What s New

What's New

With the introduction of Exchange Server 2003, Microsoft has updated the development methods and APIs available for extending Exchange functionality and leveraging Exchange as an application development platform.

This chapter explores the extensibility that has been added to Exchange 2003, which centers around protecting your Exchange installation from viruses by using an updated version of Microsoft's VSAPI.

APPLICATION DEVELOPMENT

If you want to get a jump-start on learning about the new application development features in Exchange 2003, skip ahead to Chapter 12, "Application Development," page 145.

Integrating virus scanning with Exchange has had a checkered history, with virus scanning vendors originally developing their own creative methods for scanning email messages as Microsoft struggled to create a VSAPI that had the features required for an enterprise-strength VSAPI.