Mime-Version: 1.0
Content-Type: multipart/alternative ; ; ; ;; ;;;;;;;; boundary="foo"
Preamble
--foo
Content-Type: text/plain; charset=us-ascii
The better part
--foo
Content-Type: text/plain; charset=us-ascii
The worse part
--foo--
Mime-Version: 1.0
Content-Type: multipart/alternative ; ; ; ;; ;;;;;;;; boundary="foo"
Preamble
--foo
Content-Type: text/plain; charset=us-ascii
The better part
--foo
Content-Type: text/plain; charset=us-ascii
The worse part
--foo--