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Best Mimecast Secure Email Gateway Alternatives in 2026

Updated

20 tools from email security gateways ranked against Mimecast Secure Email Gateway on the same published basis.

  1. 1
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo7.8
    Mimecast Secure Email Gateway vs Xeams
  2. 2
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 7.7
    Mimecast Secure Email Gateway vs Check Point Harmony SASE
  3. 3
    VM Backup Free plan apiLinuxself-hostedWin Free7.6
    Mimecast Secure Email Gateway vs VM Backup
  4. 4
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo7.1
    Mimecast Secure Email Gateway vs Hermes Secure Email Gateway
  5. 5
    Rspamd Free plan LinuxMacself-hosted £100/mo7.0
    Mimecast Secure Email Gateway vs Rspamd
  6. 6
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 6.9
    Mimecast Secure Email Gateway vs IRONSCALES Email Protect
  7. 7
    Sophos Secure Message Free trial Web 6.9
    Mimecast Secure Email Gateway vs Sophos Secure Message
  8. 8
    INKY Email Security Free trial Web 6.8
    Mimecast Secure Email Gateway vs INKY Email Security
  9. 9
    Mailprotector Free plan apiWeb Free6.8
    Mimecast Secure Email Gateway vs Mailprotector
  10. 10
    Scrollout F1 Free plan Linuxself-hostedWin Free6.8
    Mimecast Secure Email Gateway vs Scrollout F1
  11. 11
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 6.7
    Mimecast Secure Email Gateway vs LevelBlue AppDetectivePRO
  12. 12
    Mimecast Data Leak Prevention Web 6.7
    Mimecast Secure Email Gateway vs Mimecast Data Leak Prevention
  13. 13
    SpamHero Business Email Security Free trial apiWeb $5/mo6.7
    Mimecast Secure Email Gateway vs SpamHero Business Email Security
  14. 14
    GFI MailEssentials Free trial self-hostedWin 6.6
    Mimecast Secure Email Gateway vs GFI MailEssentials
  15. 15
    Libraesva Email Security Free trial self-hostedWeb 6.6
    Mimecast Secure Email Gateway vs Libraesva Email Security
  16. 16
    Proxmox Backup Server LinuxWeb €46.67/mo6.6
    Mimecast Secure Email Gateway vs Proxmox Backup Server
  17. 17
    Spamihilator Free plan Win Free6.6
    Mimecast Secure Email Gateway vs Spamihilator
  18. 18
    SpamTitan Gateway Free trial self-hostedWeb 6.6
    Mimecast Secure Email Gateway vs SpamTitan Gateway
  19. 19
    EuropeanMX Free trial Web €4.95/mo6.5
    Mimecast Secure Email Gateway vs EuropeanMX
  20. 20
    MailScanner Free plan Linuxself-hosted Free6.5
    Mimecast Secure Email Gateway vs MailScanner

Mimecast Secure Email Gateway alternatives compared

#ToolScoreFree planFromRuns on
1Xeams7.8Free plan$25/moAPI, Linux, Mac, self-hosted, Web, Windows
2Check Point Harmony SASE7.7Android, iOS, Linux, Mac, Web, Windows
3VM Backup7.6Free planFreeAPI, Linux, self-hosted, Windows
4Hermes Secure Email Gateway7.1Free plan$62.50/moLinux, self-hosted
5Rspamd7.0Free plan£100/moLinux, Mac, self-hosted
6IRONSCALES Email Protect6.9Android, API, iOS, Web
7Sophos Secure Message6.9Web
8INKY Email Security6.8Web
9Mailprotector6.8Free planFreeAPI, Web
10Scrollout F16.8Free planFreeLinux, self-hosted, Windows
11LevelBlue AppDetectivePRO6.7Noself-hosted, Web, Windows
12Mimecast Data Leak Prevention6.7Web
13SpamHero Business Email Security6.7No$5/moAPI, Web
14GFI MailEssentials6.6self-hosted, Windows
15Libraesva Email Security6.6self-hosted, Web
16Proxmox Backup Server6.6€46.67/moLinux, Web
17Spamihilator6.6Free planFreeWindows
18SpamTitan Gateway6.6self-hosted, Web
19EuropeanMX6.5No€4.95/moWeb
20MailScanner6.5Free planFreeLinux, self-hosted
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Questions about Mimecast Secure Email Gateway alternatives

What is the best alternative to Mimecast Secure Email Gateway?

Xeams, number 1 in email security gateways with a score of 7.8 out of 10. The others here: Check Point Harmony SASE, VM Backup, Hermes Secure Email Gateway and 16 more.

What is the best free alternative to Mimecast Secure Email Gateway?

Xeams is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives 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.