简单的PHP邮件发送类

把自己框架里的邮件发送类分享出来，希望对大家有帮助，同时做了一个小例子，方便大家使用。 SMTP类：Smtp.class.php ?php/** * SMTP类 * @package DolrPHP * @author Joy chao * @version v2.0 * @copyright Copyright (c) 2012. DolrPHP.com * @modifier J

把自己框架里的邮件发送类分享出来，希望对大家有帮助，同时做了一个小例子，方便大家使用。

SMTP类：Smtp.class.php

debug     = FALSE;
		$this->smtp_port = trim ( $smtp_port );
		$this->smtp_host = trim ( $smtp_host );
		$this->time_out  = 30; // is used in fsockopen()
		$this->auth      = trim ( $auth ); // auth
		$this->user      = trim ( $user );
		$this->pass      = trim ( $pass );
		$this->host_name = "localhost"; // is used in HELO command
		$this->log_file  = '';
		$this->sock      = FALSE;
	}
	/**
	 * 发送邮件主方法
	 * @param  string $to                 收件人
	 * @param  string $mail_from          发件人
	 * @param  string $subject            主题
	 * @param  string $body               内容
	 * @param  string $mailtype           邮件类型（HTML/TXT）
	 * @param  string $cc                 抄送
	 * @param  string $bcc                密送
	 * @param  string $additional_headers 额外头信息
	 * @return boolean                    成功或者失败
	 */
	function sendmail($to, $mail_from, $subject = '', $body = '', $mailtype = "HTML", $cc = '', $bcc = '', $additional_headers = '') {
		$to           = trim ( $to );
		$stringEncode = mb_detect_encoding($body, array('UTF-8','GBK','ASCII','GB2312')); 
		$subject      = iconv($stringEncode,'UTF-8',$subject);
		$body         = iconv($stringEncode,'UTF-8',$body);
		$body         = preg_replace ( "/(^|(\r\n))(\.)/", "\\1.\\3", base64_encode($body));
		$header       = "MIME-Version:1.0\r\n";
		if (strtoupper ( $mailtype ) == "HTML") {
			$header .= "Content-Type:text/html;charset=utf-8\r\n";
		}
		$header .= "Content-Transfer-Encoding: base64\n";
		$header .= "To: " . $to . "\r\n";
		if ($cc != '') {
			$header .= "Cc: " . $cc . "\r\n";
		}
		$header .= "From: " . $this->get_mailfrom ( $this->user, $mail_from ) . "\r\n";
		$header .= "Subject: " . $subject . "\r\n";
		$header .= $additional_headers;
		$header .= "Date: " . date ( "r" ) . "\r\n";
		$header .= "X-Mailer:By Apache (PHP/" . phpversion() . ")\r\n";
		list ( $msec, $sec ) = explode ( ' ', microtime() );
		$header .= "Message-ID: \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, $this->user, $rcpt_to, $header, $body )) {
				$this->log_write ( "E-mail has been sent to \n" );
			} else {
				$this->log_write ( "Error: Cannot send email to \n" );
				$sent = FALSE;
			}
			fclose ( $this->sock );
			$this->log_write ( "Disconnected from remote host\n" );
		}
		return $sent;
	}
	/**
	 * 发送邮件
	 * @access public
	 */
	function smtp_send($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:" )) {
			return $this->smtp_error ( "sending MAIL FROM command" );
		}
		if (! $this->smtp_putcmd ( "RCPT", "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->smtp_host == '') {
			return $this->smtp_sockopen_mx ( $address );
		} else {
			return $this->smtp_sockopen_relay ();
		}
	}
	function smtp_sockopen_relay() {
		$this->log_write ( "Trying to " . $this->smtp_host . ":" . $this->smtp_port . "\n" );
		$this->sock = @fsockopen ( $this->smtp_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->smtp_host . "\n" );
			$this->log_write ( "Error: " . $errstr . " (" . $errno . ")\n" );
			return FALSE;
		}
		$this->log_write ( "Connected to relay host " . $this->smtp_host . "\n" );
		return TRUE;
	}
	function smtp_sockopen_mx($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 (! preg_match("/^[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 ( preg_match( $comment, $address ) ) {
			$address = preg_replace ( $comment, '', $address );
		}
		return $address;
	}
	function get_address($address) {
		return trim ( preg_replace ( "/(.*[]+)[>]?/i", "$2", $address ) );
	}
	function get_mailfrom($address,$mail_from) {
		return $mail_from . "";
	}
	function smtp_debug($message) {
		if ($this->debug) {
			return $message;
		}
	}
}//CLASS SMTP END-----

使用范例： mail.php

debug = 1;
//发送邮件
$res=$smtp->sendmail($mailto, $mailfrom, $mailsubject, $mailbody, $mailtype);
if($res){
	echo '发送成功';
}else{
	echo '发送失败';
}

这里补充一点：QQ邮箱不让自己SMTP发给自己，所以测试时请留意这个问题。

代码呢?百度网盘：http://pan.baidu.com/share/link?shareid=78838&uk=453059967

原文地址：简单的PHP邮件发送类, 感谢原作者分享。