I think the msg your getting is not the email but the name your trying to use has been picked.. and if you think your email was stolen somewhere else and was used to sign up, then in login you could click on forgot my password and you would get a 4 number digit to login and then it would let you change your password... so i doubt your email was stolen, its more likely that your trying to pick a screen name already in use by somebody else

Registration was closed on draco because of a bug ... try now again.