With the recently released Microsoft® Exchange Server 2007 Beta 2 (formerly code-named “Exchange 12”), you will be able to install Exchange 2007 and experience newly re-engineered technologies, features, and services that have been added into the Exchange Server product line. To get you started, I will explain the Exchange 2007 server roles and show you how Exchange 2007 has been re-designed to be the most comprehensive and flexible messaging solution out there.

Continue at source.