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Best Proxmox Mail Gateway Alternatives in 2026

Updated

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

  1. 1
    Xeams Free plan apiLinuxMacself-hostedWeb $25/mo7.8
    Proxmox Mail Gateway vs Xeams
  2. 2
    Check Point Harmony SASE Free trial AndroidiOSLinuxMacWeb 7.7
    Proxmox Mail Gateway vs Check Point Harmony SASE
  3. 3
    VM Backup Free plan apiLinuxself-hostedWin Free7.6
    Proxmox Mail Gateway vs VM Backup
  4. 4
    Hermes Secure Email Gateway Free plan Linuxself-hosted $62.50/mo7.1
    Proxmox Mail Gateway vs Hermes Secure Email Gateway
  5. 5
    Rspamd Free plan LinuxMacself-hosted £100/mo7.0
    Proxmox Mail Gateway vs Rspamd
  6. 6
    IRONSCALES Email Protect Free trial AndroidapiiOSWeb 6.9
    Proxmox Mail Gateway vs IRONSCALES Email Protect
  7. 7
    Sophos Secure Message Free trial Web 6.9
    Proxmox Mail Gateway vs Sophos Secure Message
  8. 8
    INKY Email Security Free trial Web 6.8
    Proxmox Mail Gateway vs INKY Email Security
  9. 9
    Mailprotector Free plan apiWeb Free6.8
    Proxmox Mail Gateway vs Mailprotector
  10. 10
    Scrollout F1 Free plan Linuxself-hostedWin Free6.8
    Proxmox Mail Gateway vs Scrollout F1
  11. 11
    LevelBlue AppDetectivePRO Free trial self-hostedWebWin 6.7
    Proxmox Mail Gateway vs LevelBlue AppDetectivePRO
  12. 12
    Mimecast Data Leak Prevention Web 6.7
    Proxmox Mail Gateway vs Mimecast Data Leak Prevention
  13. 13
    SpamHero Business Email Security Free trial apiWeb $5/mo6.7
    Proxmox Mail Gateway vs SpamHero Business Email Security
  14. 14
    Libraesva Email Security Free trial self-hostedWeb 6.6
    Proxmox Mail Gateway vs Libraesva Email Security
  15. 15
    Proxmox Backup Server LinuxWeb €46.67/mo6.6
    Proxmox Mail Gateway vs Proxmox Backup Server
  16. 16
    SpamTitan Gateway Free trial self-hostedWeb 6.6
    Proxmox Mail Gateway vs SpamTitan Gateway
  17. 17
    EuropeanMX Free trial Web €4.95/mo6.5
    Proxmox Mail Gateway vs EuropeanMX
  18. 18
    MailScanner Free plan Linuxself-hosted Free6.5
    Proxmox Mail Gateway vs MailScanner
  19. 19
    Abnormal Email Security apiWeb 6.4
    Proxmox Mail Gateway vs Abnormal Email Security
  20. 20
    Darktrace / EMAIL apiWeb 6.3
    Proxmox Mail Gateway vs Darktrace / EMAIL

Proxmox Mail 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
14Libraesva Email Security6.6self-hosted, Web
15Proxmox Backup Server6.6€46.67/moLinux, Web
16SpamTitan Gateway6.6self-hosted, Web
17EuropeanMX6.5No€4.95/moWeb
18MailScanner6.5Free planFreeLinux, self-hosted
19Abnormal Email Security6.4API, Web
20Darktrace / EMAIL6.3API, 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 7.8 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 Proxmox Mail Gateway?

Xeams is the best-ranked alternative with a free plan. 7 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.