smtp协议的传输问题

[chaulene]

想请问各位专家,目前我遇到什么问题,以下我试过两个邮件去做smtp的服务两个的结论都不一样,我实在是毫无头绪,想请教各位
2017-11-06 06:53:36 SERVER -> CLIENT: 250-EX2013CB1.landseed.com.cn Hello [192.168.35.110]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-X-ANONYMOUSTLS
250-AUTH NTLM
250-X-EXPS GSSAPI NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 XRDST
2017-11-06 06:53:36 CLIENT -> SERVER: STARTTLS
2017-11-06 06:53:36 SMTP -> get_lines(): $data is ""
2017-11-06 06:53:36 SMTP -> get_lines(): $str is "220 2.0.0 SMTP server ready
"
这明明都测试过了,smtp server 也在准备,但为何没有执行发信的动作？

2017-11-06 07:11:13 SERVER -> CLIENT: 250-mail
250-PIPELINING
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrLhTwOUCa0xDrUUUUj
250-STARTTLS
250 8BITMIME
2017-11-06 07:11:13 Auth method requested: LOGIN
2017-11-06 07:11:13 Auth methods available on the server: LOGIN,PLAIN
2017-11-06 07:11:13 CLIENT -> SERVER: AUTH LOGIN
2017-11-06 07:11:13 SMTP -> get_lines(): $data is ""
2017-11-06 07:11:13 SMTP -> get_lines(): $str is "334 dXNlcm5hbWU6
"
2017-11-06 07:11:13 SERVER -> CLIENT: 334 dXNlcm5hbWU6
2017-11-06 07:11:13 CLIENT -> SERVER: bTE4NTE2MTQ0NTQzQDE2My5jb20=
2017-11-06 07:11:13 SMTP -> get_lines(): $data is ""
2017-11-06 07:11:13 SMTP -> get_lines(): $str is "334 UGFzc3dvcmQ6
"
2017-11-06 07:11:13 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2017-11-06 07:11:13 CLIENT -> SERVER: Q2gwMjA5

这个测试到这里就没有了,是密码验证错误吗？