Proxmox Mail Gateway vs Sophos Secure Message
| Proxmox Mail Gateway | Sophos Secure Message | |
|---|---|---|
| Free plan | No | |
| Free trial | Yes | |
| Paid from | €15.83/mo | |
| Platforms | Linux, Web | Web |
| Free plan | No | No |
| Outbound filtering | Yes | Yes |
| Deployment model | gateway | cloud |
| Impersonation protection | Yes | |
| Malware sandboxing | Yes | |
| Microsoft 365 support | Yes | |
| Google Workspace support | Yes | |
| Recipient verification | password | |
| Message expiry | Yes | |
| Outlook integration | Yes | |
| Gmail integration | No | |
| Admin access controls | Yes |
Listed together in Best Email Security GatewaysBest Email Anti-Spam Software