Re: [dmarc-ietf] Is From spoofing an interoperability issue or not?

2023-04-18 Thread Jesse Thompson
On Mon, Apr 17, 2023, at 8:37 AM, Laura Atkins wrote: > Should the IETF make the interoperability recommendation that SaaS providers > who send mail on behalf of companies support aligned authentication? That > means custom SPF domains and custom DKIM signatures. > > And if they can’t, then do

[dmarc-ietf] Gaining Legitimacy

2023-04-18 Thread Douglas Foster
We tend to talk about legitimacy in contrast to malice or criminality, but in my economics classes, legitimacy was less pejorative. Gaining legitimacy meant gaining the social acceptance to continue operating. When a business gains enough customers to turn a profit, it has legitimacy. If it

Re: [dmarc-ietf] Signaling MLMs

2023-04-18 Thread Benny Pedersen
Hector Santos skrev den 2023-04-18 20:47: So your verifier see Benny’s as suspicious because of arc=fail? it does imho not fail on my own arc ? Benny is telling the world “ietf.org [1] is authorize to resign on my behalf” via DNS. No headers required. No delayed learning necessary. if

Re: [dmarc-ietf] Proposed text for p=reject and indirect mail flows

2023-04-18 Thread Scott Kitterman
On April 18, 2023 10:25:00 PM UTC, Jim Fenton wrote: >On 9 Apr 2023, at 11:33, Barry Leiba wrote: > >> There is an alternative, though: we can acknowledge that because of how >> those deploying DMARC view their needs over interoperability, DMARC is not >> appropriate as an IETF standard, and

Re: [dmarc-ietf] Proposed text for p=reject and indirect mail flows

2023-04-18 Thread Scott Kitterman
On April 18, 2023 10:00:45 PM UTC, Jim Fenton wrote: >On 9 Apr 2023, at 0:50, Murray S. Kucherawy wrote: > >> (Note, here, that Barry has in his proposed text limited the constraint to >> those types of deployments where the damage is likely. I concur. DMARC, >> as currently defined, works

Re: [dmarc-ietf] Proposed text for p=reject and indirect mail flows

2023-04-18 Thread Mark Alley
I'm glad you brought up the binding operative, I had the same thought. The federal mandate also pushed several state governments to follow suit, as there wasn't any pressure before (even though federal BO's don't technically apply to state governments.) Examples: Alabama - reject

Re: [dmarc-ietf] Proposed text for p=reject and indirect mail flows

2023-04-18 Thread Jim Fenton
On 9 Apr 2023, at 11:33, Barry Leiba wrote: > There is an alternative, though: we can acknowledge that because of how > those deploying DMARC view their needs over interoperability, DMARC is not > appropriate as an IETF standard, and we abandon the effort to make it > Proposed Standard. > > I see

Re: [dmarc-ietf] Proposed text for p=reject and indirect mail flows

2023-04-18 Thread Jim Fenton
On 9 Apr 2023, at 0:50, Murray S. Kucherawy wrote: > (Note, here, that Barry has in his proposed text limited the constraint to > those types of deployments where the damage is likely. I concur. DMARC, > as currently defined, works just fine when deployed in transactional > situations. Or, at

Re: [dmarc-ietf] Is From spoofing an interoperability issue or not?

2023-04-18 Thread Hector Santos
On Apr 18, 2023, at 1:11 PM, Alessandro Vesely wrote: > > Perhaps when DMARC will work smoothly, someone will find out how to tell > legitimate rewriting from plain spoof. > Lookup DMARC record and begin to piggy back off this lookup: - Check for rewrite=1 tag indicating allowance to

Re: [dmarc-ietf] Signaling MLMs

2023-04-18 Thread Hector Santos
> On Apr 18, 2023, at 12:24 PM, Alessandro Vesely wrote: > > What's the point of wearing an atps record if it's not called out in a DKIM > signature? (I wouldn't have tested it anyway). Alessandro, you are already doing the DNS call for DMARC. Hitch a ride!! You can check for atps=y or

Re: [dmarc-ietf] Is From spoofing an interoperability issue or not?

2023-04-18 Thread Alessandro Vesely
On Mon 17/Apr/2023 22:59:29 +0200 Dotzero wrote: On Mon, Apr 17, 2023 at 12:05 PM John Levine wrote: It appears that Laura Atkins said: Is this another issue we should document and make recommendations about? I was thinking along the line that transactional SaaS providers should fully

Re: [dmarc-ietf] Signaling MLMs

2023-04-18 Thread Alessandro Vesely
On Tue 18/Apr/2023 00:48:30 +0200 Benny Pedersen wrote: Hector Santos skrev den 2023-04-17 20:55: One solution is for the junc.eu domain to add an ATPS authorization record for ietf.org [1] to the junc.eu [2] zone: pq6xadozsi47rluiq5yohg2hy3mvjyoo._atps  TXT ("v=atps01; d=ietf.org;") retest

Re: [dmarc-ietf] Signaling MLMs

2023-04-18 Thread Hector Santos
On 4/17/2023 6:48 PM, Benny Pedersen wrote: Hector Santos skrev den 2023-04-17 20:55: One solution is for the junc.eu domain to add an ATPS authorization record for ietf.org [1] to the junc.eu [2] zone: pq6xadozsi47rluiq5yohg2hy3mvjyoo._atps TXT ("v=atps01; d=ietf.org;") retest [3]