Trying to smtp.qq.com:25
220 newxmesmtplogicsvrszc50-0.qq.com XMail Esmtp QQ Mail Server.
Connected to relay host smtp.qq.com
> HELO localhost
250-newxmesmtplogicsvrszc50-0.qq.com-21.211.133.98-37114467
> AUTH LOGIN NDk3NjIzMTIw
250-SIZE 73400320
> bHljMzg5NDIzMA==
250 OK
> MAIL FROM:<497623120@qq.com>
334 UGFzc3dvcmQ6
> RCPT TO:<497623120@qq.com>
530 Login fail. A secure connection is requiered(such as ssl). More information at https://help.mail.qq.com/detail/0/1010
Error: Remote host returned "530 Login fail. A secure connection is requiered(such as ssl). More information at https://help.mail.qq.com/detail/0/1010"
Error: Error occurred while sending RCPT TO command.
Error: Cannot send email to <497623120@qq.com>
Disconnected from remote host
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