For a business? You don't. For hobby/fun? I still wouldn't. I tried years ago an...

bongodongobob 10 months ago | parent | context | favorite | on: Understanding SPF, DKIM, and DMARC: A Simple Guide

For a business? You don't. For hobby/fun? I still wouldn't. I tried years ago and you're just going to fight blacklisting constantly. If you're on a residential/consumer internet service, trying to set it up in your home lab, forget it.