DKIM, DMARC, SPF, rDNS/PTR, EHLO... all correct and verified in the email "original source," BY GOOGLE. Still goes to SPAM folder because **** you, apparently. I hate Google.
I put dog shit in my ass and Google knew five minutes before it happened, filmed it, and sold it back to me as a custom highlight of my home alone shenanigans. I find this a bit egregious, personally.