#
hgwc-smtp     unix -       -       n       -       -       smtp
    -o smtp_bind_address=xxx.xxx.141.100
    -o smtp_helo_name=mail.hgwc.faith
    -o syslog_name=postfix-hgwc.faith
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
hgwc-relay     unix  -       -       -       -       -       smtp
        -o smtp_bind_address=xxx.xxx.141.100
        -o smtp_fallback_relay=
#
teksploits-smtp     unix -       -       n       -       -       smtp
    -o smtp_bind_address=xxx.xxx.142.100
    -o smtp_helo_name=mail.teksploits.com
    -o syslog_name=postfix-teksploits.com
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
teksploits-relay     unix  -       -       -       -       -       smtp
        -o smtp_bind_address=xxx.xxx.142.100
        -o smtp_fallback_relay=