multipart.golden

MIME-Version: 1.0
From: "Roman Joost" <foo@bar.com>
To: bar@bar.com
Date: Sun, 20 Mar 1859 00:02:03 +0000
Subject: Hello there
Content-Type: multipart/mixed; boundary=asdf

--asdf
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Content-Type: text/plain; charset=us-ascii

This is a simple mail.
--asdf
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename=foo.bin
Content-Type: application/octet-stream

fileContentsASDF
--asdf--