As messaging or email increases in volume and size, the need for a scalable enterprise messaging system becomes more apparent to many organizations. The Sun(TM) ONE Messaging Server product fills this requirement and more. However, as with any system, the planning, installation, and routine maintenance tasks have a significant impact on throughput and availability.This book details best practices for architecting, deploying, and integrating the Sun ONE Messaging Server 5.2 product. It covers topics ranging from the basics of planning the system, to a sample installation, and on to monitoring and tuning the system to ensure that it is operational.