On 9/9/25 08:42, M.Ede via Mailman-users wrote:
Hello everyone,

I use mailman together with mailcow and have configured my mailing list as 
follows:
- Anonymous list: Yes
- DMARC mitigation action: Replace From: with list address
- DMARC Mitigate unconditionally: Yes

My problem is that my emails are not being accepted by mailcow (rspamd) with 
the error
SPOOFED_UNAUTH (50.00)
...
What am I still doing wrong? Can you help me, which setting is still missing?
What informations are you still missing?


I doubt that this has anything to do with the ARC-*, Authentication-Results or DKIM-Signature headers you quote.

There are some threads on SPOOFED_UNAUTH in the mailcow community forum, e.g. https://community.mailcow.email/d/403-spoofed-unauth-rspamd and https://community.mailcow.email/d/637-problems-with-emails-keep-getting-rejected

Also see https://www.reddit.com/r/mailcow/comments/12lhw8e/whitelist_ip/

These came up in a google search for SPOOFED_UNAUTH.

--
Mark Sapiro <m...@msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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