Re: is it just me or...

[John Levine via NANOG <nanog () lists nanog org>]

It appears that Bryan Fields via NANOG <nanog () lists nanog org> said:
> On 5/23/25 16:56, Michael Thomas via NANOG wrote:
> > Not DKIM, DMARC to be more precise. I'm certain that close all of the
> > domains people are sending from if they have a DMARC record, it's p=none
> > which shouldn't trigger the 822.From rewrite, but that's what seems to
> > be happening.
>
> lists.nanog.org is configured to rewrite the from regardless of DMARC setting.

Yup.  Not a great choice.

> Even if you have p=none, it still shows as a broken signature on the email and 
> will be rejected by google/MS/etc.  They are large enough to violate the 
> standards and we all have to submit, unless you pay for delivery to their 
> customers.

Sorry, but this is nonsense.  Please, sir, step away from the kool-aid.  They
aren't perfect but that kind of conspiracy theory helps nobody.

I run mailing lists that have lots of subscribers at large providers,
They only rewrite sender addresses when DMARC policies require it, and
they get mail delivered just fine.

R's,
John
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