Re: [dmarc-ietf] non-mailing list use case for differing header domains

Jesse Thompson <jesse.thompson@wisc.edu> Fri, 31 July 2020 18:11 UTC

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From: Jesse Thompson <jesse.thompson@wisc.edu>
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Date: Fri, 31 Jul 2020 13:10:58 -0500
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Subject: Re: [dmarc-ietf] non-mailing list use case for differing header domains
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On 7/30/20 5:52 PM, Jim Fenton wrote:
> There's an underlying assumption here that I don't agree with: that
> DMARC adoption equates to the publication of a p=reject DMARC policy,
> and that everyone (or at least all Fortune 500 companies) should be
> doing that. p=reject should only be used when the usage patterns of the
> domain support that policy. I'm more inclined to say that 85% of Fortune
> 500 companies are savvy enough not to publish a policy that doesn't fit
> their usage patterns.

I think you're right, and isn't the market indicating that there is demand for DMARC designed for other usage patterns?  e.g. Would the CEO of any of those fortune 500 companies like the idea of their personal address being spoofed?

Jesse