Hermes Secure Email Gateway
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VisitHermes Secure Email Gateway vs Xeams
What both publish
| Fact | Hermes Secure Email Gateway | Xeams |
|---|---|---|
| Deployment modes | It supports gateway deployment ahead of Microsoft 365, Google Workspace, Exchange or Postfix, full mail-server deployment, and mixed gateway/mail-server deployments. | The product can run as a standalone server, a firewall in front of another mail server, or in hybrid configurations. |
| Encryption | Hermes supports SMTP TLS, S/MIME, PGP, encrypted-PDF fallback and Dovecot mail-crypt encryption at rest. | Outbound end-to-end encryption works with recipients on any domain, including when the sender uses Microsoft or Google cloud mail. |
| Filtering | Inbound mail passes through Postfix postscreen and RBL checks, then Amavisd-new orchestrates SpamAssassin and ClamAV scanning. | Xeams provides spam, virus, phishing, URL and outbound-message filtering. |
| Integrations | Published integration targets include Microsoft 365, Google Workspace, Exchange, Postfix, Nextcloud, LDAP and Active Directory. | Xeams describes Active Directory integration and outbound email relaying with OAuth 2.0 for services such as Microsoft Exchange Online or Google Workspace. |
| Licence | The Community Edition is licensed under GNU AGPLv3; proprietary Pro files are governed by a commercial EULA. | Xeams is proprietary freeware/shareware; the Community Edition is non-commercial and the Enterprise Edition is subscription licensed. |
| Product | Hermes is a self-hosted Docker Compose stack combining email security, mail hosting, end-to-end encryption, and Nextcloud collaboration. | Xeams is an email server and spam firewall that can run standalone, in front of another mail server, or in hybrid mode. |
Hermes Secure Email Gateway plans
- Community EditionFree
- Pro Edition$750
Xeams plans
- Community EditionFree
- Enterprise Edition, 1–9 users, annual$1.67 a month
- Enterprise Edition, 1–9 users, monthly$1.92 a month
- Enterprise Edition with Support$300 a year
- Enterprise Edition—
- Enterprise Edition—
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.
Pick Xeams if…
Xeams suits organizations that need a self-hosted or cloud email server, a spam-filtering gateway, or a hybrid deployment. Its administration tools, directory integration, outbound relaying, and tiered licensing may appeal to teams managing email for multiple users.