mailbox.org vs 20i
In short: mailbox.org wins on privacy, mailbox.org wins on price, and mailbox.org wins on features. The full comparison is below, last checked 25 October 2026.
Which should you choose?
- Go for mailbox.org if you'd like more space for your mail: 20 GB; open-source apps; and to sign up without proving who you are.
| Feature | mailbox.org | 20i |
|---|---|---|
| Overall | 4.5 | Not rated |
| Privacy | 4.5 | 2.5 |
| Price | 4.0 | Not rated |
| Features | 5.0 | 4.5 |
| Cheapest plan | Standard €3 a month, yearly (from summer 2026) | Email hosting Not confirmed |
| Free plan | No (30-day trial) | No |
| Storage | 20 GB | 10 GB |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | United Kingdom |
| Your data is kept in | Germany | United Kingdom |
| Founded | 2014 | Unknown |
| Free trial | 30 days free | Unknown |
| 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 | ✓ Yes | No |
| White label | No | ✓ Yes |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- On price: mailbox.org Standard at €3 a month, yearly (from summer 2026), against 20i Email hosting at Not confirmed.
- mailbox.org has no free plan; 20i has no free plan.
- Space: mailbox.org gives 20 GB of storage, 20i 10 GB of storage.
- Your mail is stored in Germany with mailbox.org, and in the United Kingdom with 20i.
- The companies sit under different laws: mailbox.org in Germany, 20i in United Kingdom.
- On encryption, mailbox.org offers optional encryption (PGP or encrypted storage), whereas 20i doesn't encrypt mail end to end.
Questions people ask
Is mailbox.org more private than 20i?
mailbox.org scores 4.5 out of 5 for privacy and 20i 2.5. mailbox.org gives you open-source apps and to sign up without proving who you are.
Can I use my own domain with mailbox.org or 20i?
Yes, both do. mailbox.org: Yes. 20i: Yes.
Where is my email stored with mailbox.org and 20i?
mailbox.org keeps it in Germany. 20i keeps it in the United Kingdom.
Price changes and news
- 1 September 2026 mailbox.org: €3.00 (announced 15 July 2026)
- 1 June 2026 mailbox.org: €2.50
The latest headlines: mailbox.org news · 20i news.
Also worth a look
mailbox.org vs Posteo · 20i vs Posteo · mailbox.org vs Proton Mail · 20i vs Proton Mail · mailbox.org vs Tuta · 20i vs Tuta
Moving your email
Moving to mailbox.org · Moving from mailbox.org. Or see all my switching guides.