4.1.8 Domain of sender address ****@**** does not resolve

이전에 질문 하신 내용과 같은 내용입니다만...상대방 서버에서 발송자의 도메인을 역조회시

찾지 못하거나 PTR 레코드나 MX 값등의 조회가 이루어지지 않는 상태입니다.

DNS서버를 호스팅 회사에서 지원 받는 다면 위 에러 메시지를 가지고 호스팅 회사에 문의해 보시는것이 좋을듯 합니다.


-------------------- Original message --------------------

---------- Original Message ----------
From: ****@**** (Mail Delivery System) ****@**** (Mail Delivery System) To: ****@**** ****@**** Sent: 2/21/2009 11:54:31 AM Subject: Undelivered Mail Returned to Sender This is the Postfix program at host kwd-w2k-avgwy.uws.edu.au.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The Postfix program

: host 137.154.210.65[137.154.210.65] said: 451
4.1.8 Domain of sender address ****@**** does not resolve (in
reply to RCPT TO command)