아래와 같은 리턴메세지가 옵니다.
=====================================================
The original message was received at Thu, 20 Nov 2003 15:44:20 +0900
from [61.77.137.5]
----- The following addresses had permanent fatal errors -----
<jkj@bbb.com>
(reason: 553 5.3.5 system config error)
----- Transcript of session follows -----
553 5.3.5 mail.bbb.com. config error: mail loops back to me (MX problem?)
554 5.3.5 Local configuration error
======================================================
아래는 서버설정파일들 입니다.
1) bbb.com 이 있는 서버의 /etc/mail/local-host-names (대부분 이문제라고 는 하지만..)