Understanding Exchange Server 2003 Client Access
Exchange 2003 provides users with increased client messaging functionality. Exchange 2003 builds on the technologies of earlier versions of Exchange and now includes several significant messaging capabilities. New for Exchange 2003 are the following:
Microsoft® Office Outlook® 2003 cached mode
Outlook 2003 using RPC over HTTP
Mobile device support using Outlook Mobile Access and Exchange ActiveSync®
Improved Outlook Web Access for Exchange 2003
The new and improved clients enable you to provide your users with a simplified remote access, more access options, and an improved user experience.