Posteo vs STRATO Mail
Posteo wins on privacy, Posteo wins on price and STRATO Mail wins on features. Every fact below was checked on or before 22 October 2026.
Should you pick Posteo or STRATO Mail?
- Choose Posteo if you want the lower price (€1 a month); more room (4 GB, against 2 GB); and open-source apps anyone can check.
- STRATO Mail suits you best if you want to use your own domain, like you@yourname.co.uk.
| Feature | Posteo | STRATO Mail |
|---|---|---|
| Overall | 4.5 | 3.5 |
| Privacy | 4.5 | 2.5 |
| Price | 5.0 | 4.0 |
| Features | 3.0 | 4.0 |
| Cheapest plan | Posteo €1 a month | Mail Basic €3 a month |
| Free plan | No | No |
| Storage | 4 GB | 2 GB |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | Germany |
| Your data is kept in | Germany | Germany |
| Founded | 2009 | Unknown |
| Free trial | No, €1 a month from the start | 1 month free |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes (posteo.de only) | Yes |
| Open-source apps | ✓ Yes | No |
| Sign up without ID | ✓ Yes | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 22 October 2026 |
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The key differences
- Cheapest plans: Posteo Posteo, €1 a month. STRATO Mail Mail Basic, €3 a month.
- Space: Posteo gives 4 GB of storage, STRATO Mail 2 GB of storage.
- On encryption, Posteo offers optional encryption (PGP or encrypted storage), whereas STRATO Mail doesn't encrypt mail end to end.
- You can use your own domain with STRATO Mail, but not with Posteo.
- Aliases: Posteo offers yes (posteo.de only), STRATO Mail yes.
Common questions
Is Posteo more private than STRATO Mail?
Posteo scores 4.5 out of 5 for privacy and STRATO Mail 2.5. Posteo gives you open-source apps anyone can check and to sign up without proving who you are.
Is Posteo cheaper than STRATO Mail?
Posteo is cheaper. Its Posteo plan is €1 a month, against €3 a month for STRATO Mail's Mail Basic. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Posteo or STRATO Mail?
Only STRATO Mail does (Yes). With Posteo your address stays on its own domain.
Where is my email stored with Posteo and STRATO Mail?
Both keep it in Germany.
Price changes and news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Posteo news · STRATO Mail news.
Alternatives to Posteo and STRATO Mail
Posteo vs mailbox.org · STRATO Mail vs mailbox.org · Posteo vs Proton Mail · STRATO Mail vs Proton Mail · Posteo vs Tuta · STRATO Mail vs Tuta
Moving your email
Moving to Posteo · Moving from Posteo. Or see all my switching guides.