Mail-in-a-Box vs 34SP.com
On privacy it's 34SP.com. On price it's 34SP.com. On features it's 34SP.com. Here's everything side by side, last checked 25 October 2026.
Should you pick Mail-in-a-Box or 34SP.com?
- Mail-in-a-Box suits you best if you want a free plan before you pay anything; your diary and address book in one place with your email; and apps whose code is public.
- 34SP.com suits you best if you want your mail kept in the United Kingdom.
| Feature | Mail-in-a-Box | 34SP.com |
|---|---|---|
| Overall | Not rated | 2.5 |
| Privacy | Not rated | 2.5 |
| Price | Not rated | 2.0 |
| Features | Not rated | 3.5 |
| Cheapest plan | Open source Free | Professional hosting £7.95 a month, with web hosting |
| Free plan | Yes, open source | No |
| Storage | Not confirmed | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United States | United Kingdom |
| Your data is kept in | Your own server | United Kingdom |
| Founded | 2013 | Unknown |
| Free trial | Free to download | Rolling 30-day money-back guarantee |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes | Yes |
| Open-source apps | ✓ Yes | No |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
Where they differ
- Mail-in-a-Box's cheapest plan is Open source (Free); 34SP.com's is Professional hosting (£7.95 a month, with web hosting).
- For free, Mail-in-a-Box gives you a free plan (open source), and 34SP.com no free plan.
- Mail-in-a-Box keeps your mail in Your own server, while 34SP.com keeps it in the United Kingdom.
- Mail-in-a-Box is based in the United States and 34SP.com in the United Kingdom, so different privacy laws apply.
Questions people ask
Do Mail-in-a-Box and 34SP.com work with my own domain?
Yes, both do. Mail-in-a-Box: Yes. 34SP.com: Yes.
Where do Mail-in-a-Box and 34SP.com keep my email?
Mail-in-a-Box keeps it in Your own server. 34SP.com keeps it in the United Kingdom.
Price changes and news
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: Mail-in-a-Box news · 34SP.com news.
Alternatives to Mail-in-a-Box and 34SP.com
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
Mail-in-a-Box vs mailbox.org · 34SP.com vs mailbox.org · Mail-in-a-Box vs Proton Mail for Business · 34SP.com vs Proton Mail for Business · Mail-in-a-Box vs Tuta Business · 34SP.com vs Tuta Business
Moving your email
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.