| Price from | Free | $1.58/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 5 | 7 |
| Spec score · Business Email Hosting | 8.4 (#9) | 8.5 (#8) |
| Company | BlueMind describes itself as a French software publisher focused on sovereign collaborative email. | Migadu describes itself as an independent, bootstrapped Swiss company serving users worldwide since 2014. |
| Free plan | Yes | No |
| Headquarters | Labège, France | Schachen, Switzerland; 100% remote company |
| Limits | The installation prerequisites state that the BlueMind server supports IPv4 only and requires at least 24 GB RAM and 2 vCPUs in the default configuration. | Plan quotas apply per account across active domains and mailboxes; incoming and outgoing message limits can cause deferrals or rejections when exceeded. |
| Product | BlueMind is a collaborative email and enterprise collaboration platform with email, calendars, contacts, and tasks. | Migadu provides email hosting for custom domains with unlimited email addresses and domains. |
| Security | BlueMind documents encrypted data flows, HTTPS for collaborative connections, standard encrypted mail protocols, and a built-in firewall restricting data flows. | Migadu says email traffic to and from its service and within the service is encrypted, and its privacy policy lists secure data centers, encrypted transmission, access controls, and monitoring as safeguards. |
| Support | BlueMind says it provides documentation and tools for migration, deployment, testing, and support for users and partners. | Migadu offers email and ticket support, can help with domain DNS and email client setup, and does not offer phone or chat support. |