root@COLO9322:/etc/postfix# cat main.cf | egrep -v '^#' | egrep -v '^$' smtpd_banner = $myhostname ESMTP $mail_name (COLO9322) biff = no append_dot_mydomain = no readme_directory = no smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache myhostname = mail.forexyard.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases mydestination = colo9322, localhost.localdomain, localhost mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128, 94.100.28.96/28 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all smtp_bind_address = 94.100.28.103 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/saslpw smtp_sasl_security_options = sender_canonical_maps = hash:/etc/postfix/sender_canonical recipient_canonical_maps = hash:/etc/postfix/sender_canonical virtual_mailbox_base=/var/mail virtual_mailbox_domains=proxy:mysql:/etc/postfix/sql/relay_domains.cf virtual_uid_maps=static:105 virtual_gid_maps=static:113 virtual_alias_maps=proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf,proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf,proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf virtual_mailbox_maps=proxy:mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf,proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf virtual_create_maildirsize=yes virtual_mailbox_extended=yes virtual_mailbox_limit_maps=mysql:/etc/postfix/sql/mysql_virtual_mailbox_limit_maps.cf virtual_mailbox_limit_override=yes virtual_maildir_limit_message=Sorry, this inbox has overdrawn its diskspace quota, please try again later. virtual_overquota_bounce=yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net, permit relayhost = smtpd_client_event_limit_exceptions = $mynetworks, 209.172.32.198, 62.219.145.234, 193.238.188.65, 72.55.148.103, 64.15.134.150 header_checks = regexp:/etc/postfix/header_checks smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/sql/mysql_access.cf root@COLO9322:/etc/postfix# cat master.cf | egrep -v '^#' | egrep -v '^$' smtp inet n - - - - smtpd pickup fifo n - - 60 1 pickup cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp -o smtp_bind_address=94.100.28.103 relay unix - - - - - smtp -o smtp_bind_address=94.100.28.103 -o smtp_fallback_relay= showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} root@COLO9322:/etc/postfix# netstat -r Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 94.100.28.96 * 255.255.255.240 U 0 0 0 eth0 87.255.34.224 * 255.255.255.240 U 0 0 0 eth1 default 94-100-28-97.st 0.0.0.0 UG 0 0 0 eth0 ip a output for eth0: 2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:25:90:03:b7:d2 brd ff:ff:ff:ff:ff:ff inet 94.100.28.100/28 brd 94.100.28.111 scope global eth0 inet 94.100.28.104/28 brd 94.100.28.111 scope global secondary eth0:3 inet 94.100.28.103/28 brd 94.100.28.111 scope global secondary eth0:2 inet6 fe80::225:90ff:fe03:b7d2/64 scope link valid_lft forever preferred_lft forever