Banned when i log in(?)

Hi, i downloaded the client and made an account on Nostalrius and when i log in i get "this world of warcraft account has been closed and is no longer available for use".
So i made an other account but i still get the message?. Help please i really wanna play vanilla.
Character - MÃ¥stermind
So i made an other account but i still get the message?. Help please i really wanna play vanilla.
Character - MÃ¥stermind