Steffen Nurpmeso via Postfix-users wrote in
 <20240306193747.mAtzRjYs@steffen%sdaoden.eu>:
 ...
 |My milter now treats LF and CR not in a CRLF as real whitespace.
 |The email i just sent was accepted by Google, this one should also
 |wrap, and we see what this software does (rspamd is it i think).
 |
 |So it seems to me, without having looked what OpenDKIM does, and
 |maybe i should explicitly Cc: Scott Kitterman for his dkimpy, but
 |i know he is on this list, just let's wait a bit, that all these
 |DKIM milters do it falsely, and treat LF and CR other than the
 |combination of CRLF as whitespace.  Even though WSP is defined by
 |"RFC 5234, B.1.  Core Rules:" as "WSP    = SP / HT; white space",
 |and that is what the DKIM and email standards go for.  For the
 |latter i explicitly asked a month or so ago.
 |So they break the email standard, postfix does, too, and in
 |combination all is fine again.

  Authentication-Results: list.sys4.de; dkim=pass header.d=sdaoden.eu;
   arc=none (Message is not ARC signed); dmarc=none

Hahahaha!  What a mess!!!  ;-)
Btw it seems Google does not support Ed25519 keys at all??

And if anyone else is writing a DKIM thing.  I am thankful i could
contact https://www.appmaildev.com/de/dkim for testing purposes.
(If you read this: your service is broken, it does not support
continuation lines in DKIM signatures *at*all*.  But thank you!)

--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)
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