123 Reg vs mailcow
In short: 123 Reg wins on privacy, 123 Reg wins on price, and 123 Reg wins on features. The full comparison is below, last checked 25 October 2026.
Should you pick 123 Reg or mailcow?
- mailcow suits you best if you want a free plan before you pay anything; calendar and contacts in the same account; and apps whose code is public.
| Feature | 123 Reg | mailcow |
|---|---|---|
| Overall | 2.0 | Not rated |
| Privacy | 0.5 | Not rated |
| Price | 3.5 | Not rated |
| Features | 3.5 | Not rated |
| Cheapest plan | 10 GB mailbox £1.99 a mailbox a month for the first year, then £47.88 a year | 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 (GoDaddy) | Germany |
| Your data is kept in | Not confirmed | Your own server |
| Founded | 2000 | 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 | No | ✓ Yes |
| Aliases | Yes | 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 |
Want to add another? Open this in the compare tool.
How 123 Reg and mailcow differ
- On price: 123 Reg 10 GB mailbox at £1.99 a mailbox a month for the first year, then £47.88 a year, against mailcow Open source at Free.
- For free, 123 Reg gives you no free plan, and mailcow a free plan (open source).
- 123 Reg comes with 10 GB of storage and mailcow with storage not confirmed.
- 123 Reg keeps your mail in Not confirmed, while mailcow keeps it in Your own server.
- 123 Reg is based in the United Kingdom (GoDaddy) and mailcow in Germany, so different privacy laws apply.
123 Reg and mailcow: your questions
Do 123 Reg and mailcow work with my own domain?
Yes, both do. 123 Reg: Yes. mailcow: Yes.
Where do 123 Reg and mailcow keep my email?
123 Reg keeps it in Not confirmed. mailcow keeps it in Your own server.
Prices and the latest news
- 22 October 2026 123 Reg: £1.19 a month, when I checked
The latest headlines: 123 Reg news · mailcow news.
Alternatives to 123 Reg and mailcow
- mailbox.org4.5 out of 5 overall
- Tuta Business4.0 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
123 Reg vs mailbox.org · mailcow vs mailbox.org · 123 Reg vs Tuta Business · mailcow vs Tuta Business · 123 Reg vs Proton Mail for Business · mailcow vs Proton Mail for Business
How to switch
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.