From: Somebody <somebody@server.dom>
To: Another <another@server.dom>
Subject: Unknown MIME attached
MIME-Version: 1.0
User-Agent: eZ components
Date: Thu, 01 Mar 2007 14:22:34 +0100
Message-Id: <200703011414134.13962.0@server.dom>
Content-Type: multipart/mixed; boundary="200703011414134:13962:0"

This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.

--200703011414134:13962:0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 8bit

What is the attached MIME?
--200703011414134:13962:0
Content-Type: message/unrecognized; name="unknown.dat"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="unknown.dat"

U29tZSBjb250ZW50cw==

--200703011414134:13962:0--