메일이 이상하네요...

메일을 보낼때 .com은 메일이 가는데요..

.co.kr 이나 .net은 메일이 가질 않네요..

여러군데 테스트를 했는데..결과가동일하네요..

원인이 어딘지도 모르겟고.고수님들 도움좀 부탁드립니다..

메시지는 다음과 같습니다.

The original message was received at Mon, 14 Apr 2003 14:13:23 +0900 (KST)
from 내컴퓨터아이피.intertns.com [내컴퓨터아이피] (may be forged)

   ----- The following addresses had permanent fatal errors -----
<xxxxx@hanmail.net>

   ----- Transcript of session follows -----
... while talking to mailhost.com.:
>>> RCPT To:<xxxxx@hanmail.net>
<<< 550 relaying to <xxxxx@hanmail.net> prohibited by administrator (no IP address found for 내컴퓨터아이피.intertns.com, the host name obtained from 메일서버아이피)
550 <xxxxx@hanmail.net>... User unknown