Exchange Server Protocolshttp://blogs.technet.com/mfugatt/archive/2008/05/24/exchange-server-protocols.aspxThe Microsoft Exchange Server Protocols documentation provides detailed technical specifications for Microsoft proprietary protocols (including extensions to industry-standard or other published protocols) in the Microsoft Exchange Server system. Theen-GBCommunityServer 2.1 SP1 (Build: 61025.2)