Kolab vs Mailu
Kolab
kolab.orgMailu
mailu.ioSide by side
| Figure | Kolab | Mailu |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Mail Server Software | 8.0 (#11) | 7.9 (#18) |
| Deployment | Kolab is packaged as containers that can run on one host or be distributed across a larger environment. | Mailu runs as Docker containers and documents Docker Compose and Kubernetes deployment options. |
| Product | Kolab is a free and open-source communication and collaboration solution that can be run on your own infrastructure. | Mailu is a free software mail server distributed as a set of Docker images. |
| Security | The feature page lists PGP, two-factor authentication, DKIM/DMARC and spam protection among its email security features. | Listed security features include enforced TLS, DANE, MTA-STS, Let's Encrypt, outgoing DKIM, antivirus scanning, and blocking malicious attachments. |