Description of problem:
sendmail has static useradd scripts

Version-Release number of selected component (if applicable):
sendmail-8.16.1-10.el9

How reproducible:
100%

Steps to Reproduce:
1.review %pre
2.
3.

Actual results:
%pre
getent group mailnull >/dev/null || \
%{_sbindir}/groupadd -g 47 -r mailnull >/dev/null 2>&1
getent passwd mailnull >/dev/null || \
%{_sbindir}/useradd -u 47 -g mailnull -d %

{spooldir}/mqueue -r \
-s %{smshell} mailnull >/dev/null 2>&1
getent group smmsp >/dev/null || \
%{_sbindir}/groupadd -g 51 -r smmsp >/dev/null 2>&1
getent passwd smmsp >/dev/null || \
%{_sbindir}/useradd -u 51 -g smmsp -d %{spooldir}

/mqueue -r \
-s %

{smshell}

smmsp >/dev/null 2>&1

Expected results:
use of system-sysusers

Additional info:
https://www.freedesktop.org/software/systemd/man/systemd-sysusers.html
https://fedoraproject.org/wiki/Changes/Adopting_sysusers.d_format