def change_state(identifier, state)
      params = {:freshmail_subscriber => identifier, :state => state}

      path = client.path_for(:change_state)
      make_post_request(path, params)
    end
def change_state(identifier, state)
      params = {:freshmail_subscriber => identifier, :state => state}

      path = client.path_for(:change_state)
      make_post_request(path, params)
    end
4 – subskrybent wypisany
6 – subskrybent skasowany