Return-path: <>
Envelope-to: djcb@localhost
Delivery-date: Sun, 20 May 2012 09:59:51 +0300
From: Steve Jobs <jobs@example.com>
To: Bill Gates <bg@example.com>
Subject: multimime
User-agent: mu4e 0.9.8.4; emacs 23.3.1
Date: Sat, 19 May 2012 20:57:56 +0100
Message-ID: <m2fwaw2baz.fsf@example.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="=-=-="

--=-=-=
Content-Type: text/plain

abc
--=-=-=
Content-Type: application/octet-stream
Content-Disposition: attachment; filename="test1.C"
Content-Transfer-Encoding: base64

aGVyZSBpcyBhIHNpbXBsZSB0ZXN0IGZpbGUuCg==
--=-=-=
Content-Type: text/plain

def
--=-=-=--