Foreign cc:Mail domain document - Basics tab
FieldEnter
Domain typeChoose Foreign domain.
cc:Mail domain NameThe domain name of the cc:Mail MTA. For example, CCMAIL.

This name must match the name you entered in the Foreign cc:Mail Domain field of the corresponding cc:Mail Post Office Server document. If you have only one directly connected post office, this name must also match the name entered in the Foreign cc:Mail Domain field of the MTA server's Server document (MTAs - cc:Mail MTA tab).

Domain descriptionAn optional description for the cc:Mail MTA; for example, Domain for ccMTA