Libraesva Email Security vs Proxmox Backup Server
| Libraesva Email Security | Proxmox Backup Server | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | — | €46.67/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Linux, Web |
| Free plan | No | No |
| Outbound filtering | Yes | Yes |
| Impersonation protection | Yes | — |
| Malware sandboxing | Yes | — |
| Deployment model | hybrid | gateway |
| Microsoft 365 support | Yes | — |
| Google Workspace support | Yes | — |
Both are listed in Best Email Security Gateways, Best Email Anti-Spam Software. On Specifiction, Proxmox Backup Server scores higher on our published basis.