On Wed, Mar 29, 2023 at 02:17:52PM +0200, Matus UHLAR - fantomas via
Postfix-users wrote:
> On 28.03.23 12:15, Viktor Dukhovni via Postfix-users wrote:
> >You don't need and generally don't want to apply:
> >
> > reject_unknown_recipient_domain
> >
> >to inbound traffic on port 25. A brief glitch in DNS resolution of your
> >domain will cause you reject domains that you know to be yours.
>
> Are you sure about this? I thought this only applies when the domain is
> not local and docs indicate the same:
>
> reject_unknown_recipient_domain
> Reject the request when Postfix is not final destination for the
> recipient domain, [...]
Looking more closely, the above is true, local, virtual alias and
virtual mailbox domains are automatically exempt. Relay domains are
not, and could tempfail in error.
> It makes sense for 465/587, especially when sender is local/verified.
Yes, this can make sense for submission.
--
Viktor.
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