plain";
	 break;
	 case ".zip":
	 $filedata['type'] = "application/zip";
	 break;
	 default:
	 $filedata['type'] = "application/octet-stream";
	 break;
	 }
	
	
	 return $filedata;
	 }
	
	}

	

	

	使用方法:

	email.demo.php

	?
	<?php
	require 'email.class.php';

	$mailto='13800000000@139.com'; //收件人
	$subject="测试邮件"; //邮件主题
	$body=date('时间：Y年m月d日 H:i:s'); //邮件内容
	sendmailto($mailto,$subject,$body);
	echo "finish".date('时间：Y年m月d日 H:i');


	function sendmailto($mailto, $mailsub, $mailbd)
	{
	 //require_once ('email.class.php');
	 //##########################################
	 $smtpserver = "smtp.163.com"; //SMTP服务器
	 $smtpserverport = 25; //SMTP服务器端口
	 $smtpusermail = "提醒 <mservice@163.com>"; //SMTP服务器的用户邮箱
	 $smtpemailto = $mailto;
	 $smtpuser = "mservice@163.com"; //SMTP服务器的用户帐号
	 $smtppass = "12345678"; //SMTP服务器的用户密码
	 $mailsubject = $mailsub; //邮件主题
	 $mailsubject = "=?UTF-8?B?" . base64_encode($mailsubject) . "?="; //防止乱码
	 $mailbody = $mailbd; //邮件内容
	 //$mailbody = "=?UTF-8?B?".base64_encode($mailbody)."?="; //防止乱码
	 $mailtype = "HTML"; //邮件格式（HTML/TXT）,TXT为文本邮件. 139邮箱的短信提醒要设置为HTML才正常
	 ##########################################
	 $smtp = new smtp($smtpserver, $smtpserverport, true, $smtpuser, $smtppass); //这里面的一个true是表示使用身份验证,否则不使用身份验证.
	 $smtp->debug = FALSE; //是否显示发送的调试信息
	 $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
	
	}
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