You need to ensure that SMTP e-mail messages can be delivered when the messages are sent to addresses that end with @fourthcoffee.com and are intended for the Exchange Server 5.5 environment. Which three courses of action should you perform？（）
- ACreate mail-enabled contacts in the fourthcoffee.com domain for each Exchange Server 5.5 recipient. Establish the e-mail address to have an address that ends with @oldmail.fourthcoffee.com
- BCreate mail-enabled contacts in the fourthcoffee.com domain for each Exchange Server 5.5 recipient. Establish the e-mail address to have an address that ends with @fourthcoffee.com
- CConfigure each Exchange Server 5.5 recipient to have an address e-mail address that ends with @oldmail.fourthcoffee.com. Set the @oldmail.fourthcoffee.com address to be the default reply address
- DConfigure each Exchange Server 5.5 recipient to have an additional e-mail address that ends with @oldmail.fourthcoffee.com. Set the @fourthcoffee.com address to be the default reply address
- EConfigure each Exchange Server 5.5 recipient to use a single SMTP address that ends with @oldmail.fourthcoffee.com
- FConfigure an SMTP connector between the Exchange Server 2003 routing group at the Sydney office and the Exchange Server 5.5 site at the Sydney office. Configure the connector namespace to be oldmail.fourthcoffee.com
- GConfigure an SMTP connector between the Exchange Server 2003 routing group at the Sydney office and the Exchange Server 5.5 site at the Sydney office. Configure the connector namespace to be fourthcofee.com