If you want encrypted instant messaging, I'd recommend the Matrix ecosystem, using the Element apps. For an email-based protocol, I would suggest Delta Chat, which is backwards compatible with existing email accounts, and follows the Autocrypt approach to PGP.  https://element.io/  https://delta.chat/en/  https://autocrypt.org/. - Source: Hacker News / 22 days ago
> you have to use it in your existing email client, and then you have to download keys, and then there’s this whole third issue of making sure they’re the right keys. If you use Thunderbird as your email client, then it will download the right keys for you automatically. Actually it's two clicks to use the WKD support to download the key (assuming your correspondent's email provider supports that, as ProtonMail... - Source: Hacker News / 22 days ago
> a new protocol that can degrade gracefully Does Autocrypt meet that definition? https://autocrypt.org/ Sadly, for the last 3 years, ProtonMail has resisted implementing it (unlike Posteo, for example), using FUD tactics to justify themselves: https://github.com/ProtonMail/WebClient/issues/120. - Source: Hacker News / 2 months ago
If we're sharing obligatory links, then a detailed critique of "The PGP Problem" is: https://articles.59.ca/doku.php?id=pgpfan:tpp It's true, though, that much work is needed to bring PGP up to the levels expected of modern crypto tools. Hopefully some of that will happen as a result of the work happening in the IETF: https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-03.html and due to technology... - Source: Hacker News / 4 months ago
I think Autocrypt is meant to help address this issue, but not 100% sure. Someone, please correct me if this is wrong. - Source: Reddit / 5 months ago
It sounds like what you want should be doable, although I suspect it takes multiple parts working together. As for the sending messages part, one option is autocrypt, which I learned about from Mailpile (linked elsewhere in other comments). There are arguably more secure options, but autocrypt does make it easy to send encrypted emails (and switch to encryption when someone else starts encrypting their emails. - Source: Reddit / 6 months ago
Do you know an article comparing Autocrypt to other products?
Suggest a link to a post with product alternatives.