메일서버..다음웹메일에서의 에러메세지... ㅠ.ㅠ (갈켜줘..)

Hi. This is the qmail-send program at xxxx.biz.
I'm afraid I wasn't able to deliver your message to the following
addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

Sorry, no mailbox here by that name. (#5.1.1)

--- Below this line is a copy of the message.

Return-Path
Received (qmail 564 invoked by alias); 9 Apr 2002 142837 -0000
Received from unknown (HELO smail-104.hanmail.net) (211.233.29.59)
by 211.113.98.18 with SMTP; 9 Apr 2002 142837 -0000
Received from www17.hanmail.net (www17.hanmail.net
[211.32.117.37])
by smail-104.hanmail.net (8.10.0/8.9.1) with ESMTP id g39ENb730203;
Tue, 9 Apr 2002 232337 +0900
Received (from hanadmin@localhost)
by www17.hanmail.net (8.10.0/8.9.1) id g39EMvu18546
for ; Tue, 9 Apr 2002 232257 +0900 (KST)
X-Originating-IP [61.248.55.178]
From "=?EUC-KR?B?waSxpMfK?="
Reply-To "=?EUC-KR?B?waSxpMfK?="
Organization
To
Subject test
X-Mailer Daum Web Mailer 1.0
Date Tue, 09 Apr 2002 232257 +0900 (KST)
Message-Id <20020409232257.HM.G0000000004CTE8@www17.hanmail.net>
Errors-To
MIME-Version 1.0
Content-Type text/html; charset=euc-kr
Content-Transfer-Encoding 8bit