외부메일이 안 보내집니다.

내부에서는 메일 잘 보내지는데

외부에서 메일이 리턴되어 옵니다.

The original message was received at Mon, 9 Aug 2004 13:36:55 +0900
from mail [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<cjw75@dreamwiz.com>
    (reason: 550 5.7.1 <cjw75@dreamwiz.com>... SPAMcenter: Access denied(220.124.222.105))

   ----- Transcript of session follows -----
... while talking to mx-ra.dreamwiz.com.:
>>> DATA
<<< 550 5.7.1 <cjw75@dreamwiz.com>... SPAMcenter: Access denied(220.124.222.105)
550 5.1.1 <cjw75@dreamwiz.com>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)