Symbian will license the Microsoft Exchange Server ActiveSync protocol for in Symbian OSTM. Symbian OS licensees worldwide can enable a range of mobile email solutions and other personal information management data using the ActiveSync "plug-in" supported by Microsoft Exchange Server 2003.
Why is this important? This is a crucial step in the right direction for the mobile market. Microsoft has the lion’s share of the e-mail market and with the ability to allow the entire Symbian family of products to seamlessly interoperate with Exchange Server, the question becomes why will Blackberries be needed?
This is an oversimplification of the market. Blackberries have other advantages beyond syncing but this is one less hurdle phone developers will have to overcome when trying to integrate with MS Exchange Server.