Stalwart vs Mox
On privacy it's a tie. On price it's a tie. On features it's a tie. Here's everything side by side, last checked 25 October 2026.
Should you pick Stalwart or Mox?
- Stalwart suits you best if you want calendar and contacts in the same account.
| Feature | Stalwart | Mox |
|---|---|---|
| Overall | Not rated | Not rated |
| Privacy | Not rated | Not rated |
| Price | Not rated | Not rated |
| Features | Not rated | Not rated |
| Cheapest plan | Community Free (Enterprise from €2 per mailbox a year) | Open source Free |
| Free plan | Yes, open source | Yes, open source |
| Storage | Not confirmed | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | Netherlands |
| Your data is kept in | Your own server | Your own server |
| Founded | 2019 | Unknown |
| Free trial | Free to download | 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 | Yes |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How Stalwart and Mox differ
- On price: Stalwart Community at Free (Enterprise from €2 per mailbox a year), against Mox Open source at Free.
- Stalwart is based in the United Kingdom and Mox in the Netherlands, so different privacy laws apply.
Questions people ask
Do Stalwart and Mox work with my own domain?
Yes, both do. Stalwart: Yes. Mox: Yes.
Where do Stalwart and Mox keep my email?
Both keep it in Your own server.
Prices and the latest news
Neither price has changed since my first check on 25 October 2026.
The latest headlines: Stalwart news · Mox news.
How to switch
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.