NMail 사용 중 에러 입니다.

현재, 받기는 되는데 보내기가 안됩니다. 보내기 성공후 아래와 같이 에러로 리턴됩니다.
확인 좀 부탁립니다.
(mail.chironsoft.com)

※ 필수입력정보 ※

▷ 제품버젼 : NMail 3.6
▷ 사용중인 주소(URL) : mail.chironsoft.com
▷ 문제발생시 메뉴/주소 :
▷ 문제발생시 에러메세지
:
!Nmail Send error Process Running Error

Error Message : Process Running Error

-- You SendMail --

>> Received: from JUPITER (220.123.0.128)
>> MX_Record = (mail.chironsoft.com;)
>> by chironsoft.com (61.81.119.174) with [Nmail V3.6 20040105(S)]
>> for <****@****> from <****@****>;
>> Thu, 29 Sep 2005 09:51:47 +0900
>> From: =?ks_c_5601-1987?B?vcnA57yu?= <****@****>
>> To: <****@****>
>> Subject: =?ks_c_5601-1987?B?xde9usauILjewM8gW73JwOe8rl0=?=
>> Date: Thu, 29 Sep 2005 09:48:42 +0900
>> MIME-Version: 1.0
>> Content-Type: multipart/alternative;
>> boundary="----=_NextPart_000_0011_01C5C4DA.F9E4E750"
>> X-Mailer: Microsoft Office Outlook, Build 11.0.6353
>> Thread-Index: AcXEj4mpkGP4ysgASaCDfy25HhCwwQ==
>> X-MimeOLE: Produced By Microsoft MimeOLE V6.***-****-****
>>
>> This is a multi-part message in MIME format.
>>
>> ------=_NextPart_000_0011_01C5C4DA.F9E4E750
>> Content-Type: text/plain;
>> charset="ks_c_5601-1987"
>> Content-Transfer-Encoding: 7bit
>>
>>

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▷ 질문내용
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