| Price from | €11.61/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 7 | 1 |
| Spec score · Mail Server Software | 8.0 (#12) | 7.8 (#21) |
| Purpose | Modoboa is an open-source platform for installing and managing a self-hosted email server. | qmail is a secure, reliable, efficient message transfer agent for typical Internet-connected UNIX hosts. |
| Support | The project offers paid installation or upgrade assistance, help with specific issues, and annual maintenance services. | The maker directs users to the qmail mailing list and says commercial support is available through qmail.org. |