Book excerpt: Exchange Server 2003 is the latest version of Microsoft's heavyweight entry in the messaging and collaboration arena (competing with the likes of Lotus Notes). Exam 70-284 is a core requirement for Microsoft's new MCSE: Messaging specialization, or can be applied as an elective for either the MCSA or MCSE designations. The exam measures a candidate s ability to implement, manage and troubleshoot an Exchange Server 2003 organization." Chapter 1 Introduction to Microsoft Exchange." Chapter 2 Microsoft Exchange Architecture." Chapter 3 Installing Microsoft Exchange Server 2003." Chapter 4 Creating and Managing Exchange Clusters." Chapter 5 Creating and Managing Exchange Recipients." Chapter 6 Using Public Folders." Chapter 7 Configuring Client Access." Chapter 8 Building Administrative and Routing Groups." Chapter 9 Configuring the Information Store." Chapter 10 Administration and Maintenance." Chapter 11 Coexisting with and Migrating from Exchange 5.5." Chapter 12 Coexisting with and Upgrading from Exchange 2000 Server." Chapter 13 Connecting with Other Messaging Systems." Chapter 14 Backup and Recovery." Chapter 15 Securing and Troubleshooting Exchange Server 2003.