If you are fine with setting up an own nextcloud for your calendar and file hosting - go with uberspace.de Their servers are located in germany and they use ro

If you are fine with setting up an own nextcloud for your calendar and file hosting - go with uberspace.de Their servers are located in germany and they use roundcube as email client. Pay what you want, but minimum 1€/month which is very cheap imho. Though they only offer 10G space and the configuration of domains is only possible via ssh. But once you are finished with your setup, nextcloud and roundcube are looking very nice.