<message>
<header>
<field>
From: Nathaniel Borenstein &lt;nsb@bellcore.com&gt;</field>
<field>
To:  Ned Freed &lt;ned@innosoft.com&gt;</field>
<field>
Subject: Sample digest message</field>
<field>
MIME-Version: 1.0</field>
<field>
Content-type: multipart/digest; boundary="simple
 boundary"</field>
</header>
<multipart>
<preamble>
This is the preamble.  It is to be ignored, though it
is a handy place for mail composers to include an
explanatory note to non-MIME conformant readers.</preamble>
<body-part>
<header>
</header>
<message>
<header>
<field>
From: noone@nowhere.org</field>
<field>
Subject: embedded message 1</field>
</header>
<body>
This is implicitly-typed ASCII text.
It does NOT end with a linebreak.</body>
</message>
</body-part>
<body-part>
<header>
<field>
Content-type: message/rfc822; charset=us-ascii</field>
</header>
<message>
<header>
<field>
From: noone@nowhere.org</field>
<field>
Subject: embedded message 2</field>
<field>
Content-type: text</field>
</header>
<body>
This is explicitly typed plain ASCII text.
It DOES end with a linebreak.
</body>
</message>
</body-part>
<epilogue>
This is the epilogue.  It is also to be ignored.

</epilogue>
</multipart>
</message>
