Proxmox Backup Server vs Zerospam
| Proxmox Backup Server | Zerospam | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | €46.67/mo | €5/mo |
| Open source | No | No |
| Platforms | Linux, Web | Web |
| Free plan | No | No |
| Phishing detection | — | Yes |
| Malware scanning | — | Yes |
| Quarantine access | — | admin_only |
| Deployment type | — | cloud_gateway |
Both are listed in Best Email Anti-Spam Software. On Inferse, Proxmox Backup Server scores higher on our published basis.