Thread:Project:Support desk/A robust spam-proof system of user registration/reply

Extension:ConfirmEdit $wgCaptchaTriggers['createaccount'] = true; // only on account creation $wgCaptchaTriggers['badlogin']     = true; // only when password was wrong too often $wgCaptchaTriggers['edit']         = false; $wgCaptchaTriggers['create']       = false; $wgCaptchaTriggers['addurl']       = false;