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【PHP】发邮件
作者:Hardy / 发布于2015/10/13/ 610

	会使用到邮件发送到某个用户，以下类库以及调用方法
	邮件类
	<?php
	//邮件
	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 $from;
	var $test=&ldquo;test&rdquo;;/* Private Variables */
	var $sock;/* Constractor */
	function smtp($relay_host = &ldquo;&rdquo;, $smtp_port = 25,$auth = false,$user,$pass,$from)
	{
	$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->from = $from;
	#
	$this->host_name = &ldquo;localhost&rdquo;; //is used in HELO command
	$this->log_file = &ldquo;&rdquo;;
	$this->sock = FALSE;
	}
	/* Main Function */
	function sendmail($to,$fromname=&ldquo;&rdquo;,$subject = &ldquo;&rdquo;, $body = &ldquo;&rdquo;, $mailtype, $cc = &ldquo;&rdquo;, $bcc = &ldquo;&rdquo;, $additional_headers = &ldquo;&rdquo;)
	{
	$mail_from = $this->get_address($this->strip_comment($this->from));
	$body = ereg_replace(&ldquo;(^|(\r\n))(\.)&rdquo;, &ldquo;\1.\3&Prime;, $body);
	$header = &ldquo;MIME-Version:1.0\r\n&rdquo;;
	if($mailtype==&ldquo;HTML&rdquo;){
	$header .= &ldquo;Content-Type:text/html\r\n&rdquo;;
	}
	$header .= &ldquo;To: &ldquo;.$to.&ldquo;\r\n&rdquo;;
	if ($cc != &ldquo;&rdquo;) {
	$header .= &ldquo;Cc: &ldquo;.$cc.&ldquo;\r\n&rdquo;;
	}
	if ($fromname!=&ldquo;&rdquo;) $header .= &ldquo;From: &ldquo;.$fromname.&ldquo;<&ldquo;.$this->from.&ldquo;>\r\n&rdquo;;
	if ($fromname==&ldquo;&rdquo;) $header .= &ldquo;From:<&ldquo;.$this->from.&ldquo;>\r\n&rdquo;;
	$header .= &ldquo;Subject: &ldquo;.$subject.&ldquo;\r\n&rdquo;;
	$header .= $additional_headers;
	$header .= &ldquo;Date: &ldquo;.date(&ldquo;r&rdquo;).&ldquo;\r\n&rdquo;;
	$header .= &ldquo;X-Mailer:By Redhat (PHP/&rdquo;.phpversion().&ldquo;)\r\n&rdquo;;
	$utfheader=iconv(&ldquo;GBK&rdquo;,&ldquo;UTF-8//IGNORE&rdquo;,$header);
	list($msec, $sec) = explode(&rdquo; &ldquo;, microtime());
	$header .= &ldquo;Message-ID: <&ldquo;.date(&ldquo;YmdHis&rdquo;, $sec).&ldquo;.&rdquo;.($msec*1000000).&ldquo;.&rdquo;.$mail_from.&ldquo;>\r\n&rdquo;;
	$TO = explode(&ldquo;,&rdquo;, $this->strip_comment($to));
	if ($cc != &ldquo;&rdquo;) {
	$TO = array_merge($TO, explode(&ldquo;,&rdquo;, $this->strip_comment($cc)));
	}
	if ($bcc != &ldquo;&rdquo;) {
	$TO = array_merge($TO, explode(&ldquo;,&rdquo;, $this->strip_comment($bcc)));
	}
	$sent = TRUE;
	foreach ($TO as $rcpt_to) {
	$rcpt_to = $this->get_address($rcpt_to);
	if (!$this->smtp_sockopen($rcpt_to)) {
	$this->log_write(&ldquo;Error: Cannot send email to &ldquo;.$rcpt_to.&ldquo;\n&rdquo;);
	$sent = FALSE;
	continue;
	}
	if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $utfheader, $body)) {
	$this->log_write(&ldquo;E-mail has been sent to <&ldquo;.$rcpt_to.&ldquo;>\n&rdquo;);
	} else {
	$this->log_write(&ldquo;Error: Cannot send email to <&ldquo;.$rcpt_to.&ldquo;>\n&rdquo;);
	$sent = FALSE;
	}
	fclose($this->sock);
	$this->log_write(&ldquo;Disconnected from remote host\n&rdquo;);
	}
	return $sent;
	}
	/* Private Functions */
	function smtp_send($helo, $from, $to, $header, $body = &ldquo;&rdquo;)
	{
	if (!$this->smtp_putcmd(&ldquo;HELO&rdquo;, $helo)) {
	return $this->smtp_error(&ldquo;sending HELO command&rdquo;);
	}
	#auth
	if($this->auth){
	if (!$this->smtp_putcmd(&ldquo;AUTH LOGIN&rdquo;, base64_encode($this->user))) {
	return $this->smtp_error(&ldquo;sending HELO command&rdquo;);
	}
	if (!$this->smtp_putcmd(&ldquo;&rdquo;, base64_encode($this->pass))) {
	return $this->smtp_error(&ldquo;sending HELO command&rdquo;);
	}
	}
	#
	if (!$this->smtp_putcmd(&ldquo;MAIL&rdquo;, &ldquo;FROM:<&ldquo;.$from.&ldquo;>&rdquo;)) {
	return $this->smtp_error(&ldquo;sending MAIL FROM command&rdquo;);
	}
	if (!$this->smtp_putcmd(&ldquo;RCPT&rdquo;, &ldquo;TO:<&ldquo;.$to.&ldquo;>&rdquo;)) {
	return $this->smtp_error(&ldquo;sending RCPT TO command&rdquo;);
	}
	if (!$this->smtp_putcmd(&ldquo;DATA&rdquo;)) {
	return $this->smtp_error(&ldquo;sending DATA command&rdquo;);
	}
	if (!$this->smtp_message($header, $body)) {
	return $this->smtp_error(&ldquo;sending message&rdquo;);
	}
	if (!$this->smtp_eom()) {
	return $this->smtp_error(&ldquo;sending <CR><LF>.<CR><LF> [EOM]&rdquo;);
	}
	if (!$this->smtp_putcmd(&ldquo;QUIT&rdquo;)) {
	return $this->smtp_error(&ldquo;sending QUIT command&rdquo;);
	}
	return TRUE;
	}
	function smtp_sockopen($address)
	{
	if ($this->relay_host == &ldquo;&rdquo;) {
	return $this->smtp_sockopen_mx($address);
	} else {
	return $this->smtp_sockopen_relay();
	}
	}
	function smtp_sockopen_relay()
	{
	$this->log_write(&ldquo;Trying to &ldquo;.$this->relay_host.&ldquo;:&rdquo;.$this->smtp_port.&ldquo;\n&rdquo;);
	$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
	if (!($this->sock && $this->smtp_ok())) {
	$this->log_write(&ldquo;Error: Cannot connenct to relay host &ldquo;.$this->relay_host.&ldquo;\n&rdquo;);
	$this->log_write(&ldquo;Error: &ldquo;.$errstr.&rdquo; (&ldquo;.$errno.&ldquo;)\n&rdquo;);
	return FALSE;
	}
	$this->log_write(&ldquo;Connected to relay host &ldquo;.$this->relay_host.&ldquo;\n&rdquo;);
	return TRUE;
	}
	function smtp_sockopen_mx($address)
	{
	$domain = ereg_replace(&ldquo;^.+@([^@]+)$&rdquo;, &ldquo;\1&Prime;, $address);
	if (!@getmxrr($domain, $MXHOSTS)) {
	$this->log_write(&ldquo;Error: Cannot resolve MX \&rdquo;&rdquo;.$domain.&ldquo;\&rdquo;\n&rdquo;);
	return FALSE;
	}
	foreach ($MXHOSTS as $host) {
	$this->log_write(&ldquo;Trying to &ldquo;.$host.&ldquo;:&rdquo;.$this->smtp_port.&ldquo;\n&rdquo;);
	$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
	if (!($this->sock && $this->smtp_ok())) {
	$this->log_write(&ldquo;Warning: Cannot connect to mx host &ldquo;.$host.&ldquo;\n&rdquo;);
	$this->log_write(&ldquo;Error: &ldquo;.$errstr.&rdquo; (&ldquo;.$errno.&ldquo;)\n&rdquo;);
	continue;
	}
	$this->log_write(&ldquo;Connected to mx host &ldquo;.$host.&ldquo;\n&rdquo;);
	return TRUE;
	}
	$this->log_write(&ldquo;Error: Cannot connect to any mx hosts (&ldquo;.implode(&ldquo;, &ldquo;, $MXHOSTS).&ldquo;)\n&rdquo;);
	return FALSE;
	}
	function smtp_message($header, $body)
	{
	fputs($this->sock, $header.&ldquo;\r\n&rdquo;.$body);
	$this->smtp_debug(&ldquo;> &ldquo;.str_replace(&ldquo;\r\n&rdquo;, &ldquo;\n&rdquo;.&ldquo;> &ldquo;, $header.&ldquo;\n> &ldquo;.$body.&ldquo;\n> &ldquo;));
	return TRUE;
	}
	function smtp_eom()
	{
	fputs($this->sock, &ldquo;\r\n.\r\n&rdquo;);
	$this->smtp_debug(&ldquo;. [EOM]\n&rdquo;);
	return $this->smtp_ok();
	}
	function smtp_ok()
	{
	$response = str_replace(&ldquo;\r\n&rdquo;, &ldquo;&rdquo;, fgets($this->sock, 512));
	$this->smtp_debug($response.&ldquo;\n&rdquo;);
	if (!ereg(&ldquo;^[23]&rdquo;, $response)) {
	fputs($this->sock, &ldquo;QUIT\r\n&rdquo;);
	fgets($this->sock, 512);
	$this->log_write(&ldquo;Error: Remote host returned \&rdquo;&rdquo;.$response.&ldquo;\&rdquo;\n&rdquo;);
	return FALSE;
	}
	return TRUE;
	}
	function smtp_putcmd($cmd, $arg = &ldquo;&rdquo;)
	{
	if ($arg != &ldquo;&rdquo;) {
	if($cmd==&ldquo;&rdquo;) $cmd = $arg;
	else $cmd = $cmd.&rdquo; &ldquo;.$arg;
	}
	fputs($this->sock, $cmd.&ldquo;\r\n&rdquo;);
	$this->smtp_debug(&ldquo;> &ldquo;.$cmd.&ldquo;\n&rdquo;);
	return $this->smtp_ok();
	}
	function smtp_error($string)
	{
	$this->log_write(&ldquo;Error: Error occurred while &ldquo;.$string.&ldquo;.\n&rdquo;);
	return FALSE;
	}
	function log_write($message)
	{
	$this->smtp_debug($message);
	if ($this->log_file == &ldquo;&rdquo;) {
	return TRUE;
	}
	$message = date(&ldquo;M d H:i:s &ldquo;).get_current_user().&ldquo;[&ldquo;.getmypid().&ldquo;]: &ldquo;.$message;
	if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, &ldquo;a&rdquo;))) {
	$this->smtp_debug(&ldquo;Warning: Cannot open log file \&rdquo;&rdquo;.$this->log_file.&ldquo;\&rdquo;\n&rdquo;);
	return FALSE;;
	}
	flock($fp, LOCK_EX);
	fputs($fp, $message);
	fclose($fp);
	return TRUE;
	}
	function strip_comment($address)
	{
	$comment = &ldquo;\([^()]*\)&rdquo;;
	while (ereg($comment, $address)) {
	$address = ereg_replace($comment, &ldquo;&rdquo;, $address);
	}
	return $address;
	}
	function get_address($address)
	{
	$address = ereg_replace(&ldquo;([ \t\r\n])+&rdquo;, &ldquo;&rdquo;, $address);
	$address = ereg_replace(&ldquo;^.*<(.+)>.*$&rdquo;, &ldquo;\1&Prime;, $address);
	return $address;
	}
	function smtp_debug($message)
	{
	if ($this->debug) {
	echo $message;
	}
	}
	}
	?>
	
	类的使用方法
	<?php
	if(empty($_REQUEST[&lsquo;val0&prime;]) || empty($_REQUEST[&lsquo;val1&prime;]) || empty($_REQUEST[&lsquo;val2&prime;]) || empty($_REQUEST[&lsquo;val3&prime;]) || empty($_REQUEST[&lsquo;val5&prime;])){die(&ldquo;提交失败，请确认是否已按要求填写表格&rdquo;);}
	?>
	<?php
	include_once("mail.inc.php");
	include_once("mailbody.php");
	$smtp = new smtp("smtp.exmail.qq.com",465,true,"xxx@phpxs.com","password","xxx@phpxs.com");//发件人信箱信息
	$smtp->debug = false;//是否显示发送的调试信息 FALSE or TRUE
	$mailto="user@phpxs.com";//收件人信箱
	$mailsubject=&ldquo;来自前端开拓者的邮件类!&rsquo;;
	$mailfrom="www.phpxs.com";
	//其他的表单项目以此类推
	$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
	$mailsubject = &lsquo;=?UTF-8?B?&rsquo;.base64_encode($mailsubject).&lsquo;?=&rsquo;;//邮件主题
	$mailfrom = &lsquo;=?UTF-8?B?&rsquo;.base64_encode($mailfrom).&lsquo;?=&rsquo;;//发件人
	$smtp->sendmail($mailto, $mailfrom, $mailsubject, $maBody, $mailtype);
	echo "申请已提交！请耐心等待回访。"; exit();
	?>
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