메일이 안와여..도와주세여..

메일을여 보내는거 잘 돼는데녀..이상하게 수신이 안돼네여..
아시는 분들 좀 알려주세여..
다음메일에서 반송된 메세지가 아래와같거든여..도대체 어디가 문제 인가여??
아무리 찾아 봐두 알수가 없네여..

The original message was received at Thu, 13 Feb 2003 09:55:53 +0900
from [211.32.117.209]

----- The following addresses had permanent fatal errors -----
<aaa@bbb.net>

----- Transcript of session follows -----
<aaa@bbb.net>... Deferred: Name server: bbb.net: host name lookup failure
Message could not be delivered for 1 hour
Message will be deleted from queue

Reporting-MTA: dns; smail-104.hanmail.net
Arrival-Date: Thu, 13 Feb 2003 09:55:53 +0900

Final-Recipient: RFC822; aaa@bbb.net
Action: failed
Status: 4.4.7
Remote-MTA: DNS; bbb.net
Last-Attempt-Date: Thu, 13 Feb 2003 12:20:20 +0900