Kai Krakow: > >> smtpd_client_event_limit_exceptions = dnsxl:xbl.spamhaus.org > > > > Except that this does not block AUTH commands. Currently all that > > smtpd_client_event_limit_exceptions does is not announce AUTH support > > in the EHLO response. > > Hey thanks, I love the potential of this. But how could I block AUTH > altogether then? Because that way postfix could be made stop disclosing > information about wrong or false credentials to unwanted clients.
Currently, you can turn off the AUTH announcement only. > BTW: Why does smtpd_client_event_limit_exceptions stop announcing AUTH > commands? From the docs I would never understand that it acts this way: Sorry, that should have been smtpd_sasl_exceptions_networks. Wietse