急寻帮助

jianjun110

请问一下我们的邮件服务器为什么能收到部分人发的邮件，有些就收不到啊，退回去了，提示是“This is the Postfix program at host ns.ourwise.net.<br>
> ><br>
> > I'm sorry to have to inform you that the message returned below <br>
> > could not be delivered to one or more destinations.<br>
> ><br>
> > For further assistance, please send mail to <postmaster><br>
> ><br>
> > If you do so, please include this problem report. You can delete <br>
> > your own text from the message returned below.<br>
> ><br>
> > The Postfix program<br>
> ><br>
> > <guyl@woco.com.cn>: Name service error for mail.woco.com.cn: <br>
Host<br>
>not<br>
> > found, try again<br><br>

钉子

Name service error for mail.woco.com.cn: <br>
Host　not found, try again<br>
<br>
主机无法找到。会不会是ＤＮＳ的问题。换一个ＤＮＳ　ＩＰ试试。