@iris we still use protonmail, the automatic encryption between proton addresses is useful for us as many anti-fascists already use it.
If proton gets worse, we'll probably go back to using our riseup address and encrypt the emails the old fashioned way.
This is a very good resource on privacy respecting tools and services: https://www.privacyguides.org/en/tools/
Shout-out to @Em0nM4stodon