PREIN

/bin/sh

getent group dspam >/dev/null || groupadd -r dspam
getent passwd dspam >/dev/null || useradd -r -g dspam -G dspam,mail -d /var/lib/dspam -s /sbin/nologin -c 'User to own dspam directories and default processes' dspam
exit 0