Bill Cole via Postfix-users wrote in <[email protected]>: |On 2026-05-06 at 16:00:53 UTC-0400 (Wed, 6 May 2026 22:00:53 +0200) |Håkon Alstadheim via Postfix-users <[email protected]> |is rumored to have said: | |[...] |> |> Ah, I think I may have been unclear, that is an excerpt from the DKIM |> header, captured in a BCC before it leaves my site. In full: |> |> DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; |> d=alstadheim.priv.no; | |There's the problem right there: the 'simple/simple' canonicalization is |not a useful part of the DKIM specification.
..oooh, ear ringing here.. Better say something like "dear collegues, it seems to me the simple/simple c..n type could possibly be left off next time". |Switch to 'relaxed/relaxed' and your troubles will end. I am all in favour of that. (Though i think about two years ago i had a look at certain dkim implementations .. and saw problems with exactly whitespace; if i recall correctly, only the exim implementation was truly correct according to written standards, otherwise used isspace(3) for example, not even isblank(3).. and such things.) --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt) _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
