@h2onolan The open secret is that you can do all the SPF, DKIM, DMAC, and any other email acronym perfectly but at the end of the day, IP address reputation is the #1 thing that matters and is the hardest thing to establish. I ran my own personal server for a decade and jumped through the hoops to get everyone to accept my emails. Now they've raised the hoops and set them on fire.
@jeffers00n yep. but the thing that makes me angry is that it doesnt have to be like that- goog CHOOSES to be shitty about it because it helps their business model and there is nothing we can do about it besides suffer. Google should not be the arbiter of email delivery.