Yahoo spades league by case ladders?

I'm a member of a spades league that is is by yahoo ladder cases my friend and i played together when we visited each other one time, we were never warned nor boxed, we were banned from the head admins stopping us from ever playing together again even when we don't live with one another. we were listed as same household accounts is this legal as to what the league has done to us remnd you we were never warned or boxed for a period of time and we love playing together . what can we do if there is something that can be done?