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mailcow

Complete dockerized mail server suite

provisional — pending verificationGPL-3.0self-hostable

Arete score

4.3 / 5

Autonomy5

Return4

Efficiency3

Transparency5

ἀρετή “AH-reh-tay” — excellence: a thing being good at what it’s for. Mean of the four principle scores. How we score →

Visit site ↗ Self-host with ValueIndex — join waitlist

Plain outbound link — no affiliate parameters, no tracking redirects.

~ Provisional — seeded estimate by a human researcher; full rubric pass pending.

Why it's listed

mailcow is listed in mail servers because it competes on utility: complete dockerized mail server suite. It's community-maintained open source: the incentive is the tool itself. Licensed GPL-3.0; pricing: free / donations. Its resource footprint is reasonable for what it does, though not featherweight. This entry is provisional — the scores are seeded estimates pending our full manual rubric pass, and the verification date will appear here once complete.

Facts

License: GPL-3.0
Pricing: Free / donations
Funding model: Community OSS (Servercow)
Self-hostable: Yes — deploy difficulty: hard
Verification: Provisional — scores are seeded estimates pending manual verification

Also in mail servers

Mailu (4.3) — Simple yet full-featured mail server

Spotted a problem — trackers added, dark patterns, abandonment? Report a violation. Scores change when evidence does.