Posteo vs Runbox
On privacy it's Posteo. On price it's Posteo. On features it's Runbox. Here's everything side by side, last checked 22 October 2026.
Should you pick Posteo or Runbox?
- Posteo is the better pick if you want to pay less: €1 a month and to sign up without proving who you are.
- Runbox is the better pick if you want to use your own domain, like you@yourname.co.uk; 10 GB of storage; and a company with a longer track record (since 2000).
| Feature | Posteo | Runbox |
|---|---|---|
| Overall | 4.5 | 3.5 |
| Privacy | 4.5 | 3.0 |
| Price | 5.0 | 4.0 |
| Features | 3.0 | 4.5 |
| Cheapest plan | Posteo €1 a month | Mini $34.95 a year |
| Free plan | No | No (30-day trial) |
| Storage | 4 GB | 10 GB |
| Your own domain | No | ✓ Up to 5 |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | Norway |
| Your data is kept in | Germany | Norway |
| Founded | 2009 | 2000 |
| Free trial | No, €1 a month from the start | 30 days free, then a 60-day refund |
| 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) | 100 aliases |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | ✓ Yes | No |
| White label | No | No |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 22 October 2026 |
Want to add another? Open this in the compare tool.
Where they differ
- Posteo's cheapest plan is Posteo (€1 a month); Runbox's is Mini ($34.95 a year).
- For free, Posteo gives you no free plan, and Runbox no free plan.
- Posteo comes with 4 GB of storage and Runbox with 10 GB of storage.
- Your mail is stored in Germany with Posteo, and in Norway with Runbox.
- Posteo is based in Germany and Runbox in Norway, so different privacy laws apply.
- Posteo offers optional encryption (PGP or encrypted storage); Runbox doesn't encrypt mail end to end.
- Runbox lets you bring your own domain name; Posteo doesn't.
- For extra addresses, Posteo has yes (posteo.de only) and Runbox has 100 aliases.
Posteo and Runbox: your questions
Which is more private, Posteo or Runbox?
Posteo scores 4.5 out of 5 for privacy and Runbox 3. Posteo gives you to sign up without proving who you are.
Which is cheaper, Posteo or Runbox?
Posteo is cheaper. Its Posteo plan is €1 a month, against $34.95 a year for Runbox's Mini. Check the renewal price before you pay, as some first-year prices go up.
Do Posteo and Runbox work with my own domain?
Only Runbox does (Up to 5). With Posteo your address stays on its own domain.
Where do Posteo and Runbox keep my email?
Posteo keeps it in Germany. Runbox keeps it in Norway.
Recent price changes
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Posteo news · Runbox news.
Also worth a look
Posteo vs mailbox.org · Runbox vs mailbox.org · Posteo vs Proton Mail · Runbox vs Proton Mail · Posteo vs Tuta · Runbox vs Tuta
Switching between them
Ready to move? My step-by-step guides cover your mail, contacts, forwarding and your own domain: Posteo to Runbox · Runbox to Posteo.