Dear Wieste, Thank you very much for the information below. However, I am still receiving the following error from POSTFIX
Sep 6 10:10:44 informs-app02-listserv postfix/smtpd[5905]: connect from unknown[216.230.111.81] Sep 6 10:10:44 informs-app02-listserv postfix/smtpd[5905]: NOQUEUE: reject: RCPT from unknown[216.230.111.81]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<mail.or-exchange.com> Sep 6 10:10:44 informs-app02-listserv postfix/smtpd[5905]: disconnect from unknown[216.230.111.81] Sep 6 10:10:44 informs-app02-listserv postfix/smtpd[5993]: connect from unknown[216.230.111.81] Sep 6 10:10:44 informs-app02-listserv postfix/smtpd[5993]: F19482111E: client=unknown[216.230.111.81] Sep 6 10:10:44 informs-app02-listserv postfix/cleanup[6319]: F19482111E: message-id=<[email protected]> Sep 6 10:10:45 informs-app02-listserv postfix/qmgr[2267]: F19482111E: from=<>, size=4876, nrcpt=1 (queue active) Sep 6 10:10:45 informs-app02-listserv postfix/smtpd[5993]: disconnect from unknown[216.230.111.81] Sep 6 10:10:45 informs-app02-listserv spamd[2816]: spamd: connection from localhost [127.0.0.1] at port 33883 Here is the main configuration for the central POSTFIX mail server at IP address 216.230.111.85 (public IP) the private IP is 10.41.20.18 *question- do I need to add the public IP to mynetworks? (POSTCONF -n) alias_database = hash:/etc/aliases, hash:/etc/mailman/aliases alias_maps = hash:/etc/aliases, hash:/etc/mailman/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_protocols = all local_recipient_maps = unix:passwd.byname $alias_maps mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, list.$mydomain, localhost.$mydomain mydomain = informs.org myhostname = mail.informs.org mynetworks = 10.41.20.0/24, 127.0.0.0/8 (this includes the private IP LAN address -- same subnet) myorigin = $myhostname newaliases_path = /usr/bin/newaliases.postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES recipient_delimiter = + relay_domains = mail.or-exchange.com, list.informs.org sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop transport_maps = hash:/etc/postfix/transport unknown_local_recipient_reject_code = 550 Here is the App server that sends mail to above server (POSTCONF -n) alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost mydomain = or-exchange.com myhostname = mail.or-exchange.com relayhost = mail.informs.org myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 (transport file - db file was made) ### added inbound/outbound relay domain information - read rules above mail.or-exchange.com relay:[mail.informs.org] Thank you in advance, Rose -----Original Message----- From: [email protected] [mailto:[email protected]] Sent: Friday, August 31, 2012 1:27 PM To: Futchko, Rose Cc: Postfix users Subject: Re: Postfix Multi-Instance on multiple hosts Futchko, Rose: > Diagnostic-Code: smtp; 554 5.7.1 <[email protected]>: Relay access denied http://www.postfix.org/BASIC_CONFIGURATION_README.html#relay_from Wietse
