s!QMAIL/!/var/qmail/! s!^\(exec\)!case "\$1" in\ start)\ \ \1! s!\(qmail\)$!\1\&\ \ exit 0\ \ ;;\ stop)\ \ exec killall qmail-send\ \ ;;\ *)\ \ echo "Usage: `basename \$0` {start|stop}" >\&2\ \ exit 64\ \ ;;\ esac!