求教一个mail的问题

cowboysat

The original message was received at Thu, 5 Jun 2003 10:08:33 +0800
from [210.22.154.90]

----- The following addresses had permanent fatal errors -----
<test@core.co.jp>
(reason: 550 5.7.1 Rejected: 210.22.154.91 listed at inputs.relays.osirusoft.com)

----- Transcript of session follows -----
... while talking to mail.core.co.jp.:
>>> MAIL From:<test@shcore.com.cn>
<<< 550 5.7.1 Rejected: 210.22.154.91 listed at inputs.relays.osirusoft.com
554 5.0.0 Service unavailable


这是为什么???可是我发到hotmail等邮箱都是可以的阿!!!

nobody_am

用什么发的？test@core.co.jp 是自己配置的域名吗？