It could be a transparent reverse Proxy, or firewall that are
responsible for the encryption in case Exim 4.91 does not support TLS
1.3.
Den mån 28 jan. 2019 kl 17:16 skrev Jeremy Harris via Exim-users
<exim-users@???>:
>
> On 28/01/2019 15:43, Viktor Dukhovni via Exim-users wrote:
> > DANE domains with TLS 1.3 that exchange enough email
> > volume with Gmail to appear in Google's email transparency report include:
> >
> > univie.ac.at
>
> Univie, at least, are claiming Exim 4.91 in their banner. I don't
> know if they run patches, but I do know that at least one person
> there is an active supporter of Exim development.
>
> vevida.com and freebsd.org look like Postfix.
> xs4ll.nl is Sendmail.
>
> I couldn't identify the others - but it seems there's quite reasonable
> coverage for TLS1.3 in available MTAs.
> --
> Cheers,
> Jeremy
>
> --
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