An Internet user transfers directly to a domain within an e-community without returning to a home domain or reauthenticating by providing to a web browser by a home domain server a home identity cookie with an extensible data area and an enrollment token; performing enrollment through an e-community for a web-browser user by redirecting the home identity cookie via the web browser to each affiliated domain in the e-community until each has been visited once; responsive to each visit to each affiliated domain, sending an affiliated domain identity cookie to the web browser including an enrollment successful indicator; accumulating received enrollment success indicators in the extensible data area of the home identity cookie; and subsequently, vouching for an identity of the user at an affiliated domain through exchange of a vouch-for request and vouch-for response between the home domain server and an affiliated domain server.