What should you do?
Your company purchases a company named Contoso, Ltd. Your company plans to accept e-mail messages that are sent to the contoso.com e-mail namespace on your companys existing e-mail servers. The Contoso, Ltd., e-mail servers will be decommissioned. You need to configure your companys Exchange 2007 organization to accept all e-mail messages that are sent to contoso.com.
What should you do?