Adam Weremczuk wrote: > I'm using Postfix and this all that was needed: > > /etc/hosts > 1.2.3.4 example.com > > /etc/postfix/main.cf > disable_dns_lookups = yes > smtp_host_lookup = native
It's probably worth noting that `disable_dns_lookups` has
been deprecated for a long time. The postconf(5) man page
says:
As of Postfix 2.11, this parameter is deprecated; use
smtp_dns_support_level instead.
(Debian 12 has postfix-3.7.11; well past postfix-2.11.)
I don't know if `smtp_dns_support_level` is needed at all
with `smtp_host_lookup = native`. I've never run an MTA
where I wanted DNS lookups disabled, so I don't have any
direct experience.
If it is needed, you'd surely be better off avoiding the
long-deprecated `disable_dns_lookups` parameter which will
just set you up for failure with some future update.
--
Todd
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