Overview

This white paper introduces the Microsoft Exchange Server 2007 Service Pack 1 (SP1) new features related to the Microsoft Solution for Hosted Messaging and Collaboration version 4.0. In particular, it addresses key features in anywhere access, built-in protection, and operation efficiency.

http://www.microsoft.com/downloads/details.aspx?FamilyId=AA5B83FD-E7F3-4C30-BE07-6BEC5D9859A3&displaylang=en