Haven't tried Fastmail, but switched from Protonmail to Tutamail (because of Proton's ceo beein pro Trump). On Tutamail email arrive in an instant (like verify your email, mails etc), on Protonmail there always was a minute or two delay, sometimes longer.
this post was submitted on 05 Feb 2026
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You switched email providers because the CEO made a positive comment about a Trump appointment?
I did the same. Ama.
Sure. What will you do if the CEO of Tuta says something positive about a Trump appointment? Do you apply similarly stringent standards in every purchasing decision?
More to the point, was what Andy Yen said really that bad?
Well, I will cross that bridge when we get there. I can't do much, but I'll do what I can.
The ones that involve my privacy and communications, yes where possible.
Probably not. Its my money though.
It's not a strong reason for sure, but I agree with them, just in principle. It sends a message.
"We hate the guy that much that anything positive about him puts you in the bad list. We can acknowledge the sparse good things he did by chance once he is dead. Until then, don't you dare."
I've been using Proton Unlimited for a few years and I'm planning to switch to Fastmail soon.
Mostly because I dislike Proton not supporting the standard client protocols. I know Proton's "zero-knowledge encryption" is the reason why, but that doesn't feel like the most meaningful privacy gain to me considering it's only for the message body and doesn't apply to email metadata. Proton could try collaborating with and extending open standards with the encryption features they need, making it feasible for third-party clients to implement sync without a bridge, but they haven't.
Needing a mail bridge is a moderate annoyance on desktop. But on mobile it means you're basically forced to use their app. At least the Proton Android app is GPL and I haven't had issues with it, but I don't like the lock-in existing at all. Fastmail in contrast has been pushing forward JMAP as an open standard to make mobile sync on third-party clients better than what's possible in IMAP.
I also don't like Proton Unlimited being limited to 3 domains and 15 total addresses (not counting simplelogin). Fastmail has far higher limits there.
Both services seem to use a fair bit of proprietary software server-side but I think Fastmail has more of the important stuff be FOSS including their main imap/caldav/etc server (Cyrus).
I've been using Proton Mail for a while. It works well for me.
I didn’t love the idea of the Proton basket for all my eggs. Besides I already self host alternatives to the whole g-suite, so I didn’t have the need for a drop in replacement. So I went with Fastmail. I am a huge fan of the alias and masked email options, and beyond those it works as expected for an email service. The mobile apps are decent, and I was able to get them on a de-googled android device. No complaints.
Honestly, just assume email is an inherently weak protocol in regards to privacy and work from there. So I would suggest getting the cheaper one that fulfills your feature needs and work with E2E encryption like OpenPGP (which also has issues, beware!). Some providers offer encrypting incoming emails with your public key. If you want more secure interpersonal communication look elsewhere (e.g. Signal).
Happy with Fastmail. Proton has always seemed too pseudo edgy to me. Cranemail while US based is a cheaper alternative by good folks.
I use fastmail for the email alias ability. Proton doesn't have as robust a system for creating lots of different email addresses that all go to the same place. Also proton is only encrypted if both parties use proton so it's security claims are diminished in my eyes. It's better to assume nothing is encrypted than to think everything is and be wrong.
Fastmail user here. Never been a problem. It works as advertised.
I can't compare to fastmail since I haven't used it, but I've been very happy with proton mail.