NANOG List posts and DMARC

Bryan Fields Bryan at
Wed Aug 3 00:52:27 UTC 2022

On 8/2/22 8:46 PM, Chris Adams via NANOG wrote:
> 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.

Yes, I'm trying to get to the bottom of what if anything happened with the
admin team.

This is really broken at this point as munging from breaks DKIM signing if
present in the original email.
Bryan Fields

727-409-1194 - Voice

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <>

More information about the NANOG mailing list