외부메일(한메일, 핫메일등)을 보낼려구 하면 아래와 같은 메시지가 나옵니
다.
왜그런지 고수님들 갈쳐주세요...ㅠㅠ
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The original message was received at Thu, 16 May 2002 10:32:00 +0900
(KST)
from [211.***.***.244]
    ----- The following addresses had permanent fatal errors -----
<dogsoori at hotmail.com>
    (reason: 553 5.3.5 system config error)
    ----- Transcript of session follows -----
553 5.3.5 ns.seolbi.com. config error: mail loops back to me (MX
problem?)
554 5.3.5 Local configuration error
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