Thread:Project:Support desk/Aprrove account before they are able to login/reply (2)

I don't understand exactly what you're trying to do. I suggest it would be easier to create a new group "approved" and allow people to set up accounts as usual.

Make sure the 'user' group's permissions are limited so that they can't do what you don't want un-approved users doing. This would include things like editing or reading pages in a certain namespace (or even the whole wiki).

This allows you to use the built-in permissions system to approve users for a particular ability by hand. For example, you could allow users to log in but do nothing else until they had been approved.