I can tell you , you will run into problems with the Minimal version.
Since the CLI mail test didn't work, something was missing.
Not sure if it was cronie or not.
if you run
rpm -qa | grep cron
It should show:cronie-anacron-1.5.2-8.el8.alma.1.x86_64
cronie-1.5.2-8.el8.alma.1.x86_64
crontabs-1.11-17.20190603git.el8.noarch
The other option during testing, is install postfix, and s-nail.
If it still fails the CLI test, then some backend package required isn't being installed.
As mentioned we have the base AL8 install with CWP 8 installed on mirror servers, and those even tested OK wit the CLI test I gave you.
https://almalinux.stl.us.ssimn.org/This is a weird problem you are having.