※ 필수입력정보 ※

▷ 제품버젼 :  Nmail 3.8 ASP

▷ 오류발생 메뉴/주소 : 메일 발송시

▷ 에러메세지 :

-----Original Message-----

From: *******.kr PostMaster [mailto:NmailServer@******.**]

Sent: Monday, May 23, 2011 4:34 PM

To: *****@******.co.kr

Subject: Send error 550 Requested action not taken: mailbox unavailable

<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Error Message : 550 Requested action not taken: mailbox unavailable

[****@****]

-- You SendMail --

>> Received: from y**** (115.**.**.**)

>> by w******.kr (211.236.***.**) with [Nmail V3.8 20071121(ET)]

>> for <w******@msn.com> from <g*****@g*****.co.kr>;

>> Mon, 23 May 2011 16:30:07 +0900

>> From: "GREENWI" <g*****@g******.co.kr>

>> To: <w******@msn.com>

>> Subject: =?ks_c_5601-1987?B?sde4rrTPwMyx18GmxaXGvLrqvL7FzcDUtM+02S4=?=

>> Date: Mon, 23 May 2011 16:32:12 +0900

>> Message-ID: <007701cc191b$8821a720$9864f560$@co.kr>

>> MIME-Version: 1.0

>> Content-Type: multipart/mixed;

>> boundary="----=_NextPart_000_0078_01CC1966.F8094F20"

>> X-Mailer: Microsoft Office Outlook 12.0

>> Thread-Index: AcwWv68I4BpCqGYbQR2ajr8OLNMQywCVTAOgAAGg2BA=

>> Content-Language: ko

▷ 질문내용 :

특정 이메일로 발송시 위와 같은 문구가 리턴되며 결국 메일 발송이 되지 않고 있습니다.

위와 관련하여 답변 부탁드립니다.