Sun Java System Messaging Server is a high-performance, highly secure messaging platform. Scaling from thousands to millions of users, Messaging Server is suitable for businesses interested in consolidating email servers and reducing total cost of ownership of the communications infrastructure. Messaging Server provides extensive security features that help ensure the integrity of communications through user authentication, session encryption, and the appropriate content filtering to help prevent spam and viruses.
With Messaging Server, organizations can provide secure, reliable messaging services for entire communities of employees, partners, and customers.
For more information about Messaging Server features, see the following documentation: http://docs.sun.com/app/docs/coll/1312.1