Rackspace Email vs Stalwart
On privacy it's Rackspace Email. On price it's Rackspace Email. On features it's Rackspace Email. Here's everything side by side, last checked 25 October 2026.
Rackspace Email or Stalwart: which should you choose?
- Rackspace Email is the better pick if you want a provider that's been going since 1998.
- Choose Stalwart if you want a free plan to start on and open-source apps.
| Feature | Rackspace Email | Stalwart |
|---|---|---|
| Overall | 2.0 | Not rated |
| Privacy | 0.5 | Not rated |
| Price | 2.0 | Not rated |
| Features | 5.0 | Not rated |
| Cheapest plan | Rackspace Email $10 per mailbox a month (from March 2026) | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | No | Yes, open source |
| Storage | 25 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United States | United Kingdom |
| Your data is kept in | United States and UK | Your own server |
| Founded | 1998 | 2019 |
| Free trial | 14 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 | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | ✓ Yes | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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The key differences
- Rackspace Email's cheapest plan is Rackspace Email ($10 per mailbox a month (from March 2026)); Stalwart's is Community (Free (Enterprise from €2 per mailbox a year)).
- Rackspace Email has no free plan; Stalwart has a free plan (open source).
- Space: Rackspace Email gives 25 GB of storage, Stalwart storage not confirmed.
- Data location: United States and UK for Rackspace Email, Your own server for Stalwart.
- The companies sit under different laws: Rackspace Email in United States, Stalwart in United Kingdom.
Questions people ask
Can I use my own domain with Rackspace Email or Stalwart?
Yes, both do. Rackspace Email: Yes. Stalwart: Yes.
Where is my email stored with Rackspace Email and Stalwart?
Rackspace Email keeps it in the United States and UK. Stalwart keeps it in Your own server.
Prices and the latest news
- 1 March 2026 Rackspace Email: $10 (March 2026 rise)
- 1 January 2026 Rackspace Email: $3
The latest headlines: Rackspace Email news · Stalwart news.
Alternatives to Rackspace Email and Stalwart
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
Rackspace Email vs mailbox.org · Stalwart vs mailbox.org · Rackspace Email vs Proton Mail for Business · Stalwart vs Proton Mail for Business · Rackspace Email vs Tuta Business · Stalwart vs Tuta Business
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.