빠른처리 감사합니다. 죄송하지만 한가지더 문의드리겠습니다.

메일발송시 아래의 리턴메일이 오는데 내용검색해보면 상대방메일서버 문제라고 나오긴합니다.

그러나 다른 메일로 발송했을때는 정상적으로 받아진다고합니다. 무슨이유일까요?

-----Original Message-----
From: 오지훈 [mailto:****@****]
Sent: Wednesday, December 26, 2012 4:35 PM
To: ****@****
Subject: FW: Error sending message [***-****-*******-****-****12.37148.eml]
from [wapmail.co.kr]

-----Original Message-----
From: wapmail.co.kr PostMaster [mailto:****@****]
Sent: Tuesday, November 27, 2012 2:27 PM
To: ****@****
Subject: Error sending message [***-****-*******-****-****12.37148.eml] from
[wapmail.co.kr]

[<00>] XMail bounce: Rcpt=[****@****];Error=[The maximum number of
delivery attempts has been reached]

[<01>] Error sending message [***-****-*******-****-****12.37148.eml] from
[wapmail.co.kr].

ID:        <S20C7AAB>
Mail From: <****@****>
Rcpt To:   <****@****>
Server:    <mail.tisquare.com> [218.148.22.195]

[<02>] The reason of the delivery failure was:

The maximum number of delivery attempts has been reached

[<04>] Here is listed the message log file:

[PeekTime] ***-****-**** : Tue, 27 Nov 2012 14:15:56 +0900 <<
ErrCode   = -162
ErrString = End of socket stream data
SMAIL SMTP-Send FF = "tisquare.com" SMTP = "wapmail.co.kr" From =
"****@****" To = "****@****" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "tisquare.com"
>>
[PeekTime] ***-****-**** : Tue, 27 Nov 2012 14:18:01 +0900 <<
ErrCode   = -162
ErrString = End of socket stream data
SMAIL SMTP-Send FF = "tisquare.com" SMTP = "wapmail.co.kr" From =
"****@****" To = "****@****" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "tisquare.com"
>>
[PeekTime] ***-****-**** : Tue, 27 Nov 2012 14:20:09 +0900 <<
ErrCode   = -162
ErrString = End of socket stream data
SMAIL SMTP-Send FF = "tisquare.com" SMTP = "wapmail.co.kr" From =
"****@****" To = "****@****" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "tisquare.com"
>>
[PeekTime] ***-****-**** : Tue, 27 Nov 2012 14:22:33 +0900 <<
ErrCode   = -162
ErrString = End of socket stream data
SMAIL SMTP-Send FF = "tisquare.com" SMTP = "wapmail.co.kr" From =
"****@****" To = "****@****" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "tisquare.com"
>>
[PeekTime] ***-****-**** : Tue, 27 Nov 2012 14:24:58 +0900 <<
ErrCode   = -162
ErrString = End of socket stream data
SMAIL SMTP-Send FF = "tisquare.com" SMTP = "wapmail.co.kr" From =
"****@****" To = "****@****" Failed !
SMTP-Error = "417 Temporary delivery error"
SMTP-Server = "tisquare.com"
>>

[<05>] Here is listed the initial part of the message:

X-AuthUser: ****@****
Received: from SECPC ([119.204.86.147]:52905)
 by wapmail.co.kr with [XMail 1.22 PassKorea120228 ESMTP Server]
 id <S20C7AAB> for <****@****> from <****@****>;
 Tue, 27 Nov 2012 14:15:54 +0900
From: =?ks_c_5601-1987?B?v8DB9sjG?= <****@****>
To: <****@****>
Subject: =?ks_c_5601-
1987?B?x/m3wrvnIMGkuri6uMijILGzwLAvwaGwyyC9w8fgsOGw+ijEycDM?=
 =?ks_c_5601-1987?B?v/e9uik=?=
Date: Tue, 27 Nov 2012 14:15:55 +0900
Message-ID: <000001cdcc5e$47910190$d6b304b0$@kworks.co.kr>
MIME-Version: 1.0
Content-Type: multipart/mixed;
 boundary="----=_NextPart_000_0001_01CDCCA9.B77B1A90"
X-Mailer: Microsoft Outlook 14.0
Thread-Index: Ac3MXhz8/yofYoX1STGJHQ2Gk6osLw==
Content-Language: ko