The only suggestion I can make is to disable custom passwords (WP Admin -> s2Member -> General Options -> Registration/Profile Fields & Options -> Allow Custom Passwords during Registration = No), which would cause the password to be emailed to the user, thereby requiring them to check their email, get the password, and then login.
This wouldn't prevent anyone from using multiple email accounts to create free accounts, but it would certainly make it more time consuming.Statistics: Posted by Raam Dev — January 2nd, 2012, 4:58 pm
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