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.
@daniskarma @laurenceOfSuburbia yeah the complication is not technical so much as bureaucratic. Email itself is simple, but then you have to jump through hoops of tuning various other technical settings for Big Email to allow you inI think it's usually to do with sending, so if you're only interested in receiving I think you'll be fine (unless your server uptime's really bad or something)