What is the most secure way and privacy-focused to send email now (current tech)? PGP or S/MIME, Given both parties willing to learn the technical parts?
Use case, both of parties use third party email services, like gmail/hotmail/protonmail, to connect in the first place, most likely will continue using email (after we have a video chat to confirm we are who we are）for the rest of the communication. Just feel like email seem the best for online where we are not locked down to an APP. Now need to learn the confidentiality and integrrity parts.