anchor.diff:  mailman   unix  -       n       n       -       -       pipe
     flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
     ${nexthop} ${user}
  -<% if postfix_use_amavisd == 'yes' %>
  +<% if has_variable?("postfix_use_amavisd") and postfix_use_amavisd == 'yes' %>
   amavis unix - - - - 2 smtp
           -o smtp_data_done_timeout=1200
           -o smtp_send_xforward_command=yes
  
positive.code: # service type  private unpriv  chroot  wakeup  maxproc command + args
  #               (yes)   (yes)   (yes)   (never) (100)
  # ==========================================================================
  <% if postfix_smtp_listen == 'all' %>smtp      inet  n       -       -       -       -       smtpd
  <% else %><%= postfix_smtp_listen %>:smtp      inet  n       -       -       -       -       smtpd<% end %>
  #submission inet n       -       -       -       -       smtpd
  #  -o smtpd_enforce_tls=yes
  #  -o smtpd_sasl_auth_enable=yes
  
negative.code:         -o strict_rfc821_envelopes=yes
          -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
          -o smtpd_bind_address=127.0.0.1
  <% end -%>
  <% if has_variable?("postfix_use_dovecot_lda") and postfix_use_dovecot_lda == 'yes' %>
  dovecot   unix  -       n       n       -       -       pipe
    flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
  <% end -%>
  <% if has_variable?("postfix_use_schleuder") and postfix_use_schleuder == 'yes' %>
  schleuder  unix  -       n       n       -       -       pipe
    flags=DRhu user=schleuder argv=/usr/bin/schleuder ${user}
  <% end -%>
  <% if has_variable?("postfix_use_sympa") and postfix_use_sympa == 'yes' %>
  sympa        unix  -       n       n       -       -       pipe
    flags=R user=sympa argv=/usr/lib/sympa/bin/queue ${recipient}
  sympabounce  unix  -       n       n       -       -       pipe
    flags=R user=sympa argv=/usr/lib/sympa/bin/bouncequeue ${user}
  <% end -%>
  