this post was submitted on 24 Jul 2024
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Just use any other email provider that works for you and use standard OpenPGP to encrypt your emails. This is how email end to end encryption (e2ee) usually works.
As long as the emails are properly e2ee, no email provider is "more private" than others. They can always see who your are emailing and when. Proton is still forced to give out all your metadata to the cops just like any other service.
Also if whoever you are emailing isnt using protonmail, or another PGP compatible client, then your emails arent actually encrypted at all. For work emails the other party usually wont be using any of that so there is no point, for personal stuff i would honestly use standard messengers that have encryption built in like matrix, signal, session.
If you want e2ee email tho, then on desktop Thunderbird has all the OpenPGP stuff built in and for mobile there is the K9-Mail client that can be coupled with the openkeychain plugin to offer encryption.
There are also things like DeltaChat that allow you to use email in an instant messaging style format while using the same encryption keys that you use for standard emails. But tbh thats not what email is intended for, i would just use matrix for that.
Protonmail is a decent attempt at offering "easy to use" encryption but by doing so, makes it overly complex from a software security and compatibility standpoint.
With e2ee you want to have the absolute minimum level of complexity and code to make it easy to audit and understand. PGP has been the standard implementation for email encryption for decades. Any attempt to "expand" on this by implementing fancy web based shenanigans undermines the simplicity and inter compatibility of the preexisting email encryption ecoystem that everyone has been using.
The problem is that almost no one uses PGP, as this vice article points out: https://www.vice.com/en/article/vvbw9a/even-the-inventor-of-pgp-doesnt-use-pgp
If your goal is secure communication with other tech-savvy, privacy conscious people, then I agree that PGP is a reliable, time tested solution.
But if your goal is to keep email providers from data mining your inbox, then Proton is an easy way to do that, no matter who you're communicating with.
How can proton protect your unencrypted emails? Unless you are writing someone that also uses protonmail or pgp, the emails wont be encrypted. This is barely an advantage at all over the existing system. You are just telling people to depend on this single point of failure, which is proton.
You cant expect everyone to use protonmail, that would be unwise from a decentralization standpoint. The real solution is only using email for people that are unwilling or unable to use something other than email. For everyone else you should simply switch to different communications protocols that were made with e2ee in mind.
I think we mostly agree, and I appreciate you advocating for secure alternatives and privacy in general!
That's true. Proton can only encrypt your inbox in that case.
I disagree. Having my inbox encrypted and using an email provider that doesn't mine my data is certainly worthwhile for me.
I'm not advocating Proton over other, more secure and private communication methods. My point is that, if you're choosing an email provider, Proton is a good choice. They're a nonprofit whose mission is privacy, and they spend considerable technical effort to ensure it.
I would hate to see someone switch from Proton to Gmail or some other provider that doesn't offer any privacy because they mistakenly think all providers are the same.
To the extent that's practical, I strongly agree. As you correctly point out, email is a plaintext protocol, and there's nothing Proton can do about that.
But if you do use email and not all your contacts have exchanged PGP keys with you, which I'm sure is true for many people, then I think there's a lot of value in using a provider that offers an encrypted inbox and doesn't mine your data.