On Fri, Aug 09, 2024 at 03:52:05PM +0200, Slavko via Exim-users wrote:
> Ahoj,
>
> Dňa Fri, 9 Aug 2024 15:16:17 +0200 Jan Ingvoldstad via Exim-users
> <exim-users@lists.exim.org> napísal:
>
> > Please remember that in the absence of MX records, A record lookup(s)
> > will be performed for email delivery.
>
> more precise, A/AAAA records...
Or perhaps neither, since with the MX records absent, the implicit MX
hostname is the sender domain, and if all the OP wants is a name, then
the addresses are likely irrelevant, unless there is also a desire to
rule out *non-existence* of the envelope sender domain.
--
Viktor.
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