From: "X. Ample" <example@example.com>
To: example@example.org
Subject: this is some message
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=123
--123
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
This is from Ricardo Julián Besteiro Signes. He likes Queensrÿche.
--123
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
This is from Ricardo Julian Besteiro Signes. He likes Queensryche.
--123--