----- Original Message ----- > From: "Murray S. Kucherawy" <[email protected]> > To: "Vlatko Salaj" <[email protected]> > Cc: [email protected] > Sent: Sunday, June 8, 2014 5:30:33 PM > Subject: Re: [dmarc-ietf] advice to MTAs
> On Sun, Jun 8, 2014 at 12:25 AM, Vlatko Salaj < [email protected] > > wrote: > > imo, what all current DMARC deployments lack is notice to > > > end receiver mailbox about any DMARC validation done on a > > > particular message, and how it validated. > > > thus, similarly to Franck's Advice to MUAs, i would propose > > > adding this kind of txt to DMARC draft: > > > "DMARC participating MTAs SHOULD include Authentication Results > > > for all underlying protocols (SPF/DKIM), as well as such results > > > for DMARC validation itself, among headers of original messages, > > > during DMARC processing, so they are delivered to end user's > > > mailbox with the message. > > > [...] > > That's interesting. I imagine I assumed they were all (or would all be) doing > that already, so it wasn't made explicit. > I'm not so sure about the SHOULD because the only interoperability A-R > enables is stuff between the verifiers and the MUAs and humans, really. It > certainly wouldn't be a bad idea for us to highlight how useful it would be > though. > It is mentioned in Section 6, but the mention there doesn't even say that > it's the DMARC result that's supposed to be recorded. That bit at least > needs to be fixed. > Anyone else have a comment? We based DMARC spec on the From header because it is visible to the end user. I understand it is hard to indicate a UI design specification, but we should advice MUA that this header and especially the domain name(s) found there are important, and they should remain visible and easily readable (in a non confusing way) to the end user. So I'm happy with advice to MTA, and I still think we should do an advice to the MUA, by telling what is important to us.
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