Re: [dmarc-ietf] Two new fields in aggregate reports

Chris Wedgwood <cw@f00f.org> Fri, 25 October 2019 16:56 UTC

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Date: Fri, 25 Oct 2019 09:56:26 -0700
From: Chris Wedgwood <cw@f00f.org>
To: Alessandro Vesely <vesely@tana.it>
Cc: Brandon Long <blong@google.com>, "dmarc@ietf.org" <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] Two new fields in aggregate reports
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> Correct.  However, it is an average, so a spammer would have a hard
> time trying to work out the detail of how the receiver's score is
> computed.

[randomly] permute the input, seen 1000s of messages and look at how
the score varies ... repeat ...