Email – Thunderbird
- install Thunderbird v78.3.1 (64-bit)
- configure email account – create a app specific password (ex: Gmail, Hotmail, YahooMail….)
- back-up the generated keys in a safe location
- set a personal key pair for your email address – Account Settings – e2ee – End to End Encryption -add new key: expire in 1 year, Key type: ECC (elliptic curve)
- ensure both the communication parties have the same level of encryption
- test the system before using it regularly
Chat – Install Adium 1.5.10.4 (MacOS)/Pidgin 2.14.1 (Windows)