Robert L Mathews via Postfix-users wrote in
 <c0912b2c-218d-4401-a7a9-224115b9e...@tigertech.com>:
 |On Jul 31, 2024, at 1:19 AM, Matus UHLAR - fantomas via Postfix-users \
 |<postfix-users@postfix.org> wrote:
 |> FYI Mailman 2 claims to rewrite From: header to fullfill DMARC requireme\
 |> nts only when DMARC policy is "quarantine" or "reject"
 |
 |That's the "dmarc_moderation_action" option in the "Sender filters" \
 |section of the Mailman interface [1].
 |
 |But there's also another option in the General Options section called \
 |"from_is_list" [2] that does it for all messages. If set to "Munge \
 |From", it "replaces the From: header address with the list's posting \
 |address to mitigate issues stemming from the original From: domain's \
 |DMARC or similar policies and puts the original From: address in a \
 |Reply-To: header".

Yes, me too, mailman 2 here now has

  REMOVE_DKIM_HEADERS = 3

^ (i feel bad on that, but for now it is like that)

  DEFAULT_FROM_IS_LIST = 1
  #DEFAULT_DMARC_MODERATION_ACTION = 1
  #DEFAULT_DMARC_NONE_MODERATION_ACTION = Yes
  ..
  MIME_DIGEST_KEEP_HEADERS += [ 'Mail-Followup-To' ]
  ALLOW_SENDER_OVERRIDES = No

(But do not ask me no questions.)

--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)
|
| Only during dog days:
| On the 81st anniversary of the Goebbel's Sportpalast speech
| von der Leyen gave an overlong hypocritical inauguration one.
| The brew's essence of our civilizing advancement seems o be:
|   Total war - shortest war -> Permanent war - everlasting war
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