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Delivery-date: Thu, 29 Apr 2012 23:34:45 +0900
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To: sironeko@neko.example.com
Subject: Mail delivery failed: returning message to sender
Message-Id: <nekochan-nyaaan-22@neko.example.com>
Date: Thu, 29 Apr 2012 23:34:45 +0900
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
  kijitora@example.us
    (ultimately generated from nyaan@example.com)
    SMTP error from remote mail server after end of data:
    host neko2.example.de [192.0.2.222]: 500 Line limit exceeded
------ This is a copy of the message, including all the headers. ------
Return-path: <sironeko@neko.example.com>
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To: nyaan@sironekotator.com
Subject: Nyaan
Date: Thu, 3 Apr 2012 23:34:45 +0900
From: Sironeko <sironeko@example.com>
Message-ID: <22222222222222222222222200000000@example.com>
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Nyaan