A little off topic, but is there any normative text in DMARC about the authenticity of the reporting? It seems like there ought to be normative text that the report should have a valid DKIM signature from the domain reporting. I'm not sure how you'd go about doing that with HTTPS though since client certs are essentially nil, and the normal way to do authentication is by creating an account.

Mike

On 1/20/21 11:19 AM, John R Levine wrote:
On Wed, 20 Jan 2021, Alessandro Vesely wrote:
John's record looks more workable, but it's still fluffy:

"v=DMARC1; p=none; rf=afrf; rua=mailto:[email protected],https://dmreport.abuse.net/dmreport/; ruf=mailto:[email protected]";

Whaddaya mean fluffy?  Try a PUT or POST to that URI and it'll work.

I suppose the good news is that nobody implemented the underspecified
report URL in one of the earlier DMARC drafts.

It is not underspecified.  It specifies the /mailto:/ scheme. ...

Early drafts had an http PUT with some error that would have prevented it from working.  It was removed before 7489 was published.

Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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