UBLink技術團隊討論區

請問 我有設定群組管理
之前寄信都很正常
這一兩天寄出去會出現錯誤

This is the mail system at host localhost.localdomain.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

(expanded from ):
Host or domain name not found. Name service error for
name=localhost.localdomain type=A: Host not found

(expanded from ):
Host or domain name not found. Name service error for
name=localhost.localdomain type=A: Host not found

(expanded from ):
Host or domain name not found. Name service error for
name=localhost.localdomain type=A: Host not found

(expanded from ): Host
or domain name not found. Name service error for name=localhost.localdomain
type=A: Host not found

(expanded from ): Host
or domain name not found. Name service error for name=localhost.localdomain
type=A: Host not found

網路設定 / WAN 介面設定

主機名稱 : 請改為標準名稱

主機名稱必須正確設定 , 例如 : mail.yourdomain.com , 設定前請先用 ping 指令 確定你要指定的這個主機名稱 , 所解釋到的 IP 和你的伺服器IP相同 .
不正確的設定將會造成伺服器某些功能不正常 , 例如 FTP , 伺服器轉寄重寄 , 群組帳號失效 , 信件遺失 ...等問題.