Why hackers moved from Proton Mail to Fastmail

1 hacker described this switch in public comments. Their words, with links to the originals.

Proton Mail 1 hacker criticizes it
→
Fastmail 6 hackers recommend it

What hackers said about the move

“I switched from Proton a couple years ago after deciding the trade offs to have encrypted email were not worth it”
danielhep, 2026-06-12original comment ↗

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Proton Mail vs Fastmail

Proton MailFastmail
Hackers who recommend06
Hackers who criticize12
Moved away from it12
Moved to it04

Counts are distinct hackers in the sampled comments, not market share.

Criticism of Proton Mail

“I DON'T WANT having to use a special gateway instead of normal IMAP to access my Proton mail.”
Foorack, 2025-12-30original comment ↗

Praise for Fastmail

“it has been fantastic. IMO it is one of the highest quality software products in the world.”
enraged_camel, 2026-10-30original comment ↗
“I use mail.app with my fastmail account and it’s perfect.”
stackghost, 2026-10-14original comment ↗
“I love Fastmail as a product, but I realised it wasn't what I wanted anymore from my email.”
danpalmer, 2026-08-18original comment ↗
“I recently switched from Gmail to Fastmail and by and large I’m happy with it.”
afavour, 2026-02-12original comment ↗
“I moved from gmail to fastmail a few years ago”
blibble, 2026-02-03original comment ↗

Other moves from Proton Mail

    Other moves to Fastmail