You have an Exchange organization. All servers in the organization have Exchange Server
2010 Service Pack 1 (SP1) installed.
Your company acquires a new Internet domain name.
You need to ensure that all users can receive e-mail 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 properties of the default Receive connector.
B.
Create an External Relay accepted domain.
C.
Generate a new Exchange certificate that contains the new domain name.
D.
Modify the e-mail address policy.
E.
Create an Authoritative accepted domain.