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Best FortiMail Email Security Alternatives in 2026

Updated

20 apps from email security gateways ranked against FortiMail Email Security on the same published basis.

  1. 1
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 7.1
    FortiMail Email Security vs Check Point Harmony SASE
  2. 2
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 7.0
    FortiMail Email Security vs IRONSCALES Email Protect
  3. 3
    VM Backup Free plan apiLinuxself-hostedWin Free6.4
    FortiMail Email Security vs VM Backup
  4. 4
    Mailprotector Free plan apiWeb Free6.3
    FortiMail Email Security vs Mailprotector
  5. 5
    Rspamd Free plan LinuxMacself-hosted £100/mo6.3
    FortiMail Email Security vs Rspamd
  6. 6
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo6.3
    FortiMail Email Security vs Xeams
  7. 7
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo6.2
    FortiMail Email Security vs Hermes Secure Email Gateway
  8. 8
    MailScanner Free plan Linuxself-hosted Free6.2
    FortiMail Email Security vs MailScanner
  9. 9
    Mimecast Data Leak Prevention Web 5.8
    FortiMail Email Security vs Mimecast Data Leak Prevention
  10. 10
    Abnormal Email Security apiWeb 5.7
    FortiMail Email Security vs Abnormal Email Security
  11. 11
    Proxmox Backup Server LinuxWeb €46.67/mo5.7
    FortiMail Email Security vs Proxmox Backup Server
  12. 12
    Sophos Secure Message 5.6
    FortiMail Email Security vs Sophos Secure Message
  13. 13
    Fortra Data Security Posture Management apiself-hostedWeb 5.5
    FortiMail Email Security vs Fortra Data Security Posture Management
  14. 14
    SpamHero Business Email Security Free trial apiWeb $5/mo5.5
    FortiMail Email Security vs SpamHero Business Email Security
  15. 15
    SpamTitan Gateway Free trial self-hostedWeb 5.5
    FortiMail Email Security vs SpamTitan Gateway
  16. 16
    Sublime Security Web 5.5
    FortiMail Email Security vs Sublime Security
  17. 17
    Darktrace / EMAIL apiWeb 5.4
    FortiMail Email Security vs Darktrace / EMAIL
  18. 19
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 5.4
    FortiMail Email Security vs LevelBlue AppDetectivePRO
  19. 20
    Libraesva Email Security Free trial self-hostedWeb 5.4
    FortiMail Email Security vs Libraesva Email Security
  20. 21
    Cloudflare Email Security Web 5.3
    FortiMail Email Security vs Cloudflare Email Security

FortiMail Email Security 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
19LevelBlue AppDetectivePRO5.4No—self-hosted, Web, Windows
20Libraesva Email Security5.4No—self-hosted, Web
21Cloudflare Email Security5.3No—Web
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Questions about FortiMail Email Security alternatives

What is the best alternative to FortiMail Email Security?

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 FortiMail Email Security?

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.