It appears that Murray S. Kucherawy <[email protected]> said: >-=-=-=-=-=- > >On Sun, Aug 18, 2024 at 10:18 PM Jan Dušátko <jan= >[email protected]> wrote: > >> I would like to correct to the "signed part of message is unchanged", >> because of problematic length tag in DKIM-Signature header. > >Are you observing widespread use of "l="? I seem to recall it had almost >completely fallen out of use.
Right. Earlier this year someone published an OMG DKIM TOTALLY BROKEN press release pointing out what we already knew about l=. It turned out there was one bulk mailer using it, who stopped as soon as I told them about it, and maybe one mail server that was sometimes misconfigured to use it. >We discussed at some point the idea of providing MUAs with guidance about >how to display the signed part as different from the unsigned part, but >eventually backed away from giving any sort of general MUA advice like that. Thank heavens. That would have been stupendously user hostile. R's, John _______________________________________________ Ietf-dkim mailing list -- [email protected] To unsubscribe send an email to [email protected]
