Posteo vs Kolab Now
On privacy it's Posteo. On price it's Posteo. On features it's Kolab Now. Here's everything side by side, last checked 25 October 2026.
Posteo or Kolab Now: which should you choose?
- Go for Posteo if you'd like the lower price (€1 a month) and to sign up without proving who you are.
- Kolab Now suits you best if you want an address on your own domain and more room (5 GB, against 4 GB).
| Feature | Posteo | Kolab Now |
|---|---|---|
| Overall | 4.5 | 3.5 |
| Privacy | 4.5 | 3.0 |
| Price | 5.0 | 3.0 |
| Features | 3.0 | 4.5 |
| Cheapest plan | Posteo €1 a month | Mailbox CHF 5 a month |
| Free plan | No | No |
| Storage | 4 GB | 5 GB |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | Switzerland |
| Your data is kept in | Germany | Switzerland |
| Founded | 2009 | 2013 |
| Free trial | No, €1 a month from the start | Unknown |
| 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 | ✓ Yes |
| Sign up without ID | ✓ Yes | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
Where they differ
- Cheapest plans: Posteo Posteo, €1 a month. Kolab Now Mailbox, CHF 5 a month.
- Space: Posteo gives 4 GB of storage, Kolab Now 5 GB of storage.
- Data location: Germany for Posteo, Switzerland for Kolab Now.
- The companies sit under different laws: Posteo in Germany, Kolab Now in Switzerland.
- On encryption, Posteo offers optional encryption (PGP or encrypted storage), whereas Kolab Now doesn't encrypt mail end to end.
- You can use your own domain with Kolab Now, but not with Posteo.
- Aliases: Posteo offers yes (posteo.de only), Kolab Now yes.
Questions people ask
Is Posteo more private than Kolab Now?
Posteo scores 4.5 out of 5 for privacy and Kolab Now 3. Posteo gives you to sign up without proving who you are.
Is Posteo cheaper than Kolab Now?
Posteo is cheaper. Its Posteo plan is €1 a month, against CHF 5 a month for Kolab Now's Mailbox. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Posteo or Kolab Now?
Only Kolab Now does (Yes). With Posteo your address stays on its own domain.
Where is my email stored with Posteo and Kolab Now?
Posteo keeps it in Germany. Kolab Now keeps it in Switzerland.
Prices and the latest news
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Posteo news · Kolab Now news.
Also worth a look
Posteo vs mailbox.org · Kolab Now vs mailbox.org · Posteo vs Proton Mail · Kolab Now vs Proton Mail · Posteo vs Tuta · Kolab Now vs Tuta
How to switch
Moving to Posteo · Moving from Posteo. Or see all my switching guides.