List of email providers
@cuddle @offtopic
Here is a list I gathered, I didn't checked them all but maybe you'll find what you want inside :
https://mail.proton.me/ https://tuta.com/ https://mail.tutanota.com/ https://murena.io/apps/snappymail/ https://mail.disroot.org/ https://skiff.com/ https://skiff.com/mail https://app.skiff.com/mail/inbox https://mailfence.com/ https://swisscows.email/en/ https://www.mail.com/ https://www.gmx.fr/ https://sud-ouest2.org/