On 02/07/2024 22:37, Wolfgang via Exim-users wrote:
> I have already used openssl s_client to extract the
> whole certification chain, and I can confirm, that the DANE RR is valid.
That's not your problem.
"TLS session: (gnutls_handshake): Key usage violation in certificate has been detected."
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
A certificate has a set of usages that it permits. At least one of the certs
involved does not carry sufficient usage permissions.
--
Cheers,
Jeremy
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