Hermes Secure Email Gateway vs INKY Email Security
| Hermes Secure Email Gateway | INKY Email Security | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | $62.50/mo | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | Web |
| Free plan | Yes | — |
| Outbound filtering | Yes | Yes |
| Malware sandboxing | No | — |
| Deployment model | gateway | cloud |
| Microsoft 365 support | Yes | Yes |
| Google Workspace support | Yes | Yes |
| Impersonation protection | — | Yes |
Both are listed in Best Email Security Gateways. On Samsung Mobile US Press, Hermes Secure Email Gateway scores higher on our published basis.