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Best N-able Mail Assure Alternatives in 2026

Updated

20 apps from email security gateways ranked against N-able Mail Assure on the same published basis.

  1. 1
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 7.1
    N-able Mail Assure vs Check Point Harmony SASE
  2. 2
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 7.0
    N-able Mail Assure vs IRONSCALES Email Protect
  3. 3
    VM Backup Free plan apiLinuxself-hostedWin Free6.4
    N-able Mail Assure vs VM Backup
  4. 4
    Mailprotector Free plan apiWeb Free6.3
    N-able Mail Assure vs Mailprotector
  5. 5
    Rspamd Free plan LinuxMacself-hosted £100/mo6.3
    N-able Mail Assure vs Rspamd
  6. 6
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo6.3
    N-able Mail Assure vs Xeams
  7. 7
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo6.2
    N-able Mail Assure vs Hermes Secure Email Gateway
  8. 8
    MailScanner Free plan Linuxself-hosted Free6.2
    N-able Mail Assure vs MailScanner
  9. 9
    Mimecast Data Leak Prevention Web 5.8
    N-able Mail Assure vs Mimecast Data Leak Prevention
  10. 10
    Abnormal Email Security apiWeb 5.7
    N-able Mail Assure vs Abnormal Email Security
  11. 11
    Proxmox Backup Server LinuxWeb €46.67/mo5.7
    N-able Mail Assure vs Proxmox Backup Server
  12. 12
    Sophos Secure Message 5.6
    N-able Mail Assure vs Sophos Secure Message
  13. 13
    Fortra Data Security Posture Management apiself-hostedWeb 5.5
    N-able Mail Assure vs Fortra Data Security Posture Management
  14. 14
    SpamHero Business Email Security Free trial apiWeb $5/mo5.5
    N-able Mail Assure vs SpamHero Business Email Security
  15. 15
    SpamTitan Gateway Free trial self-hostedWeb 5.5
    N-able Mail Assure vs SpamTitan Gateway
  16. 16
    Sublime Security Web 5.5
    N-able Mail Assure vs Sublime Security
  17. 17
    Darktrace / EMAIL apiWeb 5.4
    N-able Mail Assure vs Darktrace / EMAIL
  18. 18
    FortiMail Email Security 5.4
    N-able Mail Assure vs FortiMail Email Security
  19. 19
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 5.4
    N-able Mail Assure vs LevelBlue AppDetectivePRO
  20. 20
    Libraesva Email Security Free trial self-hostedWeb 5.4
    N-able Mail Assure vs Libraesva Email Security

N-able Mail Assure alternatives compared

#AppScoreFree planFromRuns on
1Check Point Harmony SASE7.1No—Android, iOS, Linux, Mac, Web, Windows
2IRONSCALES Email Protect7.0No—Android, API, iOS, Web
3VM Backup6.4Free planFreeAPI, Linux, self-hosted, Windows
4Mailprotector6.3Free planFreeAPI, Web
5Rspamd6.3Free plan£100/moLinux, Mac, self-hosted
6Xeams6.3Free plan$25/moAPI, Linux, Mac, self-hosted, Web, Windows
7Hermes Secure Email Gateway6.2Free plan$62.50/moLinux, self-hosted
8MailScanner6.2Free planFreeLinux, self-hosted
9Mimecast Data Leak Prevention5.8No—Web
10Abnormal Email Security5.7No—API, Web
11Proxmox Backup Server5.7No€46.67/moLinux, Web
12Sophos Secure Message5.6No——
13Fortra Data Security Posture Management5.5No—API, self-hosted, Web
14SpamHero Business Email Security5.5No$5/moAPI, Web
15SpamTitan Gateway5.5No—self-hosted, Web
16Sublime Security5.5No—Web
17Darktrace / EMAIL5.4No—API, Web
18FortiMail Email Security5.4No——
19LevelBlue AppDetectivePRO5.4No—self-hosted, Web, Windows
20Libraesva Email Security5.4No—self-hosted, Web
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Questions about N-able Mail Assure alternatives

What is the best alternative to N-able Mail Assure?

Check Point Harmony SASE, number 1 in email security gateways with a score of 7.1 out of 10. The others here: IRONSCALES Email Protect, VM Backup, Mailprotector and 16 more.

What is the best free alternative to N-able Mail Assure?

VM Backup is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.