Steffen Nurpmeso wrote in
<20250821124141.BEJr5YJE(a)steffen%sdaoden.eu>:
|Warren Toomey via COFF wrote in
| <aKanpE22V+eay62r(a)minnie.tuhs.org>:
||Hi all, I've had a question/issue raised with DKIM on the TUHS/COFF \
||mailing
||lists from a subscriber. I'm running Mailman3 and I'm a DKIM newbie. They
||say:
...
||I'd be very happy to have someone/some people review my mailman3, postfix
||and rspamd configuration and suggest changes.
...
|But. Mailman3 config is at [1]
|
| - Remove (or rename) old DKIM headers [1]: not so important, but
| good. Because.
| remove_dkim_headers: yes
So that seems to be done.
...
| - Perform the mitigations [2]. Ensure to *always* mitigate and
| change the From: line to those "via" style things.
That not. Please let me try post one message one more time, as
i normally filter DKIM etc very heavily, because of all the noise.
| dmarc_mitigate_unconditionally
| dmarc_mitigate_action: munge_from
|
| [1]
https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/con\
| fig/docs/config.html
| [2]
https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/han\
| dlers/docs/dmarc-mitigations.html
|
|In general it can only be "mitigate, mitigate, mitigate" (think
|Ballmers "Developers! Developers! Developers! -- just like that!),
|and unconditionally so, because why have all the DNS lookups and
|all the noise for nothing, just give anyone the same appearance.
...
Sorry for that noise.
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)