On Sat, 2020-06-13 at 07:56 +0000, Andy Smith wrote: > On Sat, Jun 13, 2020 at 07:52:55AM +0000, Andy Smith wrote: > > Looking at the email concerned, it had a line starting with "From" > > quoted with a ">". > > > > Mailing lists often do things like that, breaking DKIM. > > I will add that I recall that Debian postmasters have been asked > before about making changes to accommodate receiving sites that are > strict about DKIM, and they explicitly declined to do so. I think > that was more in the context of rewriting the mail's From header > though (not preventing body changes as is the case here). > > So I would not expect the DKIM situation to change any time soon with > regard to Debian mailing lists.
DKIM and Mailinglists has never changed, it's never been advised to mix the two, and it won't be. What you should be aspiring for is ARC. -Jim P.