# autoreply and once and once_file_size exim -odi -f foo1 userx **** exim -odi -f foo1 userx **** exim -odi -f foo2 userx **** exim -odi -f foo2 userx **** exim -odi -f foo3 userx **** exim -odi -f foo3 userx **** sleep 5 exim -odi -f foo1 userx ****