Getting Started with Exchange Server 2007: Server Roles
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.

Courage Omini Says:
November 10th, 2006 at 5:20 am
I want to know in detail, how the Exchange Server 2007 will function.
Note: I wouldn’t want to be left out.
Thanks in anticipation.
Courage