DMARC/DKIM mitigation on maling lists

[Markus Neteler]

On Wed, Nov 8, 2023 at 1:43 PM Greg Troxel <gdt at lexort.com> wrote:
>
> This is not really related to dealing with DMARC, but I noticed
> something in your message.
>
> Here are the headers in the messaeg, minus a couple added by my system
> (spam filtering scores) omitted to reduce noise.
>
>   - Your message has a From: of neteler at osgeo.org.
>   - it was actually sent via google.
>     * google did not include your client's IP address (that's great)
>     * google has an X-Google-DKIM-Signature instead of DKIM-Signature
>       (This is bizarre but not news to me)
>     * google's faux DKIM header is from 1e100.net
>       (also odd but not news)
>   - osgeo.org applied a dkim signature from osgeo.org to the list
>     message
>

Would changing anything in this regard help?
https://wiki.osgeo.org/wiki/SAC:Message_Submission_Agent

I wonder how to make use of this new SAC MUA service with Gmail (which
many will use) rather than Thunderbird.

Markus