※ 필수입력정보 ※

▷ 제품버젼 : Nmail ASP 3.8

▷ 질문내용 : 저희와 거래중인 업체가 있는데, Mitsu라는 업체로 메일을 발송할때마다 리턴메일이 회신된다고 합니다.

저도 대충 훑어봤는데, 이게 스팸으로 분류되어 블락됬다는 것인지, 알 수 없는 사용자에게 보냈기 때문에 반송되었다는건지 헷갈리네요.

리턴메일 내용

From: Mail Delivery System [mailto:MAILER-DAEMON@spamworks.net] Sent: Monday, June 17, 2013 7:13 PM To: *****@*****.*** Subject: Undelivered Mail Returned to Sender

This is the mail system at host gate.spamworks.net.

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 mail system

: unknown mail transport error첨부파일 내용 1 (Details.txt)Reporting-MTA: dns; gate.spamworks.net X-Postfix-Queue-ID: 3C9511DA0011 X-Postfix-Sender: rfc822; *****@*****.*** Arrival-Date: Wed, 12 Jun 2013 17:59:55 +0900 (JST)

Final-Recipient: rfc822; ****@**** Original-Recipient: rfc822;****@**** Action: failed Status: 4.3.0 Diagnostic-Code: X-Postfix; unknown mail transport error 첨부파일 내용 2 (Undelivered_Message_Headers.txt) Received: from gate.spamworks.net (gate02.2nd.spamworks.net [127.0.0.1])     by gate.spamworks.net (Postfix) with ESMTP id 3C9511DA0011     for <****@****>; Wed, 12 Jun 2013 17:59:55 +0900 (JST) Received: from *****.*** (unknown [121.***.***.11])     by gate.spamworks.net (Postfix) with SMTP     for <****@****>; Wed, 12 Jun 2013 17:59:44 +0900 (JST) Received: from TJKimPC (192.168.1.53)     by *****.*** (121.***.***.12) with [Nmail V3.8 20071121(ST)]     for <****@****> from *****@*****.***;     Wed, 12 Jun 2013 17:59:53 +0900 From: "** ***" *****@*****.*** To: <****@****> Cc: <****@****>,     <****@****>,     <*******@kolen.com>,     <*****@kolen.com>,     =?utf-8?B?J+yYpOyKueykgCDsgqzsm5Dri5gn?= <*****@kolen.com>,     =?utf-8?B?J+ydtOyDgeustSDqs7zsnqXri5gn?= <*******@kolen.com>,     =?utf-8?B?J+ydtOyEseynhCc=?= <*****@kolen.com>,     =?utf-8?B?J+ydtOyKueu2gCDsgqzsm5Dri5gn?= <*****@kolen.com>,     =?utf-8?B?J+yhsOuzke2drCDrtoDsnqXri5gn?= <*******@kolen.com>,     =?utf-8?B?J+2GoOuniOyKpOumrCDsg4HrrLTri5gn?= <*************@kolen.com> References: <****@****> In-Reply-To: <****@****> Subject: =?utf-8?B?UkU6IEtPTEVOIOWQkeOBkeOAgElOVibpgIHjgornirbjga7mt7vku5g=?= Date: Wed, 12 Jun 2013 17:59:45 +0900 Message-ID: <007e01ce674b$2face070$8f06a150$@com> MIME-Version: 1.0 Content-Type: multipart/mixed;     boundary="----=_NextPart_000_007F_01CE6796.9F948870" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acz81rwCtjJCwRV2Q+23Djiv4k1lDwAAD8nwDyWKYhAH1qtjQAYhxS5wBhJ6rxAFqTePMAYll2NABnkTWjAChuDBUAduN47ABohsLcAFT4V+4A4fdFewAABamqABNnSKkA== Content-Language: ko X-Scanned-Virus: ClamAV Passed X-Scanned-SpamPoint: 2.6 X-Scanned-SpamLank: 2 X-Scanned-By: SPAMWORKS Anti-Virus/Spam System Ver 1.0.4