Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-28 Thread Scott Kitterman
On Friday, April 28, 2023 3:57:55 AM EDT Alessandro Vesely wrote: > On Fri 28/Apr/2023 05:14:16 +0200 Jesse Thompson wrote: > > On Thu, Apr 27, 2023, at 9:54 PM, Scott Kitterman wrote: > >> On April 28, 2023 2:49:48 AM UTC, Jesse Thompson wrote: > >>>On Thu, Apr 27, 2023, at 9:40 PM, Jesse Thomps

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-28 Thread Alessandro Vesely
On Thu 27/Apr/2023 22:49:31 +0200 Scott Kitterman wrote: On April 27, 2023 4:02:32 PM UTC, Alessandro Vesely wrote: On Wed 26/Apr/2023 13:21:33 +0200 Scott Kitterman wrote: On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-28 Thread Alessandro Vesely
On Fri 28/Apr/2023 05:14:16 +0200 Jesse Thompson wrote: On Thu, Apr 27, 2023, at 9:54 PM, Scott Kitterman wrote: On April 28, 2023 2:49:48 AM UTC, Jesse Thompson wrote: On Thu, Apr 27, 2023, at 9:40 PM, Jesse Thompson wrote: On Thu, Apr 27, 2023, at 10:44 AM, Alessandro Vesely wrote: Also, s

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Jesse Thompson
On Thu, Apr 27, 2023, at 9:54 PM, Scott Kitterman wrote: > > > On April 28, 2023 2:49:48 AM UTC, Jesse Thompson wrote: > >On Thu, Apr 27, 2023, at 9:40 PM, Jesse Thompson wrote: > >> On Thu, Apr 27, 2023, at 10:44 AM, Alessandro Vesely wrote: > >>> Also, state that serious consideration includes

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Jesse Thompson
On Thu, Apr 27, 2023, at 9:52 PM, Scott Kitterman wrote: > > > On April 28, 2023 2:25:57 AM UTC, Jesse Thompson wrote: > >On Thu, Apr 27, 2023, at 9:30 AM, Brotman, Alex wrote: > >> Attempt to make it a tad more concise (I think), altering some of the > >> language: > >> > >> -

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Scott Kitterman
On April 28, 2023 2:49:48 AM UTC, Jesse Thompson wrote: >On Thu, Apr 27, 2023, at 9:40 PM, Jesse Thompson wrote: >> On Thu, Apr 27, 2023, at 10:44 AM, Alessandro Vesely wrote: >>> Also, state that serious consideration includes testing p=quarantine; >>> pct=0^H t=y. >> >> I was going to say s

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Scott Kitterman
On April 28, 2023 2:25:57 AM UTC, Jesse Thompson wrote: >On Thu, Apr 27, 2023, at 9:30 AM, Brotman, Alex wrote: >> Attempt to make it a tad more concise (I think), altering some of the >> language: >> >> - >> There can be inherent damage to the ability to use certain SMTP-

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Jesse Thompson
On Thu, Apr 27, 2023, at 9:40 PM, Jesse Thompson wrote: > On Thu, Apr 27, 2023, at 10:44 AM, Alessandro Vesely wrote: >> Also, state that serious consideration includes testing p=quarantine; >> pct=0^H t=y. > > I was going to say something similar but I think that it is implied by > section A.7

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Jesse Thompson
On Thu, Apr 27, 2023, at 10:44 AM, Alessandro Vesely wrote: > Also, state that serious consideration includes testing p=quarantine; pct=0^H > t=y. I was going to say something similar but I think that it is implied by section A.7 Jesse ___ dmarc maili

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Jesse Thompson
On Thu, Apr 27, 2023, at 9:30 AM, Brotman, Alex wrote: > Attempt to make it a tad more concise (I think), altering some of the > language: > > - > There can be inherent damage to the ability to use certain SMTP-based systems > in conjunction with a policy of quarantine or rej

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Scott Kitterman
On April 27, 2023 4:02:32 PM UTC, Alessandro Vesely wrote: >On Wed 26/Apr/2023 13:21:33 +0200 Scott Kitterman wrote: >> On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: >>> On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My recollection is that a general formulation tha

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Alessandro Vesely
On Wed 26/Apr/2023 13:21:33 +0200 Scott Kitterman wrote: On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My recollection is that a general formulation that I proposed had at least some traction out of both groups: [some app

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Alessandro Vesely
On Thu 27/Apr/2023 16:30:14 +0200 Brotman, Alex wrote: Attempt to make it a tad more concise (I think), altering some of the language: - There can be inherent damage to the ability to use certain SMTP-based systems in conjunction with a policy of quarantine or reject. These

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Brotman, Alex
e firewall. -- Alex Brotman Sr. Engineer, Anti-Abuse & Messaging Policy Comcast > -Original Message- > From: dmarc On Behalf Of Scott Kitterman > Sent: Thursday, April 27, 2023 1:07 AM > To: dmarc@ietf.org > Subject: Re: [dmarc-ietf] Search for some consensus, was: Pro

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-27 Thread Hector Santos
On 4/26/2023 11:51 AM, Scott Kitterman wrote: I agree that more will be needed. Thanks for the feedback. The last run at this question ended up being a mess, so I'm trying to see if we can get further by going in small steps. Scott, I provided some suggested text below of what I think, a

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Scott Kitterman
On April 27, 2023 2:32:49 AM UTC, Jim Fenton wrote: >On 26 Apr 2023, at 9:06, John Levine wrote: > >> It seems to me there are two somewhat different kinds of DMARC damange >> that we might separate. One is what happens on discussion lists, where >> messages get lost and in the process unrelated

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Jim Fenton
On 26 Apr 2023, at 9:06, John Levine wrote: > It seems to me there are two somewhat different kinds of DMARC damange > that we might separate. One is what happens on discussion lists, where > messages get lost and in the process unrelated recipients get > unsubscribed. The other is simple forwardi

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Jesse Thompson
On Wed, Apr 26, 2023, at 5:47 PM, Scott Kitterman wrote: > On April 26, 2023 9:39:08 PM UTC, Jesse Thompson wrote: > >On Wed, Apr 26, 2023, at 11:06 AM, John Levine wrote: > >> It appears that Scott Kitterman said: > >> >>Domains owners who have users who individually request 3rd parties to > >

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Scott Kitterman
On April 26, 2023 9:39:08 PM UTC, Jesse Thompson wrote: >On Wed, Apr 26, 2023, at 11:06 AM, John Levine wrote: >> It appears that Scott Kitterman said: >> >>Domains owners who have users who individually request 3rd parties to emit >> >>mail as an address within the domain MUST NOT publish a

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Scott Kitterman
On April 26, 2023 9:52:29 PM UTC, Jesse Thompson wrote: >On Wed, Apr 26, 2023, at 6:21 AM, Scott Kitterman wrote: >> >> >> On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: >> >On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: >> >> My recollection is that a general formulati

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Jesse Thompson
On Wed, Apr 26, 2023, at 6:21 AM, Scott Kitterman wrote: > > > On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: > >On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: > >> My recollection is that a general formulation that I proposed had at least > >> some traction out of both gro

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Jesse Thompson
On Wed, Apr 26, 2023, at 11:06 AM, John Levine wrote: > It appears that Scott Kitterman said: > >>Domains owners who have users who individually request 3rd parties to emit > >>mail as an address within the domain MUST NOT publish a > >restrictive DMARC policy if they wish to support their users

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread John Levine
It appears that Scott Kitterman said: >>Domains owners who have users who individually request 3rd parties to emit >>mail as an address within the domain MUST NOT publish a >restrictive DMARC policy if they wish to support their users' usage of any >potential 3rd party. Examples of 3rd parties

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Scott Kitterman
On April 26, 2023 3:24:58 PM UTC, Hector Santos wrote: > > >On 4/26/2023 7:21 AM, Scott Kitterman wrote: >> On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: >>> On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My recollection is that a general formulation that I propose

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Hector Santos
On 4/26/2023 7:21 AM, Scott Kitterman wrote: On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My recollection is that a general formulation that I proposed had at least some traction out of both groups: [some appropriate d

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Scott Kitterman
On April 26, 2023 8:08:39 AM UTC, Alessandro Vesely wrote: >On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: >> My recollection is that a general formulation that I proposed had at least >> some traction out of both groups: >> >>> [some appropriate description] domains MUST NOT publish

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-26 Thread Alessandro Vesely
On Tue 25/Apr/2023 20:27:18 +0200 Scott Kitterman wrote: My recollection is that a general formulation that I proposed had at least some traction out of both groups: [some appropriate description] domains MUST NOT publish restrictive DMARC policies due to interoperability issues Leaving aside

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Scott Kitterman
On April 26, 2023 2:50:16 AM UTC, Hector Santos wrote: >On 4/25/2023 10:06 PM, Scott Kitterman wrote: >> On April 26, 2023 1:47:14 AM UTC, Hector Santos wrote: >>> On 4/25/2023 9:06 PM, John Levine wrote: PS: If anyone was going to suggest we just tell people how to change their mail

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Scott Kitterman
On April 26, 2023 2:23:52 AM UTC, Jesse Thompson wrote: >On Tue, Apr 25, 2023, at 8:06 PM, John Levine wrote: >> It appears that Scott Kitterman said: >> >My recollection is that a general formulation that I proposed had at least >> >some traction out of both groups: >> > >> >> [some appropr

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Hector Santos
On 4/25/2023 10:06 PM, Scott Kitterman wrote: On April 26, 2023 1:47:14 AM UTC, Hector Santos wrote: On 4/25/2023 9:06 PM, John Levine wrote: PS: If anyone was going to suggest we just tell people how to change their mailing lists to work around DMARC, don't go there. I don't follow. A "no ch

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Jesse Thompson
On Tue, Apr 25, 2023, at 8:06 PM, John Levine wrote: > It appears that Scott Kitterman said: > >My recollection is that a general formulation that I proposed had at least > >some traction out of both groups: > > > >> [some appropriate description] domains MUST NOT publish restrictive DMARC > >>

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Scott Kitterman
On April 26, 2023 1:47:14 AM UTC, Hector Santos wrote: >On 4/25/2023 9:06 PM, John Levine wrote: >> It appears that Scott Kitterman said: >>> My recollection is that a general formulation that I proposed had at least >>> some traction out of both groups: >>> [some appropriate descripti

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread Hector Santos
On 4/25/2023 9:06 PM, John Levine wrote: It appears that Scott Kitterman said: My recollection is that a general formulation that I proposed had at least some traction out of both groups: [some appropriate description] domains MUST NOT publish restrictive DMARC policies due to interoperabili

Re: [dmarc-ietf] Search for some consensus, was: Proposed text for p=reject and indirect mail flows

2023-04-25 Thread John Levine
It appears that Scott Kitterman said: >My recollection is that a general formulation that I proposed had at least >some traction out of both groups: > >> [some appropriate description] domains MUST NOT publish restrictive DMARC >> policies due to interoperability issues This seems like a reason