WooYun.org

<?php
class BMail{
 /**
  * <p>以SMTP的方式发送邮件</p>
  *
  * @return true,false - 是否成功发送bool
  * @param $mailcfg array - 邮件发送的配置
  * @param $mail array - 邮件的内容
  */
    public static function send($mailcfg,$mail){
        //无法连接上smtp服务器
        if(!$fp = fsockopen($mailcfg['server'], $mailcfg['port'], $errno, $errstr, 50)) {
            echo ('无法连接');
            return false;
        }
        stream_set_blocking($fp, true);
        $lastmessage = fgets($fp, 512);
        if(substr($lastmessage, 0, 3) != '220') {
            $error_msg = "$mailcfg[server]:$mailcfg[port] CONNECT - $lastmessage";
            echo ('连接错误');
            return false;
        }
        //发送用户名
        fputs($fp, ($mailcfg['auth'] ? 'EHLO' : 'HELO')." ".$mailcfg['auth_username']."\r\n");
        $lastmessage = fgets($fp, 512);
        if(substr($lastmessage, 0, 3) != 220 && substr($lastmessage, 0, 3) != 250) {
           
            $error_msg = "($mailcfg[server]:$mailcfg[port]) HELO/EHLO - $lastmessage";
            echo ('身份错误');
            return false;
        }
        while(1) {
            if(substr($lastmessage, 3, 1) != '-' || empty($lastmessage)) {break;}
            $lastmessage = fgets($fp, 512);
        }
        //登陆验证
        if($mailcfg['auth']) {
            fputs($fp, "AUTH LOGIN\r\n");
            $lastmessage = fgets($fp, 512);
            if(substr($lastmessage, 0, 3) != 334) {
                //登陆模式错误
                $error_msg = "($mailcfg[server]:$mailcfg[port]) AUTH LOGIN - $lastmessage";
                echo ('登陆模式错误');
                return false;
            }
            fputs($fp, base64_encode($mailcfg['auth_username'])."\r\n");
            $lastmessage = fgets($fp, 512);
            if(substr($lastmessage, 0, 3) != 334) {
                //用户名不正确
                $error_msg = "($mailcfg[server]:$mailcfg[port]) USERNAME - $lastmessage";
                echo ('用户名不正确');
                return false;
            }
            fputs($fp, base64_encode($mailcfg['auth_password'])."\r\n");
            $lastmessage = fgets($fp, 512);
            if(substr($lastmessage, 0, 3) != 235) {
                //用户密码不正确
                $error_msg = "($mailcfg[server]:$mailcfg[port]) PASSWORD - $lastmessage";
                echo ('用户密码不正确');
                return false;
            }
           
            $email_from = $mailcfg['from'];
        }
        fputs($fp, "MAIL FROM: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $email_from).">\r\n");
        $lastmessage = fgets($fp, 512);
        if(substr($lastmessage, 0, 3) != 250) {
            //发送地址错误
            $error_msg = "($mailcfg[server]:$mailcfg[port]) MAIL FROM - $lastmessage";
            echo ('发送地址错误');
            return false;     
        }
   
        $email_to=$mail['to'];
        //循环对逐个收件人发送
        foreach(explode(',', $email_to) as $touser) {
            $touser = trim($touser);
            if($touser) {
                fputs($fp, "RCPT TO: <$touser>\r\n");
                $lastmessage = fgets($fp, 512);
                if(substr($lastmessage, 0, 3) != 250) {
                    //目标地址错误
                    $error_msg = "($mailcfg[server]:$mailcfg[port]) RCPT TO - $lastmessage";
                    echo ('目标地址错误');
                    return false;
                }
            }
        }
        fputs($fp, "DATA\r\n");
        $lastmessage = fgets($fp, 512);
        if(substr($lastmessage, 0, 3) != 354) {
            $error_msg = "($mailcfg[server]:$mailcfg[port]) DATA - $lastmessage";
            echo ('数据错误');
            return false;
        }
   
        $from = $mailcfg['from'];
        $fromname = $mailcfg['fromname'];
        $subject = $mail['subject'];
        $content = $mail['content'];
       
        $charset = $mailcfg['charset'];
        $headers = "MIME-Version: 1.0\r\nContent-type: $mailcfg[type]; charset=".$charset."\r\n\r\n";//头文件避免出现乱码
       
        //构建邮件数据
        $str="To: $email_to\r\nFrom: $fromname <$from>\r\nSubject: ".$subject."\r\n".$headers.$content."\r\n.\r\n";
        //fputs($fp, "$str\r\n");
        fputs($fp, "$str\r\n.\r\n.");
        fputs($fp, "QUIT\r\n");    
        return true;
    }
}
//以下为调用例子
/**********************
define("REG_SMTP_HOST",   "smtp.mail.aliyun.com");//如果是ssl类型的smtp，改成'ssl://smtp.163.com' 即可
define("REG_SMTP_USER",   "[email protected]");
define("REG_SMTP_PASS",   "123456");
define("REG_SMTP_FROM",   "[email protected]");
$mailcfg = array(
              'server'=>REG_SMTP_HOST,
              'port'=>'25',//smtp服务器端口
              'auth'=>1,
              'from'=>REG_SMTP_FROM,
              'charset'=>'utf-8',//信件编码
              'type'=>'text/html',//发送的类型是html格式
              //'type'=>'text/plain',//发送的类型是文本格式
              'fromname'=>'阿里云计算',
              'auth_username'=>REG_SMTP_USER,
              'auth_password'=>REG_SMTP_PASS);
                 
$rst = BMail::send($mailcfg,$mail);
if(!$rst){
    echo 'mail fail';
}else{
    echo 'mail succ!';
}
**************************/
?>