[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Laura Atkins
> On 30 Jan 2025, at 21:39, Jeremy Harris wrote: > > On 30/01/2025 21:19, Michael Thomas wrote: >>> I’m a little unclear on the need to fully describe the “mutation” that >>> might be applied by an intermediary. Even if fully described, you need to >>> have some trust of the intermediary to a

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Dave Crocker
On 1/31/2025 9:38 AM, John R Levine wrote: I'm equallly looking forward to a description of all the experience with the Author header.  Sheesh. Thanks for engaging in discussion of substance, rather than choosing to dive into an attack an alternative proposal.  Very professional. d/ -- Dav

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread John R Levine
p.s.  glad to hear you have done some local testing of an unmunger.  No doubt this has been well-documented publicly and is familiar to the rest of the community.  I'm sure the experience will provide useful input to the public discussion that will eventually start, about this new technology.  S

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Steffen Nurpmeso
Dave Crocker wrote in : ... |In a discussion about creating a complex, untested technology, to be |used at scale, asking about whether a far simpler approach that is In how far is it complex, actually? File differences is at the core of for example git(1), and i do not mention all the other

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread John Levine
It appears that Dave Crocker said: >-=-=-=-=-=- > >On 1/30/2025 1:39 PM, Jeremy Harris wrote: >> One useful thing from being able to recover the message as it arrived >> at a mailing-list manager: An MUA displaying the message could >> display the original From: header - undoing some of the damag

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Dave Crocker
On 1/30/2025 1:39 PM, Jeremy Harris wrote: One useful thing from being able to recover the message as it arrived at a mailing-list manager: An MUA displaying the message could display the original From: header - undoing some of the damage that (IMHO) dkim/dmarc has perpetrated in forcing MLMs to

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Dave Crocker
On 1/31/2025 7:58 AM, John Levine wrote: Has anyone ever implemented it? I've never heard of anyone doing so. On the other hand, I've done From header unmungers that know about the particular munges that some lists do, and would like it if there were a more general way to do that. In a disc

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Steffen Nurpmeso
Michael Thomas wrote in <4af22ea9-b533-497b-bd14-d37b46a61...@mtcc.com>: |On 1/30/25 5:00 PM, Murray S. Kucherawy wrote: |> On Thu, Jan 30, 2025 at 1:34 PM Michael Thomas wrote: |>> But I'm content to leave that discussion to the WG rather than |>> the charter. |>> |> I do think

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread John Levine
It appears that Dave Crocker said: >-=-=-=-=-=- > >On 1/31/2025 7:58 AM, John Levine wrote: >> Has anyone ever implemented it? I've never heard of anyone doing so. >> >> On the other hand, I've done From header unmungers that know about the >> particular >> munges that some lists do, and would

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Steffen Nurpmeso
John Levine wrote in <20250131155823.b9661bab1...@ary.qy>: |It appears that Dave Crocker said: |>On 1/30/2025 1:39 PM, Jeremy Harris wrote: |>> One useful thing from being able to recover the message as it arrived |>> at a mailing-list manager: An MUA displaying the message could |>> displa

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Dave Crocker
On 1/31/2025 10:31 AM, John Levine wrote: More to the point, the whole point of making mutations reversible is so that recipient systems can recover the original signed message and intermediates can leave the From header alone, only making changes that they consider useful, like subject line tags

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread John R Levine
On Fri, 31 Jan 2025, Dave Crocker wrote: But again, my original point on this sub-trhead is that Author: is trivial, not fragile, and based on constructs that have been used in email from its start.  It does not address the larger problem, but it does address From field munging. Can you tell

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Dave Crocker
On 1/31/2025 7:39 PM, John R Levine wrote: Can you tell us about MTAs and MUAs that have implemented it?  I'm not aware of any.  The RFC was published four years ago So, John, back to this? Is there some reason you are so insistent on conducting a design discussion with a focus on something

[Ietf-dkim] Re: Goal of "mutations" objective?

2025-01-31 Thread Steffen Nurpmeso
Dave Crocker wrote in : |On 1/31/2025 10:31 AM, John Levine wrote: |> More to the point, the whole point of making mutations reversible \ |> is so that |> recipient systems can recover the original signed message and intermedia\ |> tes |> can leave the From header alone, only making changes

[Ietf-dkim] Review: draft-gondwana-dkim2-motivation-01

2025-01-31 Thread Dave Crocker
Review of: ID: https://www.ietf.org/id/draft-gondwana-dkim2-motivation-01.html DKIM2 Why DKIM needs replacing, and what a replacement would look like draft-gondwana-dkim2-motivation-01 While the draft might have started with a direction that matches the title, it is no