On Nov 17, 9:34am, Steve Atkins wrote:
} Subject: [Asrg] Positive assertions vs negative assertions Re: The state o
}
} And it would be possible to layer some other forms of shared
} reputation (third-party whitelists, for example) on top of DKIM, as
} long as that's done carefully and with a clear understanding not just
} of what a DKIM signature means but also what lack of such signature
} means. I'm not aware of anyone having done this yet, despite it being
} an obvious thing for phishing targets to consider.
Several months ago I encountered a encountered a company offering a
Goodmail-style service except that it was implemented by piggybacking
an extra identifier into the DMIM header. I'm trying to dig up the
reference, I'll follow up if I find it. (Does this sound familiar to
anyone else?)
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