anchor.diff:    -o max_use=20
   127.0.0.1:10025 inet    n       -       -       -       -       smtpd
     -o content_filter=
  -  -o local_recipient_maps=
  -  -o relay_recipient_maps=
     -o smtpd_restriction_classes=
     -o smtpd_delay_reject=no
     -o smtpd_client_restrictions=permit_mynetworks,reject
  
positive.code: # Also specify in main.cf: maildrop_destination_recipient_limit=1
  #
  maildrop  unix  -       n       n       -       -       pipe
    flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
  #
  # The Cyrus deliver program has changed incompatibly, multiple times.
  #
  old-cyrus unix  -       n       n       -       -       pipe
    flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
  # Cyrus 2.1.5 (Amos Gouaux)
  # Also specify in main.cf: cyrus_destination_recipient_limit=1
  cyrus     unix  -       n       n       -       -       pipe
    user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
  #
  # See the Postfix UUCP_README file for configuration details.
  #
  
negative.code: 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}
  
  amavis    unix  -       -       -       -       2       smtp
    -o smtp_data_done_timeout=1200
    -o smtp_send_xforward_command=yes
  