Hello @MarianH,
Yes, it is:
/var/log/messages
/var/log/firewall.log
You may set it up in GUI and check if a mail was sent in the logfile /var/log/maillog:

Hello @MarianH,
Yes, it is:
/var/log/messages
/var/log/firewall.log
You may set it up in GUI and check if a mail was sent in the logfile /var/log/maillog:
