[Exim] POP Question (daemon user)

hi all, I have configurated the exim 4.20, and I want to setup the POP

authentification, and I find the next codige:
case "$1" in
start)
        if [ -x /local1/usr/local/sbin/popb4smtp-watch ] &&
           [ -x /local1/usr/local/sbin/popb4smtp-clean ]; then
                daemon -f /local1/usr/local/sbin/popb4smtp-watch &&
                    echo -n ' popb4smtp-watch'
                daemon -f /local1/usr/local/sbin/popb4smtp-clean &&
                    echo -n ' popb4smtp-clean'
        fi
        ;;
stop)
        kill `cat /local1/var/run/popb4smtp-watch.pid` &&
            echo -n ' popb4smtp-watch'
        kill `cat /local1/var/run/popb4smtp-clean.pid` &&
            echo -n ' popb4smtp-clean'
        ;;
*)

This work, but not at the 100 %, the reason it's that the daemon "user" (I
thing that), doen't exits in my sistem (Sun Solaris). I thing that it's for
linux, my question is : exist this codigo for Solaris??? or how can I do
this??? this it's urgent.
the other things it's that when I erase the "daemon" word, ... it's work but
not at 100%....
can somebody to help me???
Thank for all.
Regards.

Carlos M.

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