German secure email and workspace service with mail, Drive, calendar, contacts and OpenPGP. Pseudonymous signup is allowed because names are not verified; payment methods include bank/card/PayPal/SEPA and cash by post or bank cash deposit, not cryptocurrency.
Mailbox.org scores 80/99 and Posteo scores 92/99. Use this page as a starting point, then review each provider profile for ownership, warnings, and policy changes.