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Business Operations

Best Secure Email Gateway Software in 2026

  1. 01 Cloudflare Gateway
    From $7/mo Free plan Web · Windows · macOS · Linux
    9.4 Visit Specs
  2. 02 Microsoft Defender for Business
    From $0.25/mo Free trial Windows · macOS · iOS · Android
    8.5 Visit Specs
  3. 03 Kerio Connect
    Free trial Web · Windows · macOS · Linux
    7.9 Visit Specs
  4. 04 Libraesva Email Security
    Free trial Web · Self-hosted
    7.6 Visit Specs
  5. 05 SpamHero Business Email Security

    SpamHero suits organizations that want cloud filtering in front of a domain’s mail server, including Microsoft 365 or Google Workspace users.

    From $5/mo Free trial Web · API
    7.6 Visit Specs
  6. 06 Sophos Secure Message

    Sophos Email suits organizations seeking email threat defense, data loss prevention, encryption, and user-awareness features.

    Free trial Web
    7.5 Visit Specs
  7. 07 Mailinblack Protect

    Protect suits companies, public administrations, and healthcare institutions seeking managed email threat filtering.

    Web · API · Self-hosted
    7.3 Visit Specs
  8. 08 SpamTitan Gateway
    Free trial Web · Self-hosted
    7.2 Visit Specs
  9. 09 Symantec IT Management Suite

    It is aimed at IT teams handling endpoint and server deployment, patching, asset records, and policy management in complex environments.

    Windows · macOS · Linux · API
    6.9 Visit Specs
  10. 10 Barracuda Message Archiver
    Web · Windows · macOS
    6.4 Visit Specs
  11. 11 Proxmox Mail Gateway
    From €15.83/mo Web · Linux
    6.4 Visit Specs
  12. 12 Hornetsecurity 365 Total Protection
    Web
    6.2 Visit Specs
  13. 13 Check Point Email SecurityCheck Point Software Technologies Ltd.
    Web
    6.1 Visit Specs
  14. 14 Forcepoint Email Security Cloud
    Web
    5.9 Visit Specs
  15. 15 FortiMail Email Security
    5.8 Visit Specs
  16. 16 MDaemon SecurityGateway
    Web · Windows
    5.7 Visit Specs
  17. 17 Mimecast Email Security
    Web
    5.6 Visit Specs
  18. 18 Trend Vision One Container Security
    Web
    5.3 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Compare Cloudflare Gateway and Microsoft Defender for Business Get a place on this list

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