On Wed, Feb 19, 2025 at 7:41 PM Viktor Dukhovni via Postfix-users <
postfix-users@postfix.org> wrote:

> On Wed, Feb 19, 2025 at 06:22:42PM -0500, Christophe Kalt via
> Postfix-users wrote:
>
> > Yes. What's even more puzzling is both builds are fairly recent. I just
> > happened to rebuild 3.9.1 a few days ago.
> > IOW, the build environment should be the same for both builds. I've also
> > just rebuilt both versions and am getting the same results.
>
> What do you have for "smtp_dns_support_level"?
>
>     $ postconf smtp_dns_support_level
>
> DNSSEC/DANE are working on my system and the messages in question are
> not logged.  The message should not be logged unless you've configured
> Postfix to request DNSSEC-validated lookups.
>

# postconf smtp_dns_support_level
smtp_dns_support_level =
# postconf -nf | egrep \^smtp
smtp_destination_concurrency_limit = 1
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtp_tls_connection_reuse = yes
smtp_tls_security_level = may
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