Stalwart vs STRATO Mail
In short: STRATO Mail wins on privacy, STRATO Mail wins on price, and STRATO Mail wins on features. The full comparison is below, last checked 25 October 2026.
Stalwart or STRATO Mail: which should you choose?
- Choose Stalwart if you want a free plan to start on and apps whose code is public.
- STRATO Mail is the better pick if you want your mailbox stored in Germany.
| Feature | Stalwart | STRATO Mail |
|---|---|---|
| Overall | Not rated | 3.5 |
| Privacy | Not rated | 2.5 |
| Price | Not rated | 4.0 |
| Features | Not rated | 4.0 |
| Cheapest plan | Community Free (Enterprise from €2 per mailbox a year) | Mail Basic €3 a month |
| Free plan | Yes, open source | No |
| Storage | Not confirmed | 2 GB |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | Germany |
| Your data is kept in | Your own server | Germany |
| Founded | 2019 | Unknown |
| Free trial | Free to download | 1 month free |
| 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 | No |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 22 October 2026 |
Want to add another? Open this in the compare tool.
Where they differ
- On price: Stalwart Community at Free (Enterprise from €2 per mailbox a year), against STRATO Mail Mail Basic at €3 a month.
- Stalwart has a free plan (open source); STRATO Mail has no free plan.
- Space: Stalwart gives storage not confirmed, STRATO Mail 2 GB of storage.
- Your mail is stored in Your own server with Stalwart, and in Germany with STRATO Mail.
- The companies sit under different laws: Stalwart in United Kingdom, STRATO Mail in Germany.
Common questions
Can I use my own domain with Stalwart or STRATO Mail?
Yes, both do. Stalwart: Yes. STRATO Mail: Yes.
Where is my email stored with Stalwart and STRATO Mail?
Stalwart keeps it in Your own server. STRATO Mail keeps it in Germany.
Price changes and news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Stalwart news · STRATO Mail news.
Also worth a look
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
Stalwart vs mailbox.org · STRATO Mail vs mailbox.org · Stalwart vs Proton Mail for Business · STRATO Mail vs Proton Mail for Business · Stalwart vs Tuta Business · STRATO Mail vs Tuta Business
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.