Hi My mail server don't have acces to local network, there is only mail Box. So i can't apply smtpd_client_restrictions Could you confirm me if i apply smtpd_sender_restrictions = permit_mynetworks, reject_unverified_sender Postfix reject sender not in my domain and user without mailbox or alias ???? Thanks Philippe -----Message d'origine----- De : redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] De la part de Jason Dixon Envoyé : vendredi 18 juin 2004 12:28 À : General Red Hat Linux discussion list Objet : Re: POSTFIX UNKNOW SENDER USER On Jun 18, 2004, at 4:01 AM, Philippe Couas wrote: > How can i verify with POSTFIX, valid sender of mail ? > Could i verify that sender user has a mailbox or is an an alias ? smtpd_client_restrictions smtpd_sender_restrictions http://www.postfix.org/documentation.html -- Jason Dixon, RHCE DixonGroup Consulting http://www.dixongroup.net -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list