GFI MailEssentials
5.6#20 in email security gatewaysSelf-hostedWindows
VisitGFI MailEssentials vs Hermes Secure Email Gateway
Hermes Secure Email Gateway
7.7#3 in email security gatewaysFree planFree planWebLinuxSelf-hosted
VisitWhat both publish
| Fact | GFI MailEssentials | Hermes Secure Email Gateway |
|---|---|---|
| Deployment | It can run on Microsoft Exchange or on a gateway/perimeter server in front of any SMTP-compliant mail server, including hosted email environments such as Office 365. | It can run as a gateway in front of Microsoft 365, Google Workspace, Exchange, or Postfix, as a full mail server, or in hybrid mode. |
| Integrations | The list server integrates with Microsoft Exchange and supports Microsoft Access or Microsoft SQL Server for its subscriber list backend. | Published integration targets include Microsoft 365, Google Workspace, Exchange, Postfix, Nextcloud, LDAP and Active Directory. |
GFI MailEssentials plans
- Anti-spamPriced on request
- EmailSecurityPriced on request
- UnifiedProtectionPriced on request
Hermes Secure Email Gateway plans
- Community EditionFree
- Pro Edition$750
Pick GFI MailEssentials if…
It suits organizations protecting on-premise or gateway-based Windows mail servers. It can also support hosted email environments such as Office 365.
Pick Hermes Secure Email Gateway if…
Hermes is aimed at SMBs, MSPs, self-hosters, privacy-focused teams, and organizations adding a gateway before Microsoft 365 or Google Workspace. It requires a Linux host capable of running its specified Docker components.