You have an Exchange Server 2010 organization named contoso.com.Your company acquires a company named Fabrikam， Inc. You plan to create new mailboxes for each user from Fabrikam.You need to ensure that each new mailbox can receive e-mail messages sent to fabrikam.com.The solution must not prevent the organization from receiving e-mails sent to contoso.com. What should you do？（）
- ACreate an accepted domain and then create a new e-mail address policy.
- BCreate a remote domain and then modify the default e-mail address policy.
- CCreate a Receive connector and then create a managed folder mailbox policy.
- DModify the default accepted domain and then modify the default e-mail address policy.