Best Secure Email Providers in 2026
Updated
In short: Aster Mail is ranked #1 of 28 as of 7 October 2026, ahead of eclipso Mail Europe and Proton Mail. The best-ranked option with a free plan is eclipso Mail Europe. The lowest first paid tier on this page is NevTan Mail at $0.17/mo.
Secure email providers can help protect private correspondence while supporting the everyday work of managing an inbox. Compared on end-to-end encryption and encrypted calendar support, the entries also show custom domains, email aliases, mailbox storage, and mail protocol support. Check free-plan availability and the paid-from price alongside those features. Aster Mail, eclipso Mail Europe, and Proton Mail are among the providers shown, as are Tuta Mail and Disroot Email. Consider how you access email, how much storage you need, and whether aliases or a custom domain matter for your setup.
28 secure email providers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
14 of the 25 here have a free tier you can use, 1 has open-source code on record, and 1 has full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | Aster MailWeb · Windows · Mac · Linux · Android · iPhone | Full bars | 6 of 6 | $2.42/mo | 8.2 | ||
| 2 | eclipso Mail EuropeWeb · Windows · Mac · Android · iPhone | Three bars | — | 5 of 6 | €1.49/mo | 6.8 | |
| 3 | Proton MailWeb · Windows · Mac · Linux · Android · iPhone | Three bars | — | 6 of 6 | Free | 6.8 | |
| 4 | Disroot EmailWeb · Windows · Mac · Linux · Android · iPhone · Extension | Three bars | — | 6 of 6 | Free | 6.7 | |
| 5 | Tuta MailWindows · Mac · Linux · Android · iPhone | Three bars | — | 5 of 6 | €3/mo | 6.7 | |
| 6 | QeyeTWeb · Windows · Linux · Android · iPhone | Three bars | — | 5 of 6 | — | 6.6 | |
| 7 | mail.deWeb · Android · iPhone | Three bars | — | 3 of 6 | €0.99/mo | 6.5 | |
| 8 | MailfenceWeb · Android · iPhone | Three bars | — | 3 of 6 | €2.50/mo | 6.5 | |
| 9 | MailoWeb · Android · iPhone | Three bars | — | 3 of 6 | €1.50/mo | 6.5 | |
| 10 | SecureMyEmailWindows · Mac · Android · iPhone | Three bars | — | 4 of 6 | Free | 6.5 | |
| 11 | NevTan MailWeb · Windows · Mac · Android · iPhone | Three bars | — | 5 of 6 | $0.17/mo | 6.3 | |
| 12 | OwnMailWeb | Two bars | — | 1 of 6 | $4.99/mo | 6.3 | |
| 13 | NeirWeb · Windows · Mac · Linux · Android · iPhone | Three bars | — | 6 of 6 | $4.99/mo | 6.2 | |
| 14 | Private.Ki MailWeb | One bar | — | 1 of 6 | $5/mo | 6.2 | |
| 15 | Private-MailWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | $8.95/mo | 5.8 |
| 16 | EPRIVOWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $0.42/mo | 5.6 |
| 17 | CounterMailWeb · Windows · Mac · Linux · Android | Two bars | — | — | 5 of 6 | $6.58/mo | 5.3 |
| 18 | CybrmailWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 5.3 |
| 19 | HushmailWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $5/mo | 5.3 |
| 20 | Kolab NowWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | CHF 5/mo | 5.3 |
| 21 | mailboxWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | €1/mo | 5.3 |
| 22 | MailopolyWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $6.99/mo | 5.2 |
| 23 | StartMailWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $4.99/mo | 5.2 |
| 24 | RunboxWeb · Android · iPhone | Two bars | — | — | 3 of 6 | €1.66/mo | 5.1 |
| 25 | PosteoWeb · Windows · Android · iPhone | One bar | — | — | 4 of 6 | — | 5.0 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | End-to-end encryption | Custom domain |
|---|---|---|---|---|---|---|---|---|
| 1 | Aster Mail | 8.2 | Free plan | $2.42/mo | Yes | 2.42 /user/mo | Yes | Yes |
| 2 | eclipso Mail Europe | 6.8 | Free plan | €1.49/mo | Yes | — | Yes | No |
| 3 | Proton Mail | 6.8 | Free plan | Free | Yes | — | Yes | Yes |
| 4 | Disroot Email | 6.7 | Free plan | Free | Yes | — | No | Yes |
| 5 | Tuta Mail | 6.7 | Free plan | €3/mo | Yes | — | Yes | Yes |
| 6 | QeyeT | 6.6 | No | — | No | — | Yes | Yes |
| 7 | mail.de | 6.5 | Free plan | €0.99/mo | Yes | — | Yes | — |
| 8 | Mailfence | 6.5 | Free plan | €2.50/mo | Yes | — | Yes | No |
| 9 | Mailo | 6.5 | Free plan | €1.50/mo | Yes | — | Yes | Yes |
| 10 | SecureMyEmail | 6.5 | Free plan | Free | Yes | — | Yes | — |
| 11 | NevTan Mail | 6.3 | Free plan | $0.17/mo | Yes | — | — | Yes |
| 12 | OwnMail | 6.3 | Free plan | $4.99/mo | Yes | — | Yes | Yes |
| 13 | Neir | 6.2 | Free plan | $4.99/mo | Yes | — | No | — |
| 14 | Private.Ki Mail | 6.2 | Free plan | $5/mo | Yes | — | Yes | — |
| 15 | Private-Mail | 5.8 | No | $8.95/mo | Yes | — | Yes | Yes |
| 16 | EPRIVO | 5.6 | No | $0.42/mo | — | 0.42 /user/mo | Yes | Yes |
| 17 | CounterMail | 5.3 | No | $6.58/mo | No | 3.29 /user/mo | Yes | Yes |
| 18 | Cybrmail | 5.3 | No | — | Yes | — | Yes | — |
| 19 | Hushmail | 5.3 | No | $5/mo | No | — | — | Yes |
| 20 | Kolab Now | 5.3 | No | CHF 5/mo | No | — | No | Yes |
| 21 | mailbox | 5.3 | No | €1/mo | No | — | Yes | Yes |
| 22 | Mailopoly | 5.2 | No | $6.99/mo | No | — | Yes | Yes |
| 23 | StartMail | 5.2 | No | $4.99/mo | No | 4.99 /user/mo | Yes | Yes |
| 24 | Runbox | 5.1 | No | €1.66/mo | No | — | Yes | Yes |
| 25 | Posteo | 5.0 | No | — | — | — | Yes | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which secure email provider is ranked first on Freedom251?
Aster Mail is ranked #1 of 28 with a score of 8.2. eclipso Mail Europe is second and Proton Mail third.
How many of these have a free plan?
13 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, NevTan Mail has the lowest first paid tier we found: $0.17/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.