On Sun, Jul 23, 2023 at 1:06 PM Matthäus Wander <mail=
[email protected]> wrote:
> b) Messages are generated by an automated system without a Date header
> and signed by a central MTA. An outgoing mail gateway then adds the
> missing Date header (Postfix option 'always_add_missing_headers'), thus
> invalidating the DKIM signature.
>
Why is the signer claiming to sign a header field ("Date", in this case)
that isn't there? This seems like a bug.
-MSK
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