Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart last call review of draft-ietf-dmarc-psd-08
"Murray S. Kucherawy" <superuser@gmail.com> Tue, 19 January 2021 14:23 UTC
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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Tue, 19 Jan 2021 06:23:42 -0800
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To: Douglas Foster <dougfoster.emailstandards@gmail.com>
Cc: IETF DMARC WG <dmarc@ietf.org>, "Dale R. Worley" <worley@ariadne.com>
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Subject: Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart last call review of draft-ietf-dmarc-psd-08
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On Tue, Jan 19, 2021 at 4:34 AM Douglas Foster < dougfoster.emailstandards@gmail.com> wrote: > I raised objections to the definition of "non-existent", which never > received an adequate response before the discussion went silent. > > DMARC checks the From header address, which may exist only as an > identifier used for mass mailings. These mailings are often sent by an > ESP using an unrelated SMTP address. As such, the From address need not > be associated with any A, AAAA, or MX record. I assert that the only > viable definition of non-existent is "not registered", as evidenced by > absence of an NS record. > This is a discussion of DMARC, not of PSD, right? DMARC defines this test in an Appendix, and then makes it non-mandatory. PSD says to apply that test for domains that request it. Hooking this test up to registration requires introducing RDAP or something similar. Is that what we're talking about here? I don't believe the proposed definition of "non-existent" is reliably true > even in the special case of interest for this document, impersonation fraud > occurring at the top of an organizational structure. Example.PSD may > legitimately use mail.Example.PSD for email and www.example.psd for web. > If the proposed condition MUST always be true, I have not seen that fact > demonstrated. Since the document raises a general concern about > fraudulent use of non-existent domains, the definition used should be one > that can be generalized., > This sounds like something that should be solved in DMARC, not PSD, but naturally consensus wins here, so have at it. -MSK
- [dmarc-ietf] Genart last call review of draft-iet… Dale Worley via Datatracker
- Re: [dmarc-ietf] Genart last call review of draft… Todd Herr
- Re: [dmarc-ietf] Genart last call review of draft… Murray S. Kucherawy
- Re: [dmarc-ietf] Genart last call review of draft… Kurt Andersen (b)
- Re: [dmarc-ietf] Genart last call review of draft… John Levine
- Re: [dmarc-ietf] Genart last call review of draft… Todd Herr
- Re: [dmarc-ietf] Genart last call review of draft… Scott Kitterman
- Re: [dmarc-ietf] Genart last call review of draft… Kurt Andersen (b)
- Re: [dmarc-ietf] Genart last call review of draft… Tim Wicinski
- Re: [dmarc-ietf] Genart last call review of draft… John Levine
- Re: [dmarc-ietf] Genart last call review of draft… John Levine
- Re: [dmarc-ietf] Genart last call review of draft… Tim Wicinski
- Re: [dmarc-ietf] Genart last call review of draft… Kurt Andersen (b)
- Re: [dmarc-ietf] Genart last call review of draft… John R Levine
- Re: [dmarc-ietf] Genart last call review of draft… Alessandro Vesely
- Re: [dmarc-ietf] Genart last call review of draft… worley
- Re: [dmarc-ietf] Genart last call review of draft… Scott Kitterman
- Re: [dmarc-ietf] Genart last call review of draft… Seth Blank
- Re: [dmarc-ietf] Genart last call review of draft… Murray S. Kucherawy
- Re: [dmarc-ietf] Genart last call review of draft… Murray S. Kucherawy
- Re: [dmarc-ietf] [Last-Call] Genart last call rev… Scott Kitterman
- Re: [dmarc-ietf] [Last-Call] Genart last call rev… John Levine
- Re: [dmarc-ietf] [Last-Call] Genart last call rev… Kurt Andersen (b)
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… worley
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Alessandro Vesely
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… worley
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Alessandro Vesely
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Douglas Foster
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Douglas Foster
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Douglas Foster
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Kurt Andersen (b)
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Kurt Andersen (b)
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Alessandro Vesely
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Tim Wicinski
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Kurt Andersen (b)
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Alessandro Vesely
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Alessandro Vesely
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… Murray S. Kucherawy
- Re: [dmarc-ietf] [Gen-art] [Last-Call] Genart las… worley