I’ve never had dkim and I’ve never had an issue until recently, so yeah it looks like I was caught in some spam war crossfire
No DKIM records will wreak havoc. Every major provider is rolling out scoring.
I was just looking through how to set this up for self hosted. Doesn’t look bad, just annoying.
your domain was probably old enough to be trusted, but they have probably changed parameters now
They require dmarc as of February