On Tue, Oct 21, 2025 at 08:17:41 -0400, Wietse Venema via Postfix-users wrote:
> Geert Hendrickx via Postfix-users:
> > You don't have to lookup *all* of them, you can stop as soon as one valid MX
> > record is found, so the vast majority of cases would only need a single
> > extra
> > lookup.
>
> And when there is no valid MX record, you'd have to look up all of them?
>
Yes, just like you have to for e-mail delivery.
Geert
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