To start SOGo automatically at system startup, add the following to
your /etc/rc.d/rc.local:

  if [ -x /etc/rc.d/rc.sogo ]; then
    /etc/rc.d/rc.sogo start
  fi

To stop sogo automatically at system shutdown, add the following to
your /etc/rc.d/rc.local_shutdown:

  if [ -x /etc/rc.d/rc.sogo ]; then
    /etc/rc.d/rc.sogo stop
  fi