Murray,

We’ve started (relatively recently, in volume) logging ARC data so we can try 
to make some informed decisions going forward.  We’re not yet acting on 
anything as a result, nor writing into the message. We’re also not doing 
anything when mail is being forwarded.  We’ll hopefully have more 
information/data available to share in the future (may not be the very near 
future given other projects going on).   This isn’t a guarantee that we’ll 
fully adopt ARC in the future, but enough to say we’re logging/analyzing things.

Random thing while looking at some data just now .. At least one message 
apparently came through with seven ARC sets.

Let me know if there’s anything I can answer at this point.

--
Alex Brotman
Sr. Engineer, Anti-Abuse & Messaging Policy
Comcast

From: dmarc <dmarc-boun...@ietf.org> On Behalf Of Murray S. Kucherawy
Sent: Wednesday, September 22, 2021 4:30 PM
To: IETF DMARC WG <dmarc@ietf.org>
Subject: [dmarc-ietf] Experiments

Is anyone in a position to comment on the ARC and PSD experiments and how 
they're progressing?  Deployment status?  Data acquired thus far?

-MSK

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