Hello, when do internal and external relay domains are used and why are not sent to the right mail server in the first place instead of hoping from one mail server to another ? Thanks

Hi Here's a nice link for you with details about the different types that can be selected http://technet.microsoft.com/en-us/library/bb124423.aspx Hope it will help youJonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | Blog: http://www.testlabs.se/blog | Follow me on twitter: jonand82

helpful thanks

Hello, In Addition to Jonas Andersson. Check this below blog. http://demazter.wordpress.com/2010/02/26/configure-exchange-2007-or-2010-to-relay-email-for-an-additional-domain/ Thanks.