邮件发送php类

<?php
class smtp
{

	var $smtp_port;
	var $time_out;
	var $host_name;
	var $log_file;
	var $relay_host;
	var $debug;
	var $auth;
	var $user;
	var $pass;

	var $sock;

	/**
	 *
	 * Enter description here ...
	 * @param unknown_type $relay_host
	 * @param unknown_type $smtp_port
	 * @param unknown_type $auth
	 * @param unknown_type $user
	 * @param unknown_type $pass
	 */
	function smtp($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->log_file = "";
		$this->sock = FALSE;
	}

	/**
	 *
	 * Enter description here ...
	 * @param unknown_type $to
	 * @param unknown_type $from
	 * @param unknown_type $subject
	 * @param unknown_type $body
	 * @param unknown_type $mailtype
	 * @param unknown_type $cc
	 * @param unknown_type $bcc
	 * @param unknown_type $additional_headers
	 */
	function sendmail($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;
	}

	/**
	 *
	 * Enter description here ...
	 * @param unknown_type $helo
	 * @param unknown_type $from
	 * @param unknown_type $to
	 * @param unknown_type $header
	 * @param unknown_type $body
	 */
	function smtp_send($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 (!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)
	{
		$comment = "\\([^()]*\\)";
		while (ereg($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;
		}
	}
}

/**
 *
 * Enter description here ...
 * @param unknown_type $smtpserver
 * @param unknown_type $smtpuser
 * @param unknown_type $smtppass
 * @param unknown_type $smtpemailto
 * @param unknown_type $smtpusermail
 * @param unknown_type $mailsubject
 * @param unknown_type $mailbody
 */
function sendmail($smtpserver,$smtpuser,$smtppass,$smtpemailto,$smtpusermail, $mailsubject, $mailbody){
	$smtp = new smtp($smtpserver,25,true,$smtpuser,$smtppass);
	//$smtp->debug = TRUE;
	$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, "HTML");
}



//调用方法
//sendmail("smtp.126.com","test@126.com","password","open@qq.com","test@126.com","title","body");

?>

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