Hello, i'm on a server with debian jessie, ispconfig3, postfix and mailman. i have successfully access to mailman in creation with ispconfig, and after with the webinterface mailman, i can suscribe, unsuscribe with web interface but : when i send a mail to the list email as each suscriber or just to replay for confirm subscription, postfix reply to me with error : mail loops back to myself many thread about this exist, but i don't solve my problem, any users of ispconfig hae an idea ? if i want reinstall mailman after apt-get purge, ispconfig link with mailman in menu mailing list should be again functionnal ? (sorry for my poor english) thx by advance