You have an Exchange Server 2010 organization.
You discover that messages sent to the Internet include internal Exchange routing information in the message header.
You need to prevent internal routing information from being sent to external recipients.
What should you do?
A. Create a new remote domain.
B. Modify the permissions of the Send connector.
C. Modify the properties of the sender reputation feature.
D. Enable domain security on the default Receive connector.
