네띠앙에서 보내는 메일은 리눅스서버에서 메일이 들어오는데
aaa at mydomain.com   한메일에서 보내는 메일은
aaa at mydomain.com 은
메일이 안들어오고
한메일에서 리턴 처리되니 궁금???
 Returned mail: see transcript for details
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
The original message was received at Fri, 29 Mar 2002 20:52:20 +0900
from www27.hanmail.net [211.32.117.207]
 ----- The following addresses had permanent fatal errors -----
<mswindow at changupdr.com>
(reason: 550 5.7.1 <aaa at mydomain.com>... Relaying denied)
 ----- Transcript of session follows -----
... while talking to mail.mydomain.com.:
>>> RCPT To:<aaa at mydomain.com>
<<< 550 5.7.1 <aaa at mydomain.com>... Relaying denied
550 5.1.1 <aaa at mydomain.com>... User unknown
  Reporting-MTA: dns; smail-103.hanmail.net
Arrival-Date: Fri, 29 Mar 2002 20:52:20 +0900
 Final-Recipient: RFC822; aaa at mydomain.com Action: failed
Status: 5.7.1
Remote-MTA: DNS; mail.mydomain.com
Diagnostic-Code: SMTP; 550 5.7.1 <aaa at mydomain.com>... Relaying denied
Last-Attempt-Date: Fri, 29 Mar 2002 20:52:26 +0900
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
여기서
MTA가 mail.mydomain.com으로 잡혔는데
  DNS셋팅은 분명히 mydomain.zone파일은
@       IN SOA  mydomain.com. root.mydomain.com. (
        1997022700      ; serial (d. adams)
        28800           ; refresh
        14400           ; retry
        3600000         ; expiry
        86400 )         ; minimum
                IN      NS      mydomain.com.
                IN      A       xxx.xxx.xxx.xxx
                IN      MX      10 mydomain.com.
ns1             IN      A       xxx.xxx.xxx.xxx
www             IN      CNAME   ns1
ftp             IN      CNAME   ns1
news            IN      CNAME   ns1
mail            IN      CNAME   ns1
 이런식으로 설정되어있습니다.
 왜 그런것일까요~~????--유지.보수.백업.관리 ........어렵다.