Mailfence: verified facts and rating
Checked 2026-11-03
Score breakdown
73% backed by facts · How we rank
Mailfence strengths and weaknesses
Pros
- End-to-end encryption is built in
- You can use your own domain ([email protected])
- Free plan available
- Works with standard mail apps via IMAP/SMTP
Cons
- Little mail storage on the cheapest plan
- No hardware security key sign-in
All facts
| Fact | Value | Source | Checked |
|---|---|---|---|
| Built-in end-to-end encryption | Yes True OpenPGP end-to-end encryption on a secured infrastructure. | mailfence.com | 2026-11-03 |
| Independent audit or security certification | Not verified | — | |
| Open source apps | Not verified | — | |
| Hardware key sign-in (FIDO2/U2F/YubiKey) | No This feature requires that you first install an app on your smartphone or tablet. | mailfence.com | 2026-11-03 |
| Cheapest paid plan per month (monthly billing) | Not verified | — | |
| Free plan | Yes Start with the free plan If you need more, upgrade. | mailfence.com | 2026-11-03 |
| Mail storage on the free plan (GB) | 0.5 500 MB emails | mailfence.com | 2026-11-03 |
| Your own domain | Yes 2 custom email domains | mailfence.com | 2026-11-03 |
| Mail storage on the cheapest paid plan (GB) | 5 500 MB emails 5 GB emails 10 Alias | mailfence.com | 2026-11-03 |
| IMAP/SMTP access | Yes POP, IMAP, SMTP, App iOS/Android, ActiveSync, PWA | mailfence.com | 2026-11-03 |
| Aliases and extra addresses | Yes 5 GB emails 10 Alias | mailfence.com | 2026-11-03 |
| Founded | 1999 We launched the company in 1999 and are among the pioneers of cloud software in Europe. | kb.mailfence.com | 2026-11-03 |
| Transparency report | Yes Transparency Report and Warrant Canary | blog.mailfence.com | 2026-11-03 |
| Company headquarters | Belgium Avenue Franklin Roosevelt 47b - 1050 Brussels - Belgium - Europe | kb.mailfence.com | 2026-11-03 |
| Where mail is stored | Belgium Our servers are located in Belgium (Europe) and we have full control over them. | mailfence.com | 2026-11-03 |
| Company | ContactOffice Group sa Mailfence is a service operated by ContactOffice Group sa | kb.mailfence.com | 2026-11-03 |
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