[Zope] Zope-mail gateway

Zope acts as a publishing medium between documents that can be rendered on the server side and clients. So far there is http, ftp, webdav etc as protocols for this interaction. How about mail? I send a mail. It gets mapped to a zope object somehow. This object gets rendered and sent back. Zope could support smtp or it could use pop polling. Using it as a list server it would probably inefficient but for processing email forms etc it would be very cool.