Based on our analysis, Proton is the more privacy-respecting choice overall.
BACK →Overall
Fastmail
B+ · 79/100Proton
A · 88/100What they collect
Fastmail
Mixed (74)
Proton
Positive (90)
Who they share it with
Fastmail
Mixed (76)
Proton
Positive (82)
What you can do
Fastmail
Positive (82)
Proton
Positive (84)
What they promise
Fastmail
Mixed (80)
Proton
Positive (86)
| Category | Fastmail | Proton |
|---|---|---|
| Overall | B+ · 79/100 | A · 88/100 |
| What they collect | Mixed (74) | Positive (90) |
| Who they share it with | Mixed (76) | Positive (82) |
| What you can do | Positive (82) | Positive (84) |
| What they promise | Mixed (80) | Positive (86) |
Fastmail is a paid email provider that doesn't sell your data or serve ads, has clear retention periods and a transparency report — but unlike Proton, staff can technically access your emails, data moves through US and Indian infrastructure, and IP logs are kept for a year.
View full analysis →Proton collects as little as technically possible, can't read your encrypted content even if asked, is governed by strict Swiss law, and gives you real control — the rare case where the privacy policy matches the privacy pitch.
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