Hello all. I have the list users-uam-l whith Subscription=By_Owner. Nobody can subscribe to the list, but everybody can unsubscribe himself. I want to avoid unsubscriptions. It is possible whithout Subscription= By Owner,confirm??? -- ---------------------------------------------------------------- Postmaster de la U.A.M. e-mail: [log in to unmask] Servicio de Informática Fac. de Económicas, E-VI-110 Universidad Autónoma de Madrid Crta. de Colmenar, Km. 15 Fax : +34 91 397 39 14 E-28049 Cantoblanco.España (SPAIN) -----------------------------------------------------------------