Discover free, open-source, and secure email clients, along with some email alternatives you may not have considered.
OpenPGP also does not support Forward secrecy, which means if either your or the recipient's private key is ever stolen, all previous messages encrypted with can be exposed/visible in plaintext. How do I protect my private keys?
Rather than use email for prolonged conversations & communications, consider using a medium that does support Forward secrecy. It's best to be as secure as possible.Recommended Instant Messengers
- NeoMutt - NeoMutt is an open-source command line mail reader (or MUA) for Linux and BSD. It’s a fork of Mutt with added features.
- Rainloop - RainLoop is a web based email client. Simple, modern & fast web-based email client.
Do note that iOS is NOT recommended.
- Letterbox - Letterbox is a free open-source mail client for iOS made as a part of an ongoing research project at the Freie Universität Berlin, Germany.