[GTALUG] We are having DMARC/DKIM troubles ...

[Stewart C. Russell]

If replies seem patchy, we've just had a bunch of people - mostly Yahoo
and Rogers users - auto-kicked from the list due to DMARC. This is an
ongoing pain for list admins. The reason given by Yahoo is this:

  https://help.yahoo.com/kb/postmaster/SLN7253.html

Yeah, they're advising Reply-To mungeing as an industry standard. Joy!

cheers,
 Stewart