I think the "unique database entry" is set.
How can I check it, if the registration page has been created?
I did a test and created a new page, and in the wizard, I was able to see/set the email to be a unique entry. But with the establish registration page, how do I get to the Security Assist page manager to see the setting?
I've just got an other question about settings on zip codes, but I'll put that in a new post.