PREIN

/bin/sh

/usr/sbin/useradd -c "Greylisting deamon" \
        -s /sbin/nologin -r -d /var/lib/greylistd greylistd 2> /dev/null || :

PREUN

/bin/sh

if [ $1 = 0 ]; then
        /sbin/service greylistd stop > /dev/null 2>&1
        /sbin/chkconfig --del greylistd
fi

POSTIN

/bin/sh

/sbin/chkconfig --add greylistd