Best Secure Email Providers in 2026
Updated
In short: Aster Mail is ranked #1 of 28 as of 7 October 2026, ahead of Proton Mail and eclipso Mail Europe. The best-ranked option with a free plan is Proton Mail. The lowest first paid tier on this page is NevTan Mail at $0.17/mo.
Choosing a secure email provider involves checking privacy features alongside the account details your inbox depends on. Compared on end-to-end encryption and encrypted calendar support, providers can also be assessed by custom-domain options, aliases, mailbox storage and mail protocol support. Free-plan availability and paid-from pricing help you compare account choices. Aster Mail, Proton Mail and eclipso Mail Europe are among the providers shown. Consider how much storage you need, whether you use a custom domain or aliases, and whether your existing setup depends on particular mail protocols; those needs can help make sense of the listed differences.
28 secure email providers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
28ranked
13free plans on this page
$0.17/molowest paid tier
7 Oct 2026last checked
Input list Secure Email Providers 25 channels on this page · 118 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromEnd-to-end encryptionCustom domainMailbox storageEmail aliasesEncrypted calendarMail protocol support Spec sheet Score
01 Aster Mail Free planYesPaid from2.42/user/moEnd-to-end encryptionYesCustom domainYesMailbox storage50 GBEmail aliases15 aliasesEncrypted calendarNoMail protocol supportbridge 8/8spec lines stated 7.9
02 Proton Mail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage15 GBEmail aliases10 aliasesEncrypted calendarYesMail protocol supportbridge 7/8spec lines stated 7.9
03 eclipso Mail Europe Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainNoMailbox storage10 GBEmail aliases10 aliasesEncrypted calendarnot statedMail protocol supportimap smtp 6/8spec lines stated 7.8
04 Disroot Email Free planYesPaid fromnot statedEnd-to-end encryptionNoCustom domainYesMailbox storagenot statedEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 3/8spec lines stated 7.7
05 Tuta Mail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage20 GBEmail aliases15 aliasesEncrypted calendarYesMail protocol supportnot stated 6/8spec lines stated 7.7
06 CounterMail Free planNoPaid from3.29/user/moEnd-to-end encryptionYesCustom domainYesMailbox storage4 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 5/8spec lines stated 7.5
07 Private-Mail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage10 GBEmail aliases5 aliasesEncrypted calendarnot statedMail protocol supportnot stated 5/8spec lines stated 7.4
08 Hushmail Free planNoPaid fromnot statedEnd-to-end encryptionnot statedCustom domainYesMailbox storage15 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 4/8spec lines stated 7.3
09 Mailo Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage20 GBEmail aliases100 aliasesEncrypted calendarnot statedMail protocol supportimap smtp 6/8spec lines stated 7.3
10 QeyeT Free planNoPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storagenot statedEmail aliasesnot statedEncrypted calendarYesMail protocol supportnot stated 4/8spec lines stated 7.2
11 mail.de Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainnot statedMailbox storage2.5 GBEmail aliases1 aliasesEncrypted calendarnot statedMail protocol supportimap smtp 5/8spec lines stated 7.1
12 Mailfence Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainNoMailbox storage5 GBEmail aliases10 aliasesEncrypted calendarnot statedMail protocol supportnot stated 5/8spec lines stated 7.1
13 mailbox Free planNoPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage2 GBEmail aliases3 aliasesEncrypted calendarnot statedMail protocol supportimap smtp 6/8spec lines stated 7.0
14 SecureMyEmail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainnot statedMailbox storagenot statedEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 3/8spec lines stated 7.0
15 EPRIVO Free plannot statedPaid from0.42/user/moEnd-to-end encryptionYesCustom domainYesMailbox storagenot statedEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 3/8spec lines stated 6.9
16 Kolab Now Free planNoPaid fromnot statedEnd-to-end encryptionNoCustom domainYesMailbox storage5 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 5/8spec lines stated 6.9
17 StartMail Free planNoPaid from4.99/user/moEnd-to-end encryptionYesCustom domainYesMailbox storage20 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 6/8spec lines stated 6.8
18 Mailopoly Free planNoPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storagenot statedEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 3/8spec lines stated 6.6
19 NevTan Mail Free planYesPaid fromnot statedEnd-to-end encryptionnot statedCustom domainYesMailbox storage35 GBEmail aliasesnot statedEncrypted calendarYesMail protocol supportimap smtp 5/8spec lines stated 6.6
20 Neir Free planYesPaid fromnot statedEnd-to-end encryptionNoCustom domainnot statedMailbox storage5 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 4/8spec lines stated 6.5
21 OwnMail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage10 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 4/8spec lines stated 6.5
22 Runbox Free planNoPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage2 GBEmail aliases100 aliasesEncrypted calendarnot statedMail protocol supportimap smtp 6/8spec lines stated 6.5
23 Private.Ki Mail Free planYesPaid fromnot statedEnd-to-end encryptionYesCustom domainnot statedMailbox storagenot statedEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 2/8spec lines stated 6.3
24 Soverin Free planNoPaid fromnot statedEnd-to-end encryptionYesCustom domainYesMailbox storage25 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportimap smtp 5/8spec lines stated 6.3
25 Posteo Free plannot statedPaid fromnot statedEnd-to-end encryptionYesCustom domainnot statedMailbox storage4 GBEmail aliasesnot statedEncrypted calendarnot statedMail protocol supportnot stated 2/8spec lines stated 6.2
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | End-to-end encryption | Custom domain |
|---|---|---|---|---|---|---|---|---|
| 1 | Aster Mail | 7.9 | Free plan | $2.42/mo | Yes | 2.42 /user/mo | Yes | Yes |
| 2 | Proton Mail | 7.9 | Free plan | Free | Yes | — | Yes | Yes |
| 3 | eclipso Mail Europe | 7.8 | Free plan | €1.49/mo | Yes | — | Yes | No |
| 4 | Disroot Email | 7.7 | Free plan | Free | Yes | — | No | Yes |
| 5 | Tuta Mail | 7.7 | Free plan | €3/mo | Yes | — | Yes | Yes |
| 6 | CounterMail | 7.5 | No | $6.58/mo | No | 3.29 /user/mo | Yes | Yes |
| 7 | Private-Mail | 7.4 | No | $8.95/mo | Yes | — | Yes | Yes |
| 8 | Hushmail | 7.3 | No | $5/mo | No | — | — | Yes |
| 9 | Mailo | 7.3 | Free plan | €1.50/mo | Yes | — | Yes | Yes |
| 10 | QeyeT | 7.2 | No | — | No | — | Yes | Yes |
| 11 | mail.de | 7.1 | Free plan | €0.99/mo | Yes | — | Yes | — |
| 12 | Mailfence | 7.1 | Free plan | €2.50/mo | Yes | — | Yes | No |
| 13 | mailbox | 7.0 | No | €1/mo | No | — | Yes | Yes |
| 14 | SecureMyEmail | 7.0 | Free plan | Free | Yes | — | Yes | — |
| 15 | EPRIVO | 6.9 | No | $0.42/mo | — | 0.42 /user/mo | Yes | Yes |
| 16 | Kolab Now | 6.9 | No | CHF 5/mo | No | — | No | Yes |
| 17 | StartMail | 6.8 | No | $4.99/mo | No | 4.99 /user/mo | Yes | Yes |
| 18 | Mailopoly | 6.6 | No | $6.99/mo | No | — | Yes | Yes |
| 19 | NevTan Mail | 6.6 | Free plan | $0.17/mo | Yes | — | — | Yes |
| 20 | Neir | 6.5 | Free plan | $4.99/mo | Yes | — | No | — |
| 21 | OwnMail | 6.5 | Free plan | $4.99/mo | Yes | — | Yes | Yes |
| 22 | Runbox | 6.5 | No | €1.66/mo | No | — | Yes | Yes |
| 23 | Private.Ki Mail | 6.3 | Free plan | $5/mo | Yes | — | Yes | — |
| 24 | Soverin | 6.3 | No | €3.25/mo | No | — | Yes | Yes |
| 25 | Posteo | 6.2 | No | — | — | — | Yes | — |
Is your tool 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 Specifiction?
Aster Mail is ranked #1 of 28 with a score of 7.9. Proton Mail is second and eclipso Mail Europe 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 on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.
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