Devin loves living in the future and shows you how a VoIP PBX, Outlook, and an iPod make this so.
As promised, Devin explains the three rules you need in ISA Server to properly secure communications between the Exchange 2007 Edge server in the perimeter network and the Hub Transport servers in the internal network.
Devin received an article that talks about how the practice of using a backup MX service can cause problems when used in conjunction with an improperly configured SPF/Sender ID screening implementation....and he doesn't agree with the conclusion they drew.
The release Exchange 2007 docs advocate a curious two-interface configuration for the Edge server. Devin examines this advice and fails to find the sense in it.
Wherein Devin has fun with the Exchange Management Shell, sorting Exchange mailboxes by size, and a sampling of the diverse tasks one can achieve by doing so.