A. Map the subscriber email address to the EMAIL_ADDRESS__ field in the contacts list to be used for messaging.

B. Map a field that the client uses to uniquely identify each subscriber to either CUSTOMER_ID_ or EMAIL_ADDRESS_field in the contacts list.

C. Encourage your client to add as many custom fields as possible to the profile list to increase processing efficiency, thereby eliminating the need for profile extension tables.

D. Ensure thatfield names are not duplicated in profile lists and profile extension tables to avoid confusion during personalization or targeting steps in the Responsys campaign design process.

E. Map a field that the client uses to uniquely identify each subscriber tothe RIID_ field in the contacts list.