Posteo vs Krystal
On privacy it's Posteo. On price it's Posteo. On features it's Krystal. Here's everything side by side, last checked 25 October 2026.
Should you pick Posteo or Krystal?
- Posteo is the better pick if you want open-source apps anyone can check and to sign up without proving who you are.
- Krystal suits you best if you want email at your own domain name and a provider that's been going since 2002.
| Feature | Posteo | Krystal |
|---|---|---|
| Overall | 4.5 | Not rated |
| Privacy | 4.5 | 2.5 |
| Price | 5.0 | Not rated |
| Features | 3.0 | 4.5 |
| Cheapest plan | Posteo €1 a month | Email hosting Not confirmed |
| Free plan | No | No |
| Storage | 4 GB | Not confirmed |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany | United Kingdom |
| Founded | 2009 | 2002 |
| Free trial | No, €1 a month from the start | 60-day money-back guarantee |
| 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 | 25 October 2026 |
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How Posteo and Krystal differ
- Cheapest plans: Posteo Posteo, €1 a month. Krystal Email hosting, Not confirmed.
- Posteo comes with 4 GB of storage and Krystal with storage not confirmed.
- Data location: Germany for Posteo, United Kingdom for Krystal.
- Posteo is based in Germany and Krystal in the United Kingdom, so different privacy laws apply.
- Posteo offers optional encryption (PGP or encrypted storage); Krystal doesn't encrypt mail end to end.
- Krystal lets you bring your own domain name; Posteo doesn't.
- For extra addresses, Posteo has yes (posteo.de only) and Krystal has yes.
Questions people ask
Which is more private, Posteo or Krystal?
Posteo scores 4.5 out of 5 for privacy and Krystal 2.5. Posteo gives you open-source apps anyone can check and to sign up without proving who you are.
Do Posteo and Krystal work with my own domain?
Only Krystal does (Yes). With Posteo your address stays on its own domain.
Where do Posteo and Krystal keep my email?
Posteo keeps it in Germany. Krystal keeps it in the United Kingdom.
Recent price changes
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Posteo news · Krystal news.
Alternatives to Posteo and Krystal
Posteo vs mailbox.org · Krystal vs mailbox.org · Posteo vs Proton Mail · Krystal vs Proton Mail · Posteo vs Tuta · Krystal vs Tuta
Switching between them
Moving to Posteo · Moving from Posteo. Or see all my switching guides.