Interesting WebCast for those of you new to Hosted Exchange 2003 and/or those of you who have already created your own hosting solution based on Exchange 200x -
This Support WebCast discusses Windows-based Hosting, including Hosted Exchange 2003 ... Hosted Exchange 2003 enables service providers to offer flexible and scalable rich e-mail, messaging, and collaboration services to consumers, and to both small and medium businesses. Hosted Exchange is a tested, pre-engineered solution that is based on standard Microsoft server products ... The Support WebCast also reviews the important components of the solution and addresses common challenges in the hosting world. This includes multi-tenancy (address isolation between customers), automation and provisioning (creating new customers by using automation and without the RUS), client auto-configuration for Outlook by using RPC over HTTP, active user reporting, three-year CALs versus Service Provider Licensing Agreement, multiple services per hosted organization, and user namespace per organization.