One thing is that I email and receive emails from almost no one that uses an encrypted service on their end so I have nearly zero expectations when it comes to email. Regardless, as long as it's encrypted so they have been demonstrated in court to not being able to provide the content of my emails and you can pay with some crypto, then I consider it good enough. Other thing is that regardless of what country you live in, a service outside of the country you live in. Preferably even countries that have the least if not just about no significant information sharing treaties. Maybe hostile to the country I live in is best. I have no concerns about law enforcement in other countries. My concern is the authority that I live under practically every day of the year regardless of their behavior in the present

Other types of services I have higher expectations for privacy like cloud storage and VPNs