Citadel vs vSMTP
Citadel
citadel.orgvSMTP
viridit.comSide by side
| Figure | Citadel | vSMTP |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 1 | 1 |
| Spec score · Mail Server Software | 8.3 (#4) | 5.6 (#33) |