Am 19.06.21 um 16:21 schrieb Kevin N.:
> Going through my mail logs I noticed that a couple of messages from the
> Dovecot mailing list failed DKIM validation.
>
> For example, this one has failed:
> https://markmail.org/message/te7tycmpiutw4kia
dovecot.org use mailman-2.1.15 which is "a little bit (~9 years)" behind latest
2.1.34
Older version of mailman are know to modify some messages which break DKIM.
That may be the reason for your observation.
BTW:
the ARC-Seal added by dovecot.org is invalid here, too
Andreas
