안녕하세요?
제가 nmail이 설치된 계정으로 보내면 Delivery failure 란 메일이 들어옵니다.
어디서 잘못된 것인지 확인좀 부탁드립니다. 그럼, 이만...

Your message has encountered delivery problems to ****@****

550 Not Pop3 Before authentication

Your message reads (in part):

Received: from jhoh (unverified [211.218.39.131]) by ns.dinno.net
(EMWAC SMTPRS 0.83) with SMTP id <****@****>;
Wed, 07 Aug 2002 09:58:21 +0900
From: "Jonghwan Oh" <****@****>
To: <****@****>
Subject: 12
Date: Wed, 7 Aug 2002 09:57:47 +0900
Message-ID: <****@****>
MIME-Version: 1.0
Content-Type: text/plain;
charset="ks_c_5601-1987"
Content-Transfer-Encoding: base64
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0)
X-MimeOLE: Produced By Microsoft MimeOLE V6.***-****-****
Importance: Normal

MTIJMTIxMjEyMTIJCQ==