SlackBuilds.org/network/postfix/rc.postfix

#!/bin/bash
# Copyright 2006, Alan Hicks, Lizella, GA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

postfix_start()
{
  /usr/sbin/postfix start
}

postfix_stop()
{
  /usr/sbin/postfix stop
}

postfix_restart()
{
  postfix_stop
  postfix_start
}

postfix_reload()
{
  /usr/sbin/postfix reload
}

postfix_status()
{
  /usr/sbin/postfix status
}

case $1 in
'start')
  postfix_start
  ;;
'stop')
  postfix_stop
  ;;
'restart')
  postfix_restart
  ;;
'reload')
  postfix_reload
  ;;
'status')
  postfix_status
  ;;
*)
  echo "usage $0 start|stop|restart|reload|status"
esac