MX Guarddog vs Zerospam
| MX Guarddog | Zerospam | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | $0.25/mo | €5/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | No |
| Phishing detection | Yes | Yes |
| Malware scanning | Yes | Yes |
| Quarantine access | user_and_admin | admin_only |
| Supported mail platforms | Standard SMTP email servers for owned domains; not consumer Gmail or Hotmail accounts | — |
| Quarantine retention | 7 days | — |
| Deployment type | cloud_gateway | cloud_gateway |
Both are listed in Best Email Anti-Spam Software. On Samsung Mobile US Press, MX Guarddog scores higher on our published basis.