Steven Hook wrote:

The signatures are HTML "pages" sitting on our web server - designed
in dreamweaver, they are just included (so the web dev guy tells me)
at the botom of the message. they are saved as a signature and
automatically apear when you create a new message. But what's most
irritating is that even attachemnts don't show in OE.

See if something here helps:
http://www.howto-outlook.com/howto/signatures.htm
--
Brian Tillman [MVP-Outlook]