33Mail vs Modoboa
In short: 33Mail wins on privacy, 33Mail wins on price, and they tie on features. The full comparison is below, last checked 25 October 2026.
33Mail or Modoboa: which should you choose?
- Go for Modoboa if you'd like to read your mail in any app, such as Apple Mail, Outlook or Thunderbird; a calendar and contacts alongside your mail; and open-source apps.
| Feature | 33Mail | Modoboa |
|---|---|---|
| Overall | 2.0 | Not rated |
| Privacy | 0.5 | Not rated |
| Price | 5.0 | Not rated |
| Features | Not rated | Not rated |
| Cheapest plan | Premium $1 a month | Open source Free |
| Free plan | Yes, unlimited aliases | Yes, open source |
| Storage | Forwards only | Not confirmed |
| Your own domain | ✓ On Premium | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Not confirmed | France |
| Your data is kept in | Not confirmed | Your own server |
| Founded | Unknown | Unknown |
| Free trial | Free plan | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | No, its own apps only | ✓ IMAP and SMTP |
| Calendar and contacts | No | ✓ Yes |
| Aliases | Unlimited aliases | Yes |
| Open-source apps | No | ✓ Yes |
| 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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Where they differ
- 33Mail's cheapest plan is Premium ($1 a month); Modoboa's is Open source (Free).
- For free, 33Mail gives you a free plan (unlimited aliases), and Modoboa a free plan (open source).
- 33Mail comes with no storage, as it forwards mail on and Modoboa with storage not confirmed.
- Your mail is stored in Not confirmed with 33Mail, and in Your own server with Modoboa.
- 33Mail is based in Not confirmed and Modoboa in France, so different privacy laws apply.
- 33Mail only works in its own apps, and Modoboa works in any mail app over IMAP.
- For extra addresses, 33Mail has unlimited aliases and Modoboa has yes.
Questions people ask
Do 33Mail and Modoboa work with my own domain?
Yes, both do. 33Mail: On Premium. Modoboa: Yes.
Where do 33Mail and Modoboa keep my email?
33Mail keeps it in Not confirmed. Modoboa keeps it in Your own server.
Do 33Mail and Modoboa work in other mail apps?
33Mail only works in its own apps. Modoboa works in any mail app over IMAP.
Recent price changes
Neither price has changed since my first check on 25 October 2026.
The latest headlines: 33Mail news · Modoboa news.
Also worth a look
33Mail vs addy.io · Modoboa vs addy.io · 33Mail vs SimpleLogin · Modoboa vs SimpleLogin · 33Mail vs TrashMail.com · Modoboa vs TrashMail.com
How to switch
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.