> On Apr 17, 2024, at 6:20 PM, John Levine <jo...@taugh.com> wrote: > > It appears that Todd Herr <todd.h...@valimail.com> said: >> When DMARC was first developed, there was concern about DNS load and >> needing to minimize DNS lookups. Operational expertise now shows that this >> is no longer cause for concern. >> >> Short circuiting a tree walk has led to many issues, like a reliance on the >> PSL, complicated algorithms for Org Domain discovery, ... > > I have to say I have some sympathy for just taking out the limit and > if you sometimes need to walk umpteen levels on stupid domains, so be > it. > > Or I suppose say if there's more than 8 components in the name, just stop > because no domain > actually used for mail is that deep. Take out the skip stuff.
Yeah, you aren’t designing for the perfect storm edge case. _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
