Your company acquires a new internet domain name.
You need to ensure that all users can receive email messages sent to the new domain name.
Which two actions should you perform?
(Each correct answer presents part of the solution. Choose two).

A.
Modify the email address policy.

B.
Create an Authoritative accepted domain.

C.
Create an External Relay accepted domain.

D.
Modify the properties of the default Receive connector.

E.
Generate a new Exchange certificate that contains the new domain name.