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Best Proxmox Mail Gateway Alternatives in 2026

Updated

20 apps from email security gateways ranked against Proxmox Mail Gateway on the same published basis.

  1. 1
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo7.2
    Proxmox Mail Gateway vs Xeams
  2. 2
    VM Backup Free plan apiLinuxself-hostedWin Free7.1
    Proxmox Mail Gateway vs VM Backup
  3. 3
    Rspamd Free plan LinuxMacself-hosted £100/mo6.9
    Proxmox Mail Gateway vs Rspamd
  4. 4
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 6.8
    Proxmox Mail Gateway vs Check Point Harmony SASE
  5. 5
    Mailprotector Free plan apiWeb Free6.8
    Proxmox Mail Gateway vs Mailprotector
  6. 6
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo6.7
    Proxmox Mail Gateway vs Hermes Secure Email Gateway
  7. 7
    MailScanner Free plan Linuxself-hosted Free6.6
    Proxmox Mail Gateway vs MailScanner
  8. 8
    Mimecast Data Leak Prevention Web 6.4
    Proxmox Mail Gateway vs Mimecast Data Leak Prevention
  9. 9
    Proxmox Backup Server LinuxWeb €46.67/mo6.3
    Proxmox Mail Gateway vs Proxmox Backup Server
  10. 10
    Sophos Secure Message Free trial Web 6.3
    Proxmox Mail Gateway vs Sophos Secure Message
  11. 11
    Abnormal Email Security apiWeb 6.2
    Proxmox Mail Gateway vs Abnormal Email Security
  12. 12
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 6.2
    Proxmox Mail Gateway vs IRONSCALES Email Protect
  13. 13
    Fortra Data Security Posture Management apiself-hostedWeb 6.0
    Proxmox Mail Gateway vs Fortra Data Security Posture Management
  14. 14
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 6.0
    Proxmox Mail Gateway vs LevelBlue AppDetectivePRO
  15. 15
    SpamHero Business Email Security Free trial apiWeb $5/mo6.0
    Proxmox Mail Gateway vs SpamHero Business Email Security
  16. 16
    SpamTitan Gateway Free trial self-hostedWeb 6.0
    Proxmox Mail Gateway vs SpamTitan Gateway
  17. 17
    Symantec IT Management Suite LinuxMacWin 6.0
    Proxmox Mail Gateway vs Symantec IT Management Suite
  18. 18
    Darktrace / EMAIL apiWeb 5.9
    Proxmox Mail Gateway vs Darktrace / EMAIL
  19. 19
    Libraesva Email Security Free trial self-hostedWeb 5.9
    Proxmox Mail Gateway vs Libraesva Email Security
  20. 20
    Sublime Security Web 5.9
    Proxmox Mail Gateway vs Sublime Security

Proxmox Mail Gateway alternatives compared

#AppScoreFree planFromRuns on
1Xeams7.2Free plan$25/moAPI, Linux, Mac, self-hosted, Web, Windows
2VM Backup7.1Free planFreeAPI, Linux, self-hosted, Windows
3Rspamd6.9Free plan£100/moLinux, Mac, self-hosted
4Check Point Harmony SASE6.8No—Android, iOS, Linux, Mac, Web, Windows
5Mailprotector6.8Free planFreeAPI, Web
6Hermes Secure Email Gateway6.7Free plan$62.50/moLinux, self-hosted
7MailScanner6.6Free planFreeLinux, self-hosted
8Mimecast Data Leak Prevention6.4No—Web
9Proxmox Backup Server6.3No€46.67/moLinux, Web
10Sophos Secure Message6.3No—Web
11Abnormal Email Security6.2No—API, Web
12IRONSCALES Email Protect6.2No—Android, API, iOS, Web
13Fortra Data Security Posture Management6.0No—API, self-hosted, Web
14LevelBlue AppDetectivePRO6.0No—self-hosted, Web, Windows
15SpamHero Business Email Security6.0No$5/moAPI, Web
16SpamTitan Gateway6.0No—self-hosted, Web
17Symantec IT Management Suite6.0No—Linux, Mac, Windows
18Darktrace / EMAIL5.9No—API, Web
19Libraesva Email Security5.9No—self-hosted, Web
20Sublime Security5.9No—Web
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Questions about Proxmox Mail Gateway alternatives

What is the best alternative to Proxmox Mail Gateway?

Xeams, number 1 in email security gateways with a score of 7.2 out of 10. The others here: VM Backup, Rspamd, Check Point Harmony SASE and 16 more.

What is the best free alternative to Proxmox Mail Gateway?

Xeams 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.