On Fri, Aug 2, 2019 at 10:52 AM Дилян Палаузов <[email protected]> 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
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