Your Exchange Server 2007 environment is configured as shown in the following table.
Users report that they are receiving a large number of unwanted e-mail messages from the Internet. You need to reduce the number of unwanted messages from the Internet without filtering internal messages.
What should you do?
A.
Enable the anti-spam agents on Server1.
B.
Install and enable the anti-spam agents on Server3.
C.
Increase the value for the spam confidence level (SCL) threshold on the content filter on Server1.
D.
Increase the value for the spam confidence level (SCL) threshold on the content filter on Server3.