MS Exchange Server competition

[Greg Rundlett]

In case you missed it...

People are often looking for Linux work-alikes for MS Exchange Server.  
Novell just announced that they are making SUSE OpenExchange GPL.  This 
should mean lots of good things, and faster adoption.
http://mirror.open-xchange.org/ox/EN/community/

Also, there is a project called OpenGroupware which is GPL
http://opengroupware.org/en/users/faq/index.html

-Greg