InfoWorld: Red Hat Mulls Exchange Competitor

“Red Hat shed a little more light this week on how it intends to
develop the directory and certificate management software it bought
from America Online’s Netscape division. But the company remains
undecided as to whether it will commercialize some other assets it
acquired in the deal, including messaging and collaboration
software analysts say could form the basis of an open-source
alternative to Microsoft Exchange Server.

“Red Hat purchased the Netscape assets, including the Netscape
Directory Server and Netscape Certificate Management System, at the
end of 2004…”

Complete Story