NANOG List posts and DMARC

Chris Adams cma at
Wed Aug 3 00:46:02 UTC 2022

Once upon a time, Bryan Fields <Bryan at> said:
> The list is configured to wrap anyone posting from a domain with a  with a
> DMARC Reject/Quarantine Policy (dmarc_moderation_action).  If you don't have
> this set on your domain, the list will not wrap your message (which is the
> correct behavior as it breaks other things).

That is not the case right now; it appears to be modifying ALL senders
since earlier today (about 12:20pm CDT) .  Your message has "From: Bryan
Fields via NANOG <nanog at>" even though you have no DMARC record
at all.

Chris Adams <cma at>

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