afabc1f7_____About_IT______June_2013__Description
[Topic] Mail Flow [Description] 
As you add more Exchange 2013 servers, you’ll need to carefully plan message routing between servers in different Active Directory sites, other messaging products, and the Internet. Read this topic to learn more about how Exchange 2013 routes traffic, how you can configure efficient highly available mail routing, and how you can perform mail flow monitoring and diagnostics.
.:. About IT .:.: June 2013
Description