Confirmed: installing rsyslog + restart Postfix allows fail2ban to start.
Concerning spamassassin, would it be possible that the service “spamassassin” is now called “spamd”? If yes, Webmin’s module should be adapted.
Finally, concerning the error (also in spamassassin’s module):
**Warning!** SpamAssassin does not appear to be set up in the system's Procmail configuration file /etc/procmailrc, so any configuration done using this module will have no effect unless users have it set up individually.
I found that the content of /etc/procmailrc is probably bugged. As described here Spamassassin on fresh install rocky linux - #9 by Jamie I replaced the content of the file, witch was this one:
LOGFILE=/var/log/procmail.log
TRAP=/etc/webmin/virtual-server/procmail-logger.pl
ORGMAIL=$HOME/Maildir/
DEFAULT=$HOME/Maildir/
DROPPRIVS=yes
:0
$DEFAULT
By this:
LOGFILE=/var/log/procmail.log
TRAP=/etc/webmin/virtual-server/procmail-logger.pl
:0wi
VIRTUALMIN=|/etc/webmin/virtual-server/lookup-domain.pl $LOGNAME
EXITCODE=$?
:0
* ?/bin/test "$EXITCODE" = "73"
/dev/null
EXITCODE=0
:0
* ?/bin/test "$VIRTUALMIN" != ""
{
INCLUDERC=/etc/webmin/virtual-server/procmail/$VIRTUALMIN
}
ORGMAIL=$HOME/Maildir/
DEFAULT=$HOME/Maildir/
DROPPRIVS=yes
:0
$DEFAULT
And it seems to do the trick.