On Sun, Jun 08, 2025 at 05:13:07PM -0700, Doug Hardie via Postfix-users wrote:
> I believe that pf is not properly blocking IPs that are supposedly
> blocked by blacklistd. In trying to test this, I am using postfix.
> However, I don't seem to be able to get postfix to call blacklistd.
> The approach I am using is to remove one of my machines from
> mynetworks using a !IPaddress. That seems to work properly. I send
> using telnet to port 25 and give it non-local addresses. Postfix
> responds with an appropriate snarky message. However, traces of
> blacklistd shows no calls for that address. What are the conditions
> when blacklistd is called? Is it only for authenciation failures, as
> indicated in one web page. How can I test pf with postfix.
There is no "upstream" code to support "blacklistd" in Postfix. If
a particular OS patches Postfix with such support, this question
should be directed to the folks maintaining the patch.
--
Viktor.
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