Self-Hosted Email Server

Alternatives to Modoboa

Compare healthier or more active tools in the same use case using ToolVitals public evidence.

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Why compare

Signals behind this alternatives page

Commit continuity, contributor activity, and delivery signals are strong.
Health score: 95/100.
Shipping score: 93/100.

Switching guide

Best alternatives by need

Best overallgromox

Highest organic ToolVitals fit for this use case.

Healthier optionsgromox

Stronger current public-health signal than Modoboa.

Verified open/source-visiblegromox, Mox, KumoMTA, Mailu

Useful when portability and inspectability matter.

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Ranked alternatives

Best-fit self-hosted email server options

4 tools

gromox

Groupware backend supporting mail and calendar protocols.

Active

Health96

Shipping96

Score96

Confidence90

Stars253

ModeSource-visible project

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Mox

modern full-featured open source secure mail server for low-maintenance self-hosted email

Active

Health92

Shipping90

Score91

Confidence90

Stars5.9k

ModeSource-visible project

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KumoMTA

The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.

Active

Health91

Shipping86

Score89

Confidence90

Stars530

ModeSource-visible project

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Mailu

Self-hosted mail server stack packaged as Docker images.

Active

Health83

Shipping80

Score82

Confidence90

Stars7.5k

ModeSource-visible project

View profile Compare with Modoboa