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Re: [marf] Adrian Farrel's No Objection on draft-ietf-marf-as-15: (with COMMENT)

"Murray S. Kucherawy" <msk@cloudmark.com> Wed, 25 April 2012 20:17 UTC

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From: "Murray S. Kucherawy" <msk@cloudmark.com>
To: Adrian Farrel <adrian@olddog.co.uk>, The IESG <iesg@ietf.org>
Thread-Topic: Adrian Farrel's No Objection on draft-ietf-marf-as-15: (with COMMENT)
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Date: Wed, 25 Apr 2012 20:16:52 +0000
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Subject: Re: [marf] Adrian Farrel's No Objection on draft-ietf-marf-as-15: (with COMMENT)
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Hi Adrian,

> -----Original Message-----
> From: Adrian Farrel [mailto:adrian@olddog.co.uk]
> Sent: Wednesday, April 25, 2012 10:07 AM
> To: The IESG
> Cc: marf-chairs@tools.ietf.org; draft-ietf-marf-as@tools.ietf.org
> Subject: Adrian Farrel's No Objection on draft-ietf-marf-as-15: (with
> COMMENT)
> 
> Adrian Farrel has entered the following ballot position for
> draft-ietf-marf-as-15: No Objection
> 
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
> 
> Please refer to http://www.ietf.org/iesg/statement/discuss-
> criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
> 
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> Forgive me, but doesn't section 8.2 say that forged abuse reports
> constitue a real problem and the two mechanisms available to protect
> against them may result in genuine abuse reports being discarded?

Yes to the first point.  The second point is true of all email, not just abuse reports; if the signer's infrastructure is causing signatures to break, there's no reason to trust the reports even though they bear some kind of signature.  The same goes for, say, a message from your bank that's signed but the signature fails to validate.

> Is the message here "chosse which you think might be the least worse
> problem" or is it "you should use DKIM and SPF, but be aware that you
> may lose some genuine reports"?

It's "You should use DKIM and/or SPF, but make sure they're working properly if you want to reap the benefits."

> I would have liked some clarification as to which message is being
> sent.

That section is only talking about reports.  Which part is unclear?

-MSK

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