01
Mox
modern full-featured open source secure mail server for low-maintenance self-hosted email
Health92
Shipping90
Score91
Confidence90
Stars5.9k
ModeSource-visible project
Self-Hosted Email Server
Alternatives to gromox
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: 96/100.
- Shipping score: 96/100.
Switching guide
Best alternatives by need
Verified open/source-visibleMox, Modoboa, KumoMTA, Mailu
Useful when portability and inspectability matter.
Ranked alternatives
Best-fit self-hosted email server options
Active
02
Modoboa
Mail hosting made simple
Health95
Shipping93
Score94
Confidence90
Stars3.5k
ModeSource-visible project
03
KumoMTA
The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.
Health91
Shipping86
Score89
Confidence90
Stars530
ModeSource-visible project
04
Mailu
Self-hosted mail server stack packaged as Docker images.
Health83
Shipping80
Score82
Confidence90
Stars7.5k
ModeSource-visible project