paid registration

I'm using the XenCentral Paid Registration system so that new users need to pay a small sign up fee to join my community. It's been the only effective method of tackling spam that I have found. * Please note that these questions are not related to the add-on itself but are in relation to how...

XC Invitation & Paid Registration System is a fully-featured add-on allowing to enable free/paid invitations/referral and paid registration on your community. Product provides a solid system of monetizing the community using invitations and paid registration packages, as well as anti-spam...