Re: [dmarc-ietf] WGLC ARC-16 concern on Section 5.1.2 - cv=fail should sign greedily

2018-08-20 Thread Kurt Andersen (b)
On Mon, Aug 20, 2018 at 7:18 PM, John Levine wrote: > In article gmail.com> you write: > >My contention to Seth is that in a multi-hop scenario, the *only* report > >with meaningful data will be the one from the handler who made the "fail" > >determination and any subsequent reports are untrustw

Re: [dmarc-ietf] WGLC ARC-16 concern on Section 5.1.2 - cv=fail should sign greedily

2018-08-20 Thread John Levine
In article you write: >My contention to Seth is that in a multi-hop scenario, the *only* report >with meaningful data will be the one from the handler who made the "fail" >determination and any subsequent reports are untrustworthy. Assuming that "subsequent" means earlier in the chain, I agree.

[dmarc-ietf] Reminder: next ARC interop testing on October 12

2018-08-20 Thread Kurt Andersen
We are planning the next in-person ARC interop day on Friday, 2018-10-12 (the Friday following the Brooklyn M3AAWG meeting). For people attending in person, the meeting will be hosted at the Empire State Building. More details are still being finalized, but if you are coming to the M3AAWG meeting,

Re: [dmarc-ietf] WGLC ARC-16 concern on Section 5.1.2 - cv=fail should sign greedily

2018-08-20 Thread Kurt Andersen (b)
Seth and I discussed this topic today and I think that the central problem that is being debated has to do with *generating* the DMARC report content. Almost everyone agrees that a broken chain is broken and unredeemable - whether that breakage is structural or whether it is because of non-validati

Re: [dmarc-ietf] WGLC ARC-16 concern on Section 5.1.2 - cv=fail should sign greedily

2018-08-20 Thread Hector Santos
Hi, I agree with your comments. My input. Keep in mind, that ignorant (non-supportive) ARC nodes will continue to process all DKIM-signature(s) found, such as what I see with your message: Authentication-Results: dkim.winserver.com; dkim=pass header.d=ietf.org header.s=ietf1 header.i=ietf.

Re: [dmarc-ietf] WGLC ARC-16 concern on Section 5.1.2 - cv=fail should sign greedily

2018-08-20 Thread Murray S. Kucherawy
(back from vacation and catching up) On Tue, Aug 14, 2018 at 8:58 PM, Seth Blank wrote: > There are THREE consumers of ARC data (forgive me for the names, they're > less specific than I'd like): > > 1) The ARC Validator. When the Validator sees a cv=fail, processing stops, > the chain is dead, a