MailScanner vs N-able Mail Assure
| MailScanner | N-able Mail Assure | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | Web |
| Free plan | Yes | No |
| Deployment model | gateway | cloud |
| Outbound filtering | — | Yes |
| Impersonation protection | — | Yes |
| Microsoft 365 support | — | Yes |
| Google Workspace support | — | Yes |
Both are listed in Best Email Security Gateways. On Samsung Mobile US Press, MailScanner scores higher on our published basis.