compare
Maddy vs Mail-in-a-Box
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Maddy | Mail-in-a-Box |
|---|---|---|
| Language | Go | Python |
| Licence | GPL-3.0 | CC0-1.0 |
| Stars | 6.1k | 15k |
| Latest | v0.9.6 | v77 |
| Last push | 2026-10-03 | 2026-09-26 |
| Release cadence | about 21 days between releases | about 116 days between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 4 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Google Workspace. Alternatives to Google Workspace →
PartialMaddySMTP, IMAP, DKIM, SPF and DMARC in one Go binary; mail only.
PartialMail-in-a-BoxMail, contacts and calendars for your own domains on one Ubuntu server, without the office apps.
Maddy
✓ signed The latest release, v0.9.6, carries a signature GitHub verified.
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Mail-in-a-Box
unsigned The latest release, v77, carries no signature GitHub could verify.
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