On Thu, Apr 22, 2021, John Levine wrote: > Nope, vanilla install on MacOS. Not sure what your "vanilla install" is...
Firefox 88.0 on MacOS: www.postfix.org and http://www.postfix.org/ show the web page just fine without a problem. It would be nice if the people who write browsers don't try to force their kind of "standards" on others... ("but you can get a free cert" -- what happens when those browsers do not "accept" those free certs anymore?)