# Filter email through Amavisd
smtp-amavis         unix        -       -       n       -       3       smtp
    -o smtp_data_done_timeout=1800
    -o disable_dns_lookups=yes
    -o smtp_send_xforward_command=yes
    -o max_use=20
    -o smtp_bind_address=127.0.0.1

# Listener to re-inject email from Amavisd into Postfix
127.0.0.1:10025     inet        n       -       n       -       100     smtpd
    -o cleanup_service_name=cleanup_internal
    -o content_filter=
    -o local_recipient_maps=
    -o relay_recipient_maps=
    -o smtpd_restriction_classes=
    -o smtpd_client_restrictions=
    -o smtpd_helo_restrictions=
    -o smtpd_sender_restrictions=
    -o smtpd_recipient_restrictions=permit_mynetworks,reject
    -o mynetworks=127.0.0.0/8
    -o smtpd_authorized_xforward_hosts=127.0.0.0/8

# Filter email through Wallace
smtp-wallace        unix        -       -       n       -       3       smtp
    -o smtp_data_done_timeout=1800
    -o disable_dns_lookups=yes
    -o smtp_send_xforward_command=yes
    -o max_use=20

# Listener to re-inject email from Wallace into Postfix
127.0.0.1:10027     inet        n       -       n       -       100     smtpd
    -o cleanup_service_name=cleanup_internal
    -o content_filter=
    -o local_recipient_maps=
    -o relay_recipient_maps=
    -o smtpd_restriction_classes=
    -o smtpd_client_restrictions=
    -o smtpd_helo_restrictions=
    -o smtpd_sender_restrictions=
    -o smtpd_recipient_restrictions=permit_mynetworks,reject
    -o mynetworks=127.0.0.0/8
    -o smtpd_authorized_xforward_hosts=127.0.0.0/8