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Best Mimecast Secure Email Gateway Alternatives in 2026

Updated

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

  1. 1
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo7.9
    Mimecast Secure Email Gateway vs Xeams
  2. 2
    VM Backup Free plan apiLinuxself-hostedWin Free7.8
    Mimecast Secure Email Gateway vs VM Backup
  3. 3
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo7.5
    Mimecast Secure Email Gateway vs Hermes Secure Email Gateway
  4. 4
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 7.2
    Mimecast Secure Email Gateway vs Check Point Harmony SASE
  5. 5
    Rspamd Free plan LinuxMacself-hosted £100/mo7.1
    Mimecast Secure Email Gateway vs Rspamd
  6. 6
    Sophos Secure Message Free trial Web 7.0
    Mimecast Secure Email Gateway vs Sophos Secure Message
  7. 7
    INKY Email Security Free trial Web 6.9
    Mimecast Secure Email Gateway vs INKY Email Security
  8. 8
    Mailprotector Free plan apiWeb Free6.9
    Mimecast Secure Email Gateway vs Mailprotector
  9. 9
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 6.8
    Mimecast Secure Email Gateway vs IRONSCALES Email Protect
  10. 10
    Scrollout F1 Free plan Linuxself-hostedWin Free6.7
    Mimecast Secure Email Gateway vs Scrollout F1
  11. 11
    GFI MailEssentials Free trial self-hostedWin 6.6
    Mimecast Secure Email Gateway vs GFI MailEssentials
  12. 12
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 6.6
    Mimecast Secure Email Gateway vs LevelBlue AppDetectivePRO
  13. 13
    Libraesva Email Security Free trial self-hostedWeb 6.6
    Mimecast Secure Email Gateway vs Libraesva Email Security
  14. 14
    MailScanner Free plan Linuxself-hosted Free6.6
    Mimecast Secure Email Gateway vs MailScanner
  15. 15
    SpamHero Business Email Security Free trial apiWeb $5/mo6.6
    Mimecast Secure Email Gateway vs SpamHero Business Email Security
  16. 16
    Spamihilator Free plan Win Free6.6
    Mimecast Secure Email Gateway vs Spamihilator
  17. 17
    SpamTitan Gateway Free trial self-hostedWeb 6.6
    Mimecast Secure Email Gateway vs SpamTitan Gateway
  18. 18
    EuropeanMX Free trial Web €4.95/mo6.5
    Mimecast Secure Email Gateway vs EuropeanMX
  19. 19
    Mimecast Data Leak Prevention Web 6.5
    Mimecast Secure Email Gateway vs Mimecast Data Leak Prevention
  20. 20
    Proxmox Backup Server LinuxWeb €46.67/mo6.4
    Mimecast Secure Email Gateway vs Proxmox Backup Server

Mimecast Secure Email Gateway alternatives compared

#PlatformScoreFree planFromRuns on
1Xeams7.9Free plan$25/moAPI, Linux, Mac, self-hosted, Web, Windows
2VM Backup7.8Free planFreeAPI, Linux, self-hosted, Windows
3Hermes Secure Email Gateway7.5Free plan$62.50/moLinux, self-hosted
4Check Point Harmony SASE7.2Android, iOS, Linux, Mac, Web, Windows
5Rspamd7.1Free plan£100/moLinux, Mac, self-hosted
6Sophos Secure Message7.0Web
7INKY Email Security6.9Web
8Mailprotector6.9Free planFreeAPI, Web
9IRONSCALES Email Protect6.8Android, API, iOS, Web
10Scrollout F16.7Free planFreeLinux, self-hosted, Windows
11GFI MailEssentials6.6self-hosted, Windows
12LevelBlue AppDetectivePRO6.6Noself-hosted, Web, Windows
13Libraesva Email Security6.6self-hosted, Web
14MailScanner6.6Free planFreeLinux, self-hosted
15SpamHero Business Email Security6.6No$5/moAPI, Web
16Spamihilator6.6Free planFreeWindows
17SpamTitan Gateway6.6self-hosted, Web
18EuropeanMX6.5No€4.95/moWeb
19Mimecast Data Leak Prevention6.5Web
20Proxmox Backup Server6.4€46.67/moLinux, Web
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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 7.9 out of 10. The others here: VM Backup, Hermes Secure Email Gateway, Check Point Harmony SASE 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.