Posteo vs 123 Reg
In short: Posteo wins on privacy, Posteo wins on price, and 123 Reg wins on features. The full comparison is below, last checked 25 October 2026.
Should you pick Posteo or 123 Reg?
- Posteo is the better pick if you want your mailbox stored in Germany; to pay less: €1 a month; and your diary and address book in one place with your email.
- 123 Reg is the better pick if you want an address on your own domain; 10 GB of storage; and a company with a longer track record (since 2000).
| Feature | Posteo | 123 Reg |
|---|---|---|
| Overall | 4.5 | 2.0 |
| Privacy | 4.5 | 0.5 |
| Price | 5.0 | 3.5 |
| Features | 3.0 | 3.5 |
| Cheapest plan | Posteo €1 a month | 10 GB mailbox £1.99 a mailbox a month for the first year, then £47.88 a year |
| Free plan | No | No |
| Storage | 4 GB | 10 GB |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | Optional (PGP or encrypted storage) | No |
| Company based in | Germany | United Kingdom (GoDaddy) |
| Your data is kept in | Germany | Not confirmed |
| Founded | 2009 | 2000 |
| Free trial | No, €1 a month from the start | Unknown |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes (posteo.de only) | Yes |
| Open-source apps | ✓ Yes | No |
| Sign up without ID | ✓ Yes | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How Posteo and 123 Reg differ
- Posteo's cheapest plan is Posteo (€1 a month); 123 Reg's is 10 GB mailbox (£1.99 a mailbox a month for the first year, then £47.88 a year).
- Posteo comes with 4 GB of storage and 123 Reg with 10 GB of storage.
- Your mail is stored in Germany with Posteo, and in Not confirmed with 123 Reg.
- Posteo is based in Germany and 123 Reg in the United Kingdom (GoDaddy), so different privacy laws apply.
- Posteo offers optional encryption (PGP or encrypted storage); 123 Reg doesn't encrypt mail end to end.
- 123 Reg lets you bring your own domain name; Posteo doesn't.
- For extra addresses, Posteo has yes (posteo.de only) and 123 Reg has yes.
Questions people ask
Which is more private, Posteo or 123 Reg?
Posteo scores 4.5 out of 5 for privacy and 123 Reg 0.5. Posteo gives you your mailbox stored in Germany, open-source apps and an account that doesn't need your phone number or ID.
Which is cheaper, Posteo or 123 Reg?
Posteo is cheaper. Its Posteo plan is €1 a month, against £1.99 a mailbox a month for the first year, then £47.88 a year for 123 Reg's 10 GB mailbox. Check the renewal price before you pay, as some first-year prices go up.
Do Posteo and 123 Reg work with my own domain?
Only 123 Reg does (Yes). With Posteo your address stays on its own domain.
Where do Posteo and 123 Reg keep my email?
Posteo keeps it in Germany. 123 Reg keeps it in Not confirmed.
Recent price changes
- 22 October 2026 123 Reg: £1.19 a month, when I checked
The latest headlines: Posteo news · 123 Reg news.
Also worth a look
Posteo vs mailbox.org · 123 Reg vs mailbox.org · Posteo vs Proton Mail · 123 Reg vs Proton Mail · Posteo vs Tuta · 123 Reg vs Tuta
How to switch
Moving to Posteo · Moving from Posteo. Or see all my switching guides.