| Price from | €8.90/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| macOS | — | Yes |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 7 | 0 |
| Spec score · Mail Server Software | 8.4 (#3) | 7.2 (#30) |
| Integrations | The documentation lists client setup guides for Android, Apple macOS/iOS, eM Client, KDE Kontact, Outlook, and Thunderbird. | The add-on directory lists third-party tools for authentication, content filtering, policy services, webmail, and other functions; entries are maintained by their authors without formal evaluation. |
| Product | mailcow: dockerized is an open-source groupware and email suite based on Docker. | Postfix is Wietse Venema’s mail server, created as an alternative to Sendmail. |
| Support | Commercial support is available through Servercow, while community support is voluntary, best-effort, and not guaranteed. | The postfix-users mailing list is for questions, problem reports, and feature requests; non-member postings are silently discarded. |
