smtp_maliler.php

 \r\n", "250", "MAIL FROM: "),
            //6.RCPT TO 250
            array("RCPT TO: <". $mailto .">\r\n", "250", "RCPT TO: "),
            //7.DATA Start 354
            array("DATA\r\n", "354", "DATA Start: "),
            //8.0 From
            array("From: ". $smtp_from ."\r\n", "", ""),
            //8.1 To
            array("To: ". $mailto ."\r\n", "", ""),
            //8.2 X-Mailer
            array("X-Mailer: LANSEYUJIE WebMailer 1.0\r\n", "", ""),
            //8.3 X-Priority
            array("X-Priority: 1 (Highest)\r\n", "", ""),
            //8.4 Subject
            array("Subject: ". $subject ."\r\n", "", ""),
            //8.5 Content-Type
            array("Content-Type: text/html; charset=\"utf-8\"\r\n", "", ""),
            //8.6 Content-Transfer-Encoding
            array("Content-Transfer-Encoding: base64\r\n\r\n", "", ""),
            //8.7 Base64 Encode Body
            array(base64_encode($body) ."\r\n", "", ""),
            //9.DATA End 250
            array("\r\n.\r\n", "250", "DATA End: "),
            //10.QUIT
            array("QUIT\r\n", "221", "QUIT: ")
        );
        $info = '';
        //fsockopen
        if (1 == $smtp_openssl) {
            $fp = @fsockopen('ssl://'. $smtp_host, $smtp_port);
        }
        else {
            $fp = @fsockopen($smtp_host, $smtp_port);
        }
        
        if (!$fp) {
            $info .= "FSOCKOPEN Error: Cannot conect to ". $smtp_host ."\r\n
";
        } 
        //发送smtp数组中的命令/数据
        foreach ($smtp as $request) {
            //发送信息
            @fputs($fp, $request[0]);
            //如果需要接收服务器返回信息，则
            if (1 == $smtp_debug && '' != $request[1]) {
                //接收信息
                $response = @fgets($fp, 128);
                $info .= $request[2] . $response ."\r\n
";
            }
        }
        //关闭连接
        @fclose($fp);
        return $info;
    }
    echo smtp_mailer('test@lanseyujie.com', 'Mailer Test', 'This is a test mail to verify the Mailer run or not!');