| Price from | Free | €8.90/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 4 | 7 |
| Spec score · Mail Server Software | 8.4 (#2) | 8.4 (#3) |
| Administration | Administrators can manage the server through WebAdmin and automate operations with the command-line interface and CLI API. | The mailcow web interface lets administrators create domains and email addresses and manage most settings. |
| Headquarters | Bucharest, Romania | Willich, Germany |
| Integrations | The features page lists OpenLDAP, Active Directory, OAuth 2.0, OpenID Connect, Zoom, and Microsoft Teams integrations or support. | The documentation lists client setup guides for Android, Apple macOS/iOS, eM Client, KDE Kontact, Outlook, and Thunderbird. |
| Product | Axigen is an all-in-one email, calendaring, and collaboration platform for organizations from small businesses to large service providers. | mailcow: dockerized is an open-source groupware and email suite based on Docker. |
| Security | Listed protections include authentication and encryption, access and flow controls, SPF, DKIM, DMARC compliance, and two-step verification. | Two-factor authentication options include YubiKey OTP, WebAuthn, and TOTP. |
| Support | The support page says business and channel support engineers are available around the clock, with an average response time under two hours for all issue types. | Commercial support is available through Servercow, while community support is voluntary, best-effort, and not guaranteed. |