01
Mailu
Self-hosted mail server stack packaged as Docker images.
Health95
Shipping93
Score94
Confidence90
Stars7.6k
ModeSource-visible project
Self-Hosted Email Server
Alternatives to Modoboa
Compare healthier or more active tools in the same use case using ToolVitals public evidence.
Why compare
Signals behind this alternatives page
- Commit continuity, contributor activity, and delivery signals are strong.
- Health score: 95/100.
- Shipping score: 94/100.
Switching guide
Best alternatives by need
Verified open/source-visibleMailu, KumoMTA, gromox, Mox
Useful when portability and inspectability matter.
Ranked alternatives
Best-fit self-hosted email server options
Active
02
KumoMTA
The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.
Health93
Shipping89
Score91
Confidence90
Stars563
ModeSource-visible project
03
gromox
Groupware backend supporting mail and calendar protocols.
Health94
Shipping93
Score94
Confidence90
Stars268
ModeSource-visible project
04
Mox
modern full-featured open source secure mail server for low-maintenance self-hosted email
Health73
Shipping60
Score68
Confidence90
Stars5.9k
ModeSource-visible project