The ACME corporation is receiving a large amount of mail that is addressed to users that are not listed in the Domino Directory. The administrator wants to configure the server to check that recipients are listed in the directory and to refuse any mail addressed to a group name. In which of the following areas is this configured?

A.
Inbound Sender Controls

B.
Inbound Relay Enforcement

C.
Inbound Connection Controls

D.
Inbound Intended Recipient Controls