That's a question I've always had on this topic.
Is 5322.FROM an acceptable long-term workaround for DMARC enforced
domains? The community in general seems to be split on 5322.FROM munging
and it's use in practice.
On 11/30/2022 12:41 AM, Barry Leiba wrote:
Unless I’m misunderstanding you’re
o their users specifically,
but for these companies, they've decided the benefits outweigh the risks
in terms of any legitimate mail blocked.
- Mark Alley
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On 3/21/2025 10:12 AM, Todd Herr wrote:
On Fri, Mar 21, 2025 at 11:05 AM Mark Alley
wrote:
If Joe Schmoe, an email administrator, signs corporate mail with
DKIM2 but have other mail streams that may not support it, or
legacy systems incapable of using it, would not DMARC still be
entities trying to spoof the domain?
I've perused the draft, and unless I'm missing text somewhere, I don't
see where DKIM2 would fulfill the policy request for unauthenticated
emails, unless you're saying that DKIM2 usage (or lack thereof) would be
akin to ADSP-esque behavior i
company's email domain reputation intentionally as a form of email DoS.
- Mark Alley
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