DKIM fails depending on Content-Transfer-Encoding

[googly.negotiator862 at aceecat.org]

On Thu, Sep 07, 2023 at 10:31:53AM +1000, raf via Mutt-users wrote:

> 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.

My own MTA is configured (not *mis*configured) like that, because
I prefer SMTP as it was originally specified :) But I don't block
incoming messages based on DKIM failure.

-- 
Ian