Sean McBride via Postfix-users:
> On 23 Jan 2025, at 9:56, Bill Cole via Postfix-users wrote:
>
> > Your solution is to run a local, caching, fully-recursive name
> > resolver. The simplest way to do that is with the Unbound resolver.
> > This is a best practice for all mail servers because MTAs do a lot of
> > DNS and should not be using a resolver that filters responses for
> > policy reasons.
>
> Do you know if it's possible on Debian to use the built-in
> system-resolved to do this? Or *must* additional software, like
> unbound, be installed?
Please use a real resolver. RedHat tooling may be fine for desktoops
but not for infrastructure. That's the polite version.
Wietse
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