|When enabled, the Allow Membership configuration enables visitors of the host's web site to become members, which gives them access to:
web email for firstname.lastname@example.org
post in any message forums
participate in Interactive Stories, In & Outs, Polls and more
create a BioBlock area
configure their own account to their preferences
FIND THE CONFIGURATION TO ENABLE
From your Premium Plus pulldown menu, choose "Manage Web Sites".
From the Web Site Management page, choose the web site for which you would like to configure. Choose "Edit: Config" under the preferred domain name. Scroll to the "Web Site Configuration" area and find "Allow Membership".