大学团队合作事例:为何不能发邮件?

来源：百度文库 编辑：高校问答 时间：2024/04/28 23:05:45
我发邮件时,邮件服务器发回如下信息:
This is the Postfix program at host sohumxx21.sohu.com.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

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 message returned below.

The Postfix program

<liqing@gdfus.edu.cn>: Name service error for gdfus.edu.cn: Host not found

Reporting-MTA: dns; sohumxx21.sohu.com
Arrival-Date: Sat, 7 Jan 2006 13:54:11 +0800 (CST)

Final-Recipient: rfc822; liqing@gdfus.edu.cn
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; Name service error for gdfus.edu.cn: Host not found
是什么原因不能发送成功呢?
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