Posteo vs Maddy
Posteo wins on privacy, Posteo wins on price and Posteo wins on features. Every fact below was checked on or before 25 October 2026.
Posteo or Maddy: which should you choose?
- Go for Posteo if you'd like your mail kept in Germany; your diary and address book in one place with your email; and to sign up without proving who you are.
- Maddy suits you best if you want a free plan before you pay anything and an address on your own domain.
| Feature | Posteo | Maddy |
|---|---|---|
| Overall | 4.5 | Not rated |
| Privacy | 4.5 | Not rated |
| Price | 5.0 | Not rated |
| Features | 3.0 | Not rated |
| Cheapest plan | Posteo €1 a month | Open source Free |
| Free plan | No | Yes, open source |
| Storage | 4 GB | Not confirmed |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | Not confirmed |
| Your data is kept in | Germany | Your own server |
| Founded | 2009 | Unknown |
| Free trial | No, €1 a month from the start | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | No |
| 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 |
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Where they differ
- Posteo's cheapest plan is Posteo (€1 a month); Maddy's is Open source (Free).
- Posteo has no free plan; Maddy has a free plan (open source).
- Space: Posteo gives 4 GB of storage, Maddy storage not confirmed.
- Posteo keeps your mail in Germany, while Maddy keeps it in Your own server.
- The companies sit under different laws: Posteo in Germany, Maddy in Not confirmed.
- On encryption, Posteo offers optional encryption (PGP or encrypted storage), whereas Maddy doesn't encrypt mail end to end.
- You can use your own domain with Maddy, but not with Posteo.
- Aliases: Posteo offers yes (posteo.de only), Maddy yes.
Posteo and Maddy: your questions
Can I use my own domain with Posteo or Maddy?
Only Maddy does (Yes). With Posteo your address stays on its own domain.
Where is my email stored with Posteo and Maddy?
Posteo keeps it in Germany. Maddy keeps it in Your own server.
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 · Maddy news.
Alternatives to Posteo and Maddy
Posteo vs Proton Mail · Maddy vs Proton Mail · Posteo vs mailbox.org · Maddy vs mailbox.org · Posteo vs Tuta · Maddy vs Tuta
Switching between them
Moving to Posteo · Moving from Posteo. Or see all my switching guides.