How To: Find All Mailboxes with Send-As Permission Assigned
tonyn | February 25, 2009http://technet.microsoft.com/en-us/library/aa998291.aspx
Add-ADPermission “Mailbox” -User “Domain\User” -Extendedrights “Send As”
http://www.digwin.com/tip-how-to-managing-send-as-permission-in-exchange-2007-sp1
http://theessentialexchange.com/blogs/michael/archive/2008/01/18/Exchange-Server-Caches.aspx
http://technet.microsoft.com/en-us/library/dd421860.aspx
http://technet.microsoft.com/en-us/library/bb684892.aspx
http://theessentialexchange.com/blogs/michael/archive/2008/01/18/Exchange-Server-Caches.aspx
http://technet.microsoft.com/en-us/library/aa998291.aspx
http://www.shudnow.net/2007/08/12/send-on-behalf-and-send-as/
http://groups.google.com/group/microsoft.public.exchange.admin/browse_thread/thread/fa7ddddb4d29699d