求教一个mail的问题

cowboysat

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

   ----- The following addresses had permanent fatal errors -----
<[email protected]>
    (reason: 550 5.7.1 Rejected: xxxx listed at inputs.relays.osirusoft.com)

   ----- Transcript of session follows -----
... while talking to mail.test.co.jp.:
>>> MAIL From:<[email protected]>
<<< 550 5.7.1 Rejected: xxxxlisted 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!!!

NcitZhang

(reason: 550 5.7.1 Rejected: 210.22.154.91 listed at inputs.relays.osirusoft.com)

原因说的很清楚了。