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아래와 같은 내용으로 리턴매일이 엄청나게 들어오는중인데요...

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[<00>] XMail bounce: Rcpt=[****@****];Error=[554 5.5.4 Relaying denied. IP name lookup failed for 114.207.244.80]


[<01>] Error sending message [1462425769352.3586104208.36038.eml] from [lions354c.com].

ID:
Mail From: <****@****>
Rcpt To: <****@****>
Server: [107.14.73.70]


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

554 5.5.4 Relaying denied. IP name lookup failed for 114.207.244.80


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

[PeekTime] 1462426749 : Thu, 5 May 2016 14:39:09 +0900
<<
ErrCode = -41
ErrString = Bad server response
ErrInfo = 554 5.5.4 Relaying denied. IP name lookup failed for 114.207.244.80
SMAIL SMTP-Send MX = "dnvrco-pub-iedge-vip.email.rr.com." SMTP = "lions354c.com" From = "****@****" To = "****@****" Failed !
SMTP-Error = "554 5.5.4 Relaying denied. IP name lookup failed for 114.207.244.80"
SMTP-Server = "dnvrco-pub-iedge-vip.email.rr.com."
>>


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

X-AuthUser: ****@****
Received: from [185.118.167.245] ([185.118.167.245]:59788)
by lions354c.com with [XMail 1.22 PassKorea120228 ESMTP Server]
id for <****@****> from <****@****>;
Thu, 5 May 2016 14:22:27 +0900
Content-Type: text/plain; charset="iso-8859-1"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Description: Mail message body
Subject: Claim: Abandoned Package.
To: Recipient <****@****>
From: "Mr.Roland Perret" <****@****>
Date: Thu, 05 May 2016 05:21:11 -0700
Reply-To: ****@****