Mastering Microsoft Exchange Server 2007 SP1

One of the primary functions of an Exchange server is to send and receive messages. That job is the function of the Hub Transport server role. Once you start sending messages between more than one Exchange server, you must understand how Exchange Server 2007 uses your existing Active Directory infrastructure to route messages between Hub Transport and Mailbox servers.

Once you open your Exchange servers to receive e-mail from the Internet, you also have to contend with spam and viruses. Exchange Server 2007 introduced the concept of the Edge Transport server role, which helps in the fight against unwanted message content.

In the next few chapters, we will cover some additional topics that should be helpful to you when managing your message routing infrastructure. Chapter 20, "Securing Exchange Server," discusses concepts that include providing multilayer virus protection and hardening the Windows Server platform. Chapter 21, "Logging, Auditing, and Monitoring," includes topics such as enabling protocol logging for debugging and tracking purposes as well as using the Exchange Server 2007 queue management features.