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Delivered-To: shironeko@example.or.jp
Received: (qmail 1000 invoked from network); 29 Apr 2012 23:34:45 +0900
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    Thu, 29 Apr 2012 23:34:45 +0900
Date: Thu, 29 Apr 2012 23:34:45 +0900
From: Mail Delivery System <MAILER-DAEMON@mxl8.example.net>
To: shironeko@example.or.jp
Subject: Mail delivery failed
Message-Id: <mxl~ffff.0000.0000@mxl8.example.net>
MIME-Version: 1.0
Content-Type: text/plain
X-MX-Bounce: mta/src/queue/bounce
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This message was created automatically by mail delivery software.
A message that you have sent could not be delivered to one or more
recipients.  This is a permanent error.  The following address failed:
  <kijitora@example.jp>: 550 5.1.1 <kijitora@example.jp>: Recipient address rejected: User unknown in local recipient table
Included is a copy of the message header:
-----------------------------------------
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        by mxl8.example.net(mxl_mta-6.5.0-5)
        with ESMTP id 00000000.0.0000000.00-000.00000000.mxl8.example.net 
    (envelope-from <shironeko@example.or.jp>);
        Thu, 29 Apr 2012 23:34:45 +0900 (JST)
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Reply-To: Nyanko <shironeko@example.or.jp>
To: Kijitora <kijitora@example.jp>
Subject: Nyaaan
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Date: Thu, 29 Apr 2012 23:34:45 +0900 (JST)
From: Shironeko <shironeko@example.or.jp>
Nyaan