Best standard email (IMAP/SMTP) provider that is not terrible for privacy?

No proper DMARC which means anyone can spoof your email address and send spam or illegal content and it’d be marked as legitimate. They also tried to hide this.

They do a lot of things better than other providers like the encryption you mentioned plus IMAP support and not requiring more PII than necessary, but without a proper DMARC, nothing else matters. Just stick with Disroot or one of the PG recommended providers.