On 4 Mar 2022, at 19:13, Bastian Blank <bastian+postfix-users=postfix....@waldi.eu.org> wrote: > > On Fri, Mar 04, 2022 at 06:58:33PM +0100, Gerben Wierda wrote: >> Feb 27 06:02:19 mail postfix/dnsblog[46930]: addr 113.197.35.193 listed by >> domain zen.spamhaus.org as 127.255.255.254 >> The 254 response means: the query comes form an open resolver so we’re not >> going to reply properly. The mail is a spam messages and could be in a >> DNSBL, but I get a ’no reply for you’. >> How do I fix the former one? > > Don't use a public resolver. A MTA using public DNSBL need to run their > own recursive resolver. This is a Spamhaus issue, they tell you to go > away.
I cannot explicitly tell postfix to use another resolver (I’d like to like I can do with rspamd), right? Because the main resolver here uses cloud9 because of its blocking and for all clients this is fine. G
