Stalwart vs Paubox
On privacy it's Paubox. On price it's Paubox. On features it's Paubox. Here's everything side by side, last checked 25 October 2026.
Should you pick Stalwart or Paubox?
- Choose Stalwart if you want a free plan before you pay anything; your diary and address book in one place with your email; and open-source apps.
| Feature | Stalwart | Paubox |
|---|---|---|
| Overall | Not rated | 2.0 |
| Privacy | Not rated | 1.5 |
| Price | Not rated | 2.0 |
| Features | Not rated | 3.5 |
| Cheapest plan | Community Free (Enterprise from €2 per mailbox a year) | Standard $32 a month for up to 5 users |
| Free plan | Yes, open source | No |
| Storage | Not confirmed | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | Optional (PGP or encrypted storage) |
| Company based in | United Kingdom | United States |
| Your data is kept in | Your own server | United States (US data centres only) |
| Founded | 2019 | Unknown |
| Free trial | Free to download | 14 days free |
| 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 | No |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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How Stalwart and Paubox differ
- Stalwart's cheapest plan is Community (Free (Enterprise from €2 per mailbox a year)); Paubox's is Standard ($32 a month for up to 5 users).
- Stalwart has a free plan (open source); Paubox has no free plan.
- Stalwart keeps your mail in Your own server, while Paubox keeps it in the United States (US data centres only).
- The companies sit under different laws: Stalwart in United Kingdom, Paubox in United States.
- On encryption, Stalwart doesn't encrypt mail end to end, whereas Paubox offers optional encryption (PGP or encrypted storage).
Stalwart and Paubox: your questions
Can I use my own domain with Stalwart or Paubox?
Yes, both do. Stalwart: Yes. Paubox: Yes.
Where is my email stored with Stalwart and Paubox?
Stalwart keeps it in Your own server. Paubox keeps it in the United States (US data centres only).
Prices and the latest news
I haven't seen either change its price since I started checking on 25 October 2026.
The latest headlines: Stalwart news · Paubox news.
Not sold on either? Try these
- mailbox.org4.5 out of 5 overall
- Tuta Business4.0 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
Stalwart vs mailbox.org · Paubox vs mailbox.org · Stalwart vs Tuta Business · Paubox vs Tuta Business · Stalwart vs Proton Mail for Business · Paubox vs Proton Mail for Business
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.