아래와 같은 에러가 뜨네여.!!! 멜 서버를 운영하는데... 멜 송신은 되는데..수신이 안됩니다. 예전엔 아무런 문제 없이 사용했는데.. 포맷하고 다시 시스템 깔구 멜 서버 돌릴려구 하니깐 이번엔 안되는데..모가 문젠지를 모르겠습니다. 아시는 분있음 가르쳐 주세여.^^

The original message was received at Thu, 1 May 2003 11:07:27 +0900
from [211.32.117.37]

----- The following addresses had permanent fatal errors -----
<****@****>
(reason: 550 Not Pop3 Before authentication)

----- Transcript of session follows -----
... while talking to icl.myongji.ac.kr.:
>>> RCPT To:<****@****>
<<< 550 Not Pop3 Before authentication
550 5.1.1 <****@****>... User unknown

Reporting-MTA: dns; smail-108.hanmail.net
Arrival-Date: Thu, 1 May 2003 11:07:27 +0900

Final-Recipient: RFC822; ****@****
Action: failed
Status: 5.1.1
Remote-MTA: DNS; icl.myongji.ac.kr
Diagnostic-Code: SMTP; 550 Not Pop3 Before authentication
Last-Attempt-Date: Thu, 1 May 2003 11:07:47 +0900