Dan Mahoney <dmaho...@isc.org> writes:
We've seen a number of messages reported to us as having an isc.org "from"
address, and as having our dkim signatures, but the signatures failing to
verify, perhaps because a forwarder may have added a subject tag or
rewritten some other header. Of course, SPF also fails because those
servers aren't in our SPF record.
On 20.04.22 10:55, Bjørn Mork wrote:
I don't forward to gmail, but I've noticed that my DKIM signature on
messages to this list fail verification. I believe this problem is
specific to this list, as it doesn't happen with most other lists.
I assume the reason is the body modfications by the list server.
apparently.
from what I know, mailman only modifies From: if the headers/body are
changed AND dmarc policy of the originator domain is set to reject.
yours is "none.
I encountered this problem with different mailing list and also got customer
ticket with the same problem.
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