https://bugs.exim.org/show_bug.cgi?id=2180
Richard James Salts <exim@???> changed:
What |Removed |Added
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CC| |exim@???
--- Comment #2 from Richard James Salts <exim@???> ---
It strikes me you either want to oversign, or sign the header if it exists. So
if you change the current default to
+Content-Type : +Content-Transfer-Encoding : +MIME-Version : +References : \
+In-Reply-To : +Message-ID : +Date : +Subject : +To : +From : Sender : \
+Reply-To : +Cc : +Content-ID : +Content-Description : Resent-Date : \
Resent-From : Resent-Sender : Resent-To : Resent-Cc : Resent-Message-ID : \
List-Id : List-Help : List-Unsubscribe : List-Subscribe : List-Post : \
List-Owner : List-Archive
then we'd be signing Content-Type if it existed and adding an extra
Content-Type head in the h= field of the DKIM signature, and so on. Those
without the + would just be left with the signature for any headers that exist
(i.e. 0 for List-Id, etc unless it was a message generated by a mailing list).
Is there a use case for never sign? Don't you just omit the header from
dkim_sign_headers?
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