Citadel vs poste.io
Citadel
citadel.orgposte.io
poste.ioSide by side
| Figure | Citadel | poste.io |
|---|---|---|
| Price from | Free | $29.08/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · Mail Server Software | 8.3 (#4) | 8.0 (#13) |
| Support | Support is provided through an active user and developer community, an online knowledge base, a support forum, and a mailing list. | The pricing page includes email support with PRO and PRO+, while FREE is marked as not including it. |