20i vs mailcow
On privacy it's 20i. On price it's a tie. On features it's 20i. Here's everything side by side, last checked 25 October 2026.
Should you pick 20i or mailcow?
- 20i is the better pick if you want your mailbox stored in the United Kingdom.
- Choose mailcow if you want a free plan before you pay anything and open-source apps anyone can check.
| Feature | 20i | mailcow |
|---|---|---|
| Overall | Not rated | Not rated |
| Privacy | 2.5 | Not rated |
| Price | Not rated | Not rated |
| Features | 4.5 | Not rated |
| Cheapest plan | Email hosting Not confirmed | Open source Free |
| Free plan | No | Yes, open source |
| Storage | 10 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | Germany |
| Your data is kept in | United Kingdom | Your own server |
| Founded | Unknown | Unknown |
| Free trial | Unknown | 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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How 20i and mailcow differ
- On price: 20i Email hosting at Not confirmed, against mailcow Open source at Free.
- 20i has no free plan; mailcow has a free plan (open source).
- Space: 20i gives 10 GB of storage, mailcow storage not confirmed.
- Your mail is stored in the United Kingdom with 20i, and in Your own server with mailcow.
- The companies sit under different laws: 20i in United Kingdom, mailcow in Germany.
Common questions
Can I use my own domain with 20i or mailcow?
Yes, both do. 20i: Yes. mailcow: Yes.
Where is my email stored with 20i and mailcow?
20i keeps it in the United Kingdom. mailcow keeps it in Your own server.
Recent price changes
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: 20i news · mailcow news.
Also worth a look
- mailbox.org4.5 out of 5 overall
- Tuta Business4.0 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
20i vs mailbox.org · mailcow vs mailbox.org · 20i vs Tuta Business · mailcow vs Tuta Business · 20i vs Proton Mail for Business · mailcow vs Proton Mail for Business
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.