Mail-in-a-BoxvsWinter CMS
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | Winter CMS | |
|---|---|---|
| Score | 72/100 | 62/100 |
| Rank in category | #3 of 16 in Mail Server | #16 of 42 in Content Management |
| GitHub stars | 15 445 | 1 522 |
| Stars, last 30 days | +27 | +2 |
| Stable releases, 12 months | 4 | 7 |
| Latest release | v77 · 26 Sept 2026 | v1.2.14 · 19 Aug 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | No |
| License | CC0-1.0 | MIT |
| Main language | Python | PHP |
Which one should you pick?
Mail-in-a-Box scores 72/100 against 62/100 for Winter CMS, so it is the safer default.
Winter CMS ships more often: 7 stable releases in the past year, against 4 for Mail-in-a-Box.
Mail-in-a-Box is growing faster right now (+27 stars in 30 days).
Mail-in-a-Box details →Winter CMS details →
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