Check out the new Exchange 2013 transport agent documentation!

We have updated the Exchange 2013 transport agent content to include links to
new code samples, new and updated API documentation, and new conceptual
information that describes how transport agents fit into the transport pipeline
in Exchange 2013.

For new conceptual information that will help you develop transport agents
for Exchange 2013, see Transport agent concepts.

We have added documentation for the following new enumerations:

For more information about updated API reference documentation, see New and updated
transport agent APIs
.

To learn about the .NET Framework classes you can use in your Exchange 2013
transport agents to read, write, and modify messages, see Reading and modifying
messages in the transport pipeline
.

And don’t forget to check out our Transport agent code
samples
!