Hello Raf, On 2023-09-07 10:31, raf via Mutt-users wrote: > On Wed, Sep 06, 2023 at 01:33:30PM +0200, f...@igh.de wrote: > > > Dear Mutt Users > > > > recently I experienced DKIM fails that depend on the > > Content-Transfer-Encoding of messages text part. > > > > Being a german I use to write my messages in german with UTF-8 > > encoding. I prefer plain text. My e-mails are DKIM signed. I have > > checked DKIM to be set up correctly twice. > > > > By default Mutt does 8bit encoding for text/plain. Now I found that > > several (most) of the recipient systems fail to check DKIM.
... > Hi, This has come up recently in the Postfix mailing list. > MTAs can convert 8bit messages when sending to another MTA > that doesn't advertise that it can accept 8bit. If the DKIM > signing happens before the conversion, then subsequent DKIM > checks will fail. Work is being done in Postfix to address > this. I don't know about other MTAs. It seems unlikely that > there are any MTAs that can't accept 8bit messages, but perhaps > there are some that are misconfigured and don't advertise the > fact to other MTAs. that's a good hint. I also suspected some MTA. So I should do further investigation on them. Best Regards Torsten -- ------------------------------------------------------------------------ Torsten Finke f...@igh.de ------------------------------------------------------------------------
