[xml] Any one can show me an example of how to use MIME to attach binar y file?

From: Ming Lu <mlu argus ca>
To: xml gnome org
Subject: [xml] Any one can show me an example of how to use MIME to attach binar y file?
Date: Thu, 8 Mar 2001 09:40:09 -0800

Search a lot and can't find an example.Thanx very much