Most of the exchange admins are aware of the Microsoft Website for testing exchange connectivity from outside the network.
2010 EMC has included the “Remote Connectivity Analyzer” in the toolbox. SP2 for Exchange 2007 hasn’t updated its EMC toolbox with ExRCA.
Double clicking the tool from EMC opens the Exchange Connectivity Test website.
Check this article for full info regarding remote connectivity analyzer, if you haven’t heard about it yet!
Thanks Deepak.
Good