Nmail 을 사용하여 메일 서버를 구축하려고 하는데, Nmail 에서 준 계정으로는 멜 전송과 수신이 되는데.. hanmail이나 다른 메일로 보내거서 수신할려고 하면..에러가 납니다. 어떻게 해야하는지 궁금합니다.
참고로 에러 메세지는

다른 계정에서 nmail 서버 계정으로 보낼 때 나는 에러

The original message was received at Fri, 9 May 2003 14:49:54 +0900
from smail-104.hanmail.net [211.43.197.26]

----- The following addresses had permanent fatal errors -----
<****@****>
(reason: addressee unknown)

----- Transcript of session follows -----
550 5.1.1 <****@****>... User unknown

Reporting-MTA: dns; mail.mju.ac.kr
Received-From-MTA: DNS; smail-104.hanmail.net
Arrival-Date: Fri, 9 May 2003 14:49:54 +0900

Final-Recipient: RFC822; ****@****
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Unix; 67
Last-Attempt-Date: Fri, 9 May 2003 14:49:55 +0900
Error Message : Timeout error


nmail 계정으로 다른 멜 서버로 보낼때 나는 에러

-- You SendMail --

>> Received: from choi (202.30.106.19)
>> by myongji.ac.kr (202.30.106.17) with [Nmail V3.1 20010905(S)]
>> for <****@****> from <****@****>;
>> Fri, 09 May 2003 15:05:15 +0900
>> From: "=?ks_c_5601-1987?B?sPrBpg==?=" <****@****>
>> To: <****@****>
>> Subject: dddd
>> Date: Fri, 9 May 2003 14:59:59 +0900
>> Message-ID: <****@****>
>> MIME-Version: 1.0
>> Content-Type: text/plain;
>> charset="ks_c_5601-1987"
>> Content-Transfer-Encoding: base64
>> X-Priority: 3 (Normal)
>> X-MSMail-Priority: Normal
>> X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0)
>> Importance: Normal
>> X-MimeOLE: Produced By Microsoft MimeOLE V6.***-****-****