如何使用 Gmail SMTP 发送邮箱？

[s609926202]

我已经开启了允许不够安全的应用，，但是还是无法发送邮件。。。

[s609926202]

这是一些信息：
2017-11-20 09:05:00 SERVER -> CLIENT: 220 smtp.gmail.com ESMTP z7sm6797750qtz.40 - gsmtp
2017-11-20 09:05:00 CLIENT -> SERVER: EHLO www.trueniu.com
2017-11-20 09:05:00 SERVER -> CLIENT: 250-smtp.gmail.com at your service, [54.172.19.40]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
2017-11-20 09:05:00 CLIENT -> SERVER: AUTH LOGIN
2017-11-20 09:05:00 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2017-11-20 09:05:00 CLIENT -> SERVER: czYwOTkyNjIwMkBnbWFpbC5jb20=
2017-11-20 09:05:00 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2017-11-20 09:05:00 CLIENT -> SERVER: U3gxOTkyMTEyOSFAIw==
2017-11-20 09:05:01 SERVER -> CLIENT: 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbur
534-5.7.14 S_l4jy-EJKrK2IupSssBOYwZxRzVjqeSGKl0zGfsV_yiLTfQvDOhAWkMDVSsro03uALvef
534-5.7.14 Q0nDJO07pej2wkUtbyVNPtMtBGdWUJTj0aGgDs9hv-Hv8bea3HfMAl0iq5jOw9u5Z4wP4d
534-5.7.14 9UkmIkgLjY-DmS3BF-fCdXZ3Y2pq6mYisBsOkGY5tVFIkhJ218EUXlvtu02SHRFpXdJXe7
534-5.7.14 FnDUtB8ofSuAZdrWEtRK0k9gJbpGU> Please log in via your web browser and
534-5.7.14 then try again.
534-5.7.14 Learn more at
534 5.7.14 https://support.google.com/mail/answer/78754 z7sm6797750qtz.40 - gsmtp
2017-11-20 09:05:01 SMTP ERROR: Password command failed: 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbur
534-5.7.14 S_l4jy-EJKrK2IupSssBOYwZxRzVjqeSGKl0zGfsV_yiLTfQvDOhAWkMDVSsro03uALvef
534-5.7.14 Q0nDJO07pej2wkUtbyVNPtMtBGdWUJTj0aGgDs9hv-Hv8bea3HfMAl0iq5jOw9u5Z4wP4d
534-5.7.14 9UkmIkgLjY-DmS3BF-fCdXZ3Y2pq6mYisBsOkGY5tVFIkhJ218EUXlvtu02SHRFpXdJXe7
534-5.7.14 FnDUtB8ofSuAZdrWEtRK0k9gJbpGU> Please log in via your web browser and
534-5.7.14 then try again.
534-5.7.14 Learn more at
534 5.7.14 https://support.google.com/mail/answer/78754 z7sm6797750qtz.40 - gsmtp
2017-11-20 09:05:01 SMTP Error: Could not authenticate.
2017-11-20 09:05:01 CLIENT -> SERVER: QUIT
2017-11-20 09:05:01 SERVER -> CLIENT: 221 2.0.0 closing connection z7sm6797750qtz.40 - gsmtp
2017-11-20 09:05:01 SMTP Error: Could not authenticate.

[viosey]

要开 2FA，用应用密码

[s609926202]

@viosey Ok 了

[cowpea]

@s609926202 啊，原谅我挖。账号密码信息要隐藏一下的，base64 编码的。