GMX vs Stalwart
On privacy it's GMX. On price it's GMX. On features it's GMX. Here's everything side by side, last checked 25 October 2026.
Which should you choose?
- GMX suits you best if you want your email to stay in Germany (European data centres) and a provider that's been going since 1997.
- Stalwart is the better pick if you want email from a company that doesn't make money from adverts; to use your own domain, like you@yourname.co.uk; and open-source apps.
| Feature | GMX | Stalwart |
|---|---|---|
| Overall | 3.5 | Not rated |
| Privacy | 2.0 | Not rated |
| Price | 5.0 | Not rated |
| Features | 4.0 | Not rated |
| Cheapest plan | Free Free (paid plans only for German and Austrian residents) | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | Yes, with adverts | Yes, open source |
| Storage | 65 GB | Not confirmed |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany (European data centres) | Your own server |
| Founded | 1997 | 2019 |
| Free trial | Free | Free to download |
| Funded by advertising | Yes, or its parent company is | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Up to 10 addresses | Yes |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How GMX and Stalwart differ
- On price: GMX Free at Free (paid plans only for German and Austrian residents), against Stalwart Community at Free (Enterprise from €2 per mailbox a year).
- For free, GMX gives you a free plan (with adverts), and Stalwart a free plan (open source).
- GMX comes with 65 GB of storage and Stalwart with storage not confirmed.
- Data location: Germany (European data centres) for GMX, Your own server for Stalwart.
- GMX is based in Germany and Stalwart in the United Kingdom, so different privacy laws apply.
- Stalwart lets you bring your own domain name; GMX doesn't.
- Only GMX is part of an advertising business.
- For extra addresses, GMX has up to 10 addresses and Stalwart has yes.
GMX and Stalwart: your questions
Do GMX and Stalwart work with my own domain?
Only Stalwart does (Yes). With GMX your address stays on its own domain.
Where do GMX and Stalwart keep my email?
GMX keeps it in Germany (European data centres). Stalwart keeps it in Your own server.
Recent price changes
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: GMX news · Stalwart news.
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Switching between them
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.