php使用原生smtp协议发送邮件，不依赖任何第三方代码
qq:30024167
https://github.com/chenbool/mail
// 网易
$config = [
'smtp_host' => 'smtp.163.com',
'smtp_port' => 25,
'smtp_user' => 'bool1993@163.com',
'smtp_pass' => '****',
'smtp_name' => 'bool',
'html' => true,
];
$mail = new Mail($config);
$mail->send('bool1993@qq.com','subject123',' <h1>33</h1> <a href="http://www.baidu.com"> baidu</a> <hr>') 