Kolab vs PowerMTA
Kolab
kolab.orgPowerMTA
bird.comSide by side
| Figure | Kolab | PowerMTA |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 1 | 0 |
| Spec score · Mail Server Software | 8.0 (#11) | 5.2 (#34) |