Your Exchange Server 2007 environment has an Edge Transport server in the perimeter network and a Hub Transport server in the internal network. You identify a specific IP address that is sending unsolicited e-mail to your company. You need to ensure that all e-mail from this specific IP address is rejected. What should you do?

A.
Modify the Connection Filtering settings on the Hub Transport server

B.
Modify the Connection Filtering settings on the Edge Transport server

C.
Modify the Sender Filtering settings on the Hub Transport server

D.
Modify the Sender Filtering settings on the Edge Transport server