I am Dale Hayter, a Microsoft and VMware certified Technical Consultant.

My blog has been built up over the years from my experience of working on an IT helpdesk and also from being out on-site.

Find out who forwards to who in Exchange 2007 / 2010

Run the following Powershell command to find out who forwards to who in Exchange 2007 or 2010

Get-Mailbox | Where {$_.ForwardingAddress -ne $null} | Select Name, ForwardingAddress, DeliverToMailboxAndForward

Source : Here