Cleanmail vs Zerospam
| Cleanmail | Zerospam | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | — | €5/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Web |
| Phishing detection | Yes | Yes |
| Malware scanning | Yes | Yes |
| Quarantine access | user_and_admin | admin_only |
| Supported mail platforms | Professional mail servers and any email platform | — |
| Deployment type | cloud_gateway | cloud_gateway |
| Free plan | — | No |
Both are listed in Best Email Anti-Spam Software. On Samsung Mobile US Press, Cleanmail scores higher on our published basis.