这个问题如何解决？

 Fatal error: Uncaught exception 'Swift_TransportException' with message 'Failed to authenticate on SMTP server with username "490222113@qq.com" using 1 possible authenticators' in D:\Program Files\wamp\www\object\s_mailer\swiftmailer-master\lib\classes\Swift\Transport\Esmtp\AuthHandler.php on line 184