版面: 邮件夜话
2013-03-31, 16:29
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邮件系统常见的退信分析
看退信最下面的日志，并按照相应的错误信息进行匹配。
511 sorry, no mailbox here by that name
unknown user account
... User unknown
Name server reports domain name unknown
mailbox unavailable
550 Invalid User:
invalid recipient
No such user here
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