Re: [dmarc-ietf] ESC for Failed DMARC Validation

"Murray S. Kucherawy" <superuser@gmail.com> Fri, 02 August 2019 20:01 UTC

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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Fri, 2 Aug 2019 13:01:41 -0700
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To: =?UTF-8?B?0JTQuNC70Y/QvSDQn9Cw0LvQsNGD0LfQvtCy?= <dilyan.palauzov@aegee.org>
Cc: Alessandro Vesely <vesely@tana.it>, IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] ESC for Failed DMARC Validation
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On Fri, Aug 2, 2019 at 10:52 AM Дилян Палаузов <dilyan.palauzov@aegee.org>
wrote:

> I mean an enhanced status code, as at
>
> https://www.iana.org/assignments/smtp-enhanced-status-codes/smtp-enhanced-status-codes.xhtml
> .
>

RFC7372 registered some for exactly this purpose (though not specific to
DMARC).  Its Security Considerations section talks about the privacy risks.

I don't know if they're actually in use.

-MSK