Fourhundred Thecat via Postfix-users:
> On 2025-10-22 17:40, Viktor Dukhovni via Postfix-users wrote:
> >
> > In other words, the ONLY entry in /etc/resolv.conf on an MTA
> > should be 127.0.0.1. And that resolver might use multiple
> > forwarders, but would then track which of its forwarders are
> > responsive and avoid the non-responsive ones (except for
> > occasional concurent probes to check whether they're back).
> >
> > DO NOT make the mistake of listing remote nameservers in
> > /etc/resolv.conf.
>
> you mean I should only ever have 127.0.0.1 in /etc/resolv.conf and use
> some local recursive caching resolver such as unbound ?
>
> is this standard/recommended setup for Postfix ?
Running a local resolver is preferred: it should make direct queries
to the Internet, and it should be server-grade (unbound is OK).
Wietse
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