On 11/21/2025 4:11 AM, Nicolas George via ffmpeg-user wrote:
It is not a spam protection, as evidenced by the fact that the From
address is now in the Cc field.
It is a spam protection protection: it lets our mails arrive despite the
fake anti-spam measures deployed by monopolistic mail operators.
Yep, for the curious go read some of the archives of the mailman-users
lists. There have been may workarounds in trying to deliver from a list
to the huge email handlers. And many people, myself included, who were
hosting/managing mailing lists are dropping them for these very reasons.
On 11/20/2025 12:46 PM, Reindl Harald via ffmpeg-user wrote:
just don't use DMARC when you want to send to public lists fro your
domain
Unless you're hosting your own domain and don't mind twittling your DNS
each time, that's a ridiculous suggestion. No, it's ridiculous all the
time and would probably get more mail dropped that delivered.
For anyone curious, and this -is- off-topic for ffmpeg, there's a good
write-up of DMARC at
https://www.mailgun.com/blog/deliverability/implement-dmarc/, for how
Mailmna3 handles it see
https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/handlers/docs/dmarc-mitigations.html.
Later,
z!
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