Your Exchange organization includes a mail-enabled distribution group named AllEmployees.
You need to ensure that only members of a group named Group1 can send e-mail messages to the AllEmployees group.
Which properties should you modify?

A.
Modify the properties of Group1.

B.
Modify the properties of each Group1 member.

C.
Modify the properties of the AllEmployees group.

D.
Modify the properties of the global address list (GAL).