Am 31.05.2011 16:35, schrieb Patrick Riehecky: > If I were to hazard a guess, I would suspect that /etc/hosts is to blame here. This was the first place I looked at, but: 127.0.0.1 localhost.localdomain localhost.localdomain localhost4 localhost4.localdomain4 localhost 192.168.29.14 vm01.test.local vm01 > ... as well as, postconf -d |grep my and seeing how those match up. # postconf -d |grep my append_at_myorigin = yes append_dot_mydomain = yes lmtp_lhlo_name = $myhostname local_transport = local:$myhostname milter_macro_daemon_name = $myhostname mydestination = $myhostname, localhost.$mydomain, localhost mydomain = localdomain myhostname = vm01.localdomain mynetworks = 127.0.0.0/8 192.168.29.0/24 192.168.20.0/24 mynetworks_style = subnet myorigin = $myhostname parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,relay_domains,smtpd_access_maps proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $sender_bcc_maps $recipient_bcc_maps $smtp_generic_maps $lmtp_generic_maps relay_domains = $mydestination smtp_helo_name = $myhostname smtpd_banner = $myhostname ESMTP $mail_name smtpd_client_event_limit_exceptions = ${smtpd_client_connection_limit_exceptions:$mynetworks} smtpd_proxy_ehlo = $myhostname smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination "myhostname = vm01.localdomain" - but where does postfix get the "localdomain" from, instead of the real domain of the host.