You are the messaging engineer for your company. Your company hosts five different SMTP domains. Your company plans to deploy Exchange Server 2007 on a server named Server1. Server1 will receive all inbound SMTP e-mail for your company. You need to recommend a configuration that allows users to receive e-mail for all five SMTP domains. Which two configurations should you recommend? (Each correct answer presents part of the solution. Choose two.)

A.
For each SMTP domain, create a Send connector.

B.
For each SMTP domain, create an Email Address Policy and remove the default Receive connector.

C.
For each SMTP domain, create an Email Address Policy and configure an Accepted Domain.

D.
Add the Anonymous Users permission to the default Receive connector.

E.
Add the Legacy Exchange Servers permission to the default Receive connector.

Explanation:
See Q.10.

EMC > Organization Configuration > Edge or Hub Transport > New Accepted Domain…

EMC > Organization Configuration > Edge or Hub Transport > New Email Address Policy…

EMC > Server Configuration > Receive Connectors > Default Server Name > Properties > Permission Groups

Permissions granted to Anonymous Permission Group:
1. Submit messages to server
2. Accept any sender
3. Accept routing headers

http://technet.microsoft.com/en-us/library/aa996395.aspx