Managing Transport Agents

Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.


Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3

Transport agents let you install custom software on a server running Microsoft Exchange Server 2007 that will process e-mail messages that pass through the categorizer on a Hub Transport server role or Edge Transport server role. Custom transport agents enable additional functionality in Exchange 2007, such as anti-spam or antivirus programs from third-party vendors.

Transport agents are typically installed automatically as part of applications that are designed to function together with Exchange 2007. However, there may be instances where organizations want develop their own transport agents to manage mail that flows through their Exchange 2007 organization.

The following topics explain the administration and configuration of transport agents: