GitHub - tutao/tutanota: Tutanota is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Tutanota makes encryption easy

Tutanota is the secure email service with built-in end-to-end encryption that enables you to communicate securely with anyone on all your devices.

Forum for bug reports/feature requests: https://www.reddit.com/r/tutanota
Roadmap: https://tutanota.com/roadmap/
Issue and feature tracker: https://github.com/tutao/tutanota/issues. Please submit your feature requests via Reddit or via support mail.