Posteo (https://posteo.de https://posteo.de). Made the switch earlier this year. Webmail UI might seem clunky to some, but I use IMAP so non-issue for me. Easy

Posteo (https://posteo.de https://posteo.de). Made the switch earlier this year. Webmail UI might seem clunky to some, but I use IMAP so non-issue for me. Easy to set up encryption and apparently they're powered sustainably too. One deal breaker I know of is you can't map to your own custom domains. There's something in their FAQ which explains their rationale behind this.