[問題] 請教一下 學生事務處的信箱....
外部IP是不是沒有辦法 寄回去 學生事務處 <student-e@mail.ntust.edu.tw>
昨天收到一封學生事務處的信 可是一直寄不回去
Delivery to the following recipient failed permanently:
student-e@mail.ntust.edu.tw
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient
domain. We recommend contacting the other email provider for further
information about the cause of this error. The error that the other server
returned was: 550 550 User (student-e) unknown. (state 13).
有人知道這是什麼問題嘛?
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