On July 9, 2022 5:07:43 PM UTC, Alessandro Vesely <ves...@tana.it> wrote: >On Fri 08/Jul/2022 22:07:09 +0200 John Levine wrote: >>>> The description of the tree walk should be clear enough. >>> >>> Yeah, /should/! The very fact that you yourself changed your mind about >>> how it works, without going into the hassle of explaining your reasoning, >>> ... >> >> Um, what? Scott and I went through some rounds of debugging to be sure the >> tree walk handled some obscure edge cases in a reasonable way. It was all >> on this very mailing list with examples. I think what we have now is OK but >> if you find something in the tree walk that is unclear or gets an >> unreasonable result, let us know, preferably with a concrete example. > > >I think I received all list messages (although I don't check against your >weekly count) an I read all of them. Perhaps I've been inattentive, but I >don't recall the switch from stop on psd=y to continue on psd=y if it's the >first lookup. Any pointer?
I don't recall having changed this. If you can check the previous draft revisions to see when it changed, maybe I could find it. I'm confident that any changes to the way the tree walk works have been discussed on the list. >> Having done that, I remind everyone for the umpteenth time that that the >> overwhelming majority of DMARC publishers and DMARC lookups will not see >> even one psd tag, much less more than one. While I could sort of see the >> use of an appendix describing the normal sorts of DMARC records that real >> mail operators are likely to publish and evaluate, I cannot see any benefit >> in wasting yet more time on arcane PSD edge cases. > > >I agree, but I think developers will have to code for corner cases as well, >won't they? Telling programmers to just follow the spec, without trying to >understand them seldom results in good code. Yes, but I don't think it's that complicated. I may be wrong, but I don't think any of the recent corner case discussions have raised any points that weren't already handled by the code I wrote based on what's in the draft. I think the last time I had to change anything was when we ditched the reverse tree walk. Scott K _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
