new banning techniques, now people just remake accounts and try to harass people again and again sometimes within the same day or week, shadow banning or multiple forms of banning on one account, ip banning and mac address banning
Mac address can’t work for bans, as MAC addresses aren’t visible to the endpoint (passed the first hop/router). Please review your IT classes. ;) http://security.stackexchange.com/questions/1118/can-i-block-based-on-mac-address. We’re looking into SMS account verification though.