错误返回信息，请帮助

巴黎先生

did not reach the following recipient(s):<br>
<br>
USER (MIS) on Wed, 7 Sep 2005 12:46:36 +0800<br>A restriction in the system prevented delivery of the message.<br>
The MTS-ID of the original message is: c=us;a= ;p=pc partner<br>
limit;l=ROUTER0509070446SLQQGPH9<br>MSEXCH:MSExchangeMTA:PCP-DOMA(HK):ROUTER