This note compares the two leading collaborative messaging systems, Lotus Notes and Microsoft Exchange, in the areas of functionality, technology, cost, service, support, corporate viability, and corporate strategy.
and Exchange are pursuing Unified Messaging and Wireless messaging, but they differ in database functionality and usage. Notes has targeted its databases at applications and included a web server to further the proliferation of MAPI (Mail Application Programming Interface) enabled databases. Exchange, as previously mentioned, is more focused on ease of use and feature rich functionality. While Exchange does not include a web server, it fully integrates with Microsoft's Internet Information Server