From: from@example.com
Subject: Test Email
To: to@example.com
Date: [^\n]+
MIME-Version: 1\.0
Content-Type: multipart/mixed; boundary="[^"]+"
Content-Transfer-Encoding: 7bit


--\S+
Date: [^\n]+
MIME-Version: 1\.0
Content-Type: multipart/alternative; boundary="[^"]+"
Content-Transfer-Encoding: 7bit


--\S+
Date: [^\n]+
MIME-Version: 1\.0
Content-Type: text/plain

This is a simple text-only email\.
--\S+
Date: [^\n]+
MIME-Version: 1\.0
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<p>This is a generic message for <b>testing purposes only</b>\.</p>=

--\S+

--\S+
Date: [^\n]+
MIME-Version: 1\.0
.*

GIF89a=01=00=01=00=80=00=00=FF=FF=FF=00=00=00!=F9=04=00=00=00=00=00,=00=00=
=00=00=01=00=01=00=00=02=02D=01=00;=

--\S+
Date: [^\n]+
MIME-Version: 1\.0
.*

GIF89a=01=00=01=00=80=00=00=FF=FF=FF=00=00=00!=F9=04=00=00=00=00=00,=00=00=
=00=00=01=00=01=00=00=02=02D=01=00;=

--[^\-]+--
