MS Exchange Server Client Access License 5.5 Upgrade

MS Exchange Server Client Access License 5.5 Upgrade ... need a way to send e-mail or create groupware. Businesses need a comprehensive messaging platform that includes the tools necessary to create rich collaboration applications. Microsoft Exchange Server is that platform. Microsoft Exchange Server is scalable, reliable, and secure. It offers high performance and high availability. Exchange Server allows you to choose the protocols and clients that are best for them, rather than locking them into a single protocol environment. You want to build collaborative applications that take advantage of the messaging platform. Exchange Server provides tools that help you take advantage of existing knowledge.