Hello all, my SuSE-Email-Server-II works as an open relay server and i'm not able to solve the problem. Here is the output from postconf -n : ____________________ gw0324:~ # postconf -n alias_database = hash:/etc/aliases, hash:/home/mailman/bin/aliases alias_maps = hash:/etc/aliases, ldap:ldapaliases, ldap:ldapml, hash:/home/mailman/bin/aliases canonical_maps = hash:/etc/postfix/canonical command_directory = /usr/sbin daemon_directory = /usr/lib/postfix debug_peer_level = 2 default_destination_concurrency_limit = 1 default_privs = cyrus defer_transports = disable_dns_lookups = no local_destination_concurrency_limit = 2 mail_name = Postfix on SuSE eMail Server 2.0 mailbox_transport = procmail maps_rbl_domains = relays.ordb.org masquerade_domains = $domain masquerade_exceptions = root maximal_queue_lifetime = 1 maximal_queue_lifetime = 1 mydestination = $mydomain, $myhostname, localhost.$mydomain, pame.org, ginni.de, hotel-tsapakis.de, mahling.net, projekt-pame.de, adv-nrw.de, lebens-werkstatt.net, sfe-kevelaer.de myhostname = gw0324.klaus-mahling.de mynetworks = 212.185.26.71/255.255.255.0 myorigin = $mydomain program_directory = /usr/lib/postfix recipient_delimiter = + relayhost = relocated_maps = hash:/etc/postfix/relocated sender_canonical_maps = ldap:ldapcanonical smtpd_recipient_restrictions = reject_maps_rbl, ldap:ldapmailenab, check_relay_ccerts, permit_mynetworks, check_ relay_domains, ldap:ldapmlgrp smtpd_sender_restrictions = hash:/etc/postfix/access transport_maps = hash:/etc/postfix/transport virtual_maps = hash:/etc/postfix/virtual _____________________ Any ideas ? -- THX Klaus Mahling mailto:admin@klaus-mahling.de