[Compare · Email-First Hosting]

Posteo vs Proton Mail

PosteoIndie
8.5/ 10
Higher score
Proton MailIndie
9.0/ 10
Across 4 measured dimensions: Posteo wins 1, Proton Mail wins 1 (2 tie / n/a)
[01]

Side by side.

8 dimensions
MetricPosteoProton Mail
Score
Winner: right
8.59.0
Δ 90 days
— flat— flat
Parent & badge
IndependentIndie
IndependentIndie
Founded
20092014
Best for
privacy-first email without the fluffprivacy junkies who want real encryption
Price per mo
Winner: left
$1.10/ mo$3.99/ mo
Renewal multiplier
Tagline
€1/month ethical mail — no custom domain, everSwiss end-to-end encrypted mail, free tier is real
[02]

What works, what doesn't.

Per provider
Posteo4 pros · 4 cons
+ Pros
  • Flat €1/month, all included
  • Accepts anonymous cash payment
  • Runs on 100% renewable energy
  • Strong privacy stance with PGP-in-browser
– Cons
  • No custom domain support, ever
  • Must use @posteo.* address
  • Extra storage costs more
  • No mobile app, needs IMAP client
Proton Mail5 pros · 4 cons
+ Pros
  • Real end-to-end encryption
  • Swiss jurisdiction for privacy
  • Usable free tier, 1GB storage
  • Custom domains on paid plan
  • Independent, not corporate-owned
– Cons
  • IMAP needs Proton Bridge app
  • Full E2E only with Proton users
  • Slow search on encrypted mail
  • Pricey compared to Migadu/Posteo
Make the call

Pick one and go.

Both links are affiliate. Score doesn't move because of it.