但是您的mail server(fetnet.net)反解查詢與寄信的IP不正確,
因此導致退信, 這也是防止濫發廣告信的機制之一.
請向您使用的ISP要求設定正確的DNS反解
Snow wrote:
我這幾天寄到service@mactiontech.com都會被退信,
換其他信箱也一樣,不知道是不是研勤的mail server有問題啊?
----- The following addresses had transient non-fatal errors -----
----- Transcript of session follows -----
... while talking to mactiontech.com.:
>>> MAIL From: SIZE=1303
<<< 451 Domain of sender xxx@fetnet.net does not resolve, because your ip is not belong to the domain you claimed, maybe you can try again later if you correct it.
... Deferred: 451 Domain of sender xxx@fetnet.net does not resolve, because your ip is not belong to the domain you claimed, maybe you can try again later if you correct it.
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old