mailbox.org vs Stalwart
Mailbox.org wins on privacy, mailbox.org wins on price and mailbox.org wins on features. Every fact below was checked on or before 25 October 2026.
Should you pick mailbox.org or Stalwart?
- mailbox.org suits you best if you want your email to stay in Germany; an account that doesn't need your phone number or ID; and a provider that's been going since 2014.
- Stalwart is the better pick if you want a free plan to start on.
| Feature | mailbox.org | Stalwart |
|---|---|---|
| Overall | 4.5 | Not rated |
| Privacy | 4.5 | Not rated |
| Price | 4.0 | Not rated |
| Features | 5.0 | Not rated |
| Cheapest plan | Standard €3 a month, yearly (from summer 2026) | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | No (30-day trial) | Yes, open source |
| Storage | 20 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany | Your own server |
| Founded | 2014 | 2019 |
| Free trial | 30 days free | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | 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: mailbox.org Standard, €3 a month, yearly (from summer 2026). Stalwart Community, Free (Enterprise from €2 per mailbox a year).
- For free, mailbox.org gives you no free plan, and Stalwart a free plan (open source).
- mailbox.org comes with 20 GB of storage and Stalwart with storage not confirmed.
- Data location: Germany for mailbox.org, Your own server for Stalwart.
- mailbox.org is based in Germany and Stalwart in the United Kingdom, so different privacy laws apply.
- mailbox.org offers optional encryption (PGP or encrypted storage); Stalwart doesn't encrypt mail end to end.
Common questions
Do mailbox.org and Stalwart work with my own domain?
Yes, both do. mailbox.org: Yes. Stalwart: Yes.
Where do mailbox.org and Stalwart keep my email?
mailbox.org keeps it in Germany. Stalwart keeps it in Your own server.
Prices and the latest news
- 1 September 2026 mailbox.org: €3.00 (announced 15 July 2026)
- 1 June 2026 mailbox.org: €2.50
The latest headlines: mailbox.org news · Stalwart news.
Not sold on either? Try these
mailbox.org vs Posteo · Stalwart vs Posteo · mailbox.org vs Proton Mail · Stalwart vs Proton Mail · mailbox.org vs Tuta · Stalwart vs Tuta
Switching between them
Moving to mailbox.org · Moving from mailbox.org. Or see all my switching guides.