GFI MailEssentials vs Spamihilator
| GFI MailEssentials | Spamihilator | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows | Windows |
| Free plan | No | Yes |
| Outbound filtering | Yes | No |
| Deployment model | gateway | — |
| Microsoft 365 support | Yes | — |
Both are listed in Best Email Security Gateways. On Freedom251, Spamihilator scores higher on our published basis.