SMTP traffic rejection not logged

Hi folks,

today i've seen some strange/unwanted logging behaviour.

Dopped packets for smtp traffic (tcp port 25) due to missing firewall policy does not get monitored in log viewer (regardless of the view).

Policy tester gives me a match for policy 0 (thats what i've expected) and no smtp profiles have been configured or assigned.

I've also tried to disable "SMTP relay" in ACLs for the source traffic zone and enabled all firewall logging options to local log in the setting.

Still nothing shows up in none of the log viewer logs, even if i switch to the "all logs" view.

Any suggestion? Does this behaviour occur on other services/ports/protocols?

Thanks

Bastian