# hmailserver/hmailserver

Repository: https://github.com/hmailserver/hmailserver
Canonical: https://ross.abutalabs.com/products/hmailserver
Language: C++
License Family: other
Last push: 2026-09-02T20:44:56+00:00

## Health v2 (maintenance only)
Score: 86/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 100, release rhythm 60, longevity 100
- inputs: {"age_days": 4530, "days_push": 0, "days_rel": 4, "gap_med": 6, "n_releases_24m": 2}
- flags: prerelease_only, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1016, forks 347 (observed 2026-09-03T02:15:12.737971+00:00)

## What it is
hMailServer is an open-source email server for Microsoft Windows providing SMTP, IMAP, and POP3 services. The project is no longer actively developed or maintained and relies on outdated, insecure dependencies.

## Use cases
- self-host an email server on windows
- run smtp imap pop3 server on windows
- host my own mail server
- windows email server software
- legacy mail server maintenance
- migrate away from hmailserver

## When to choose
- you must maintain an existing hMailServer deployment on Windows
- you need a reference C++ codebase for mail server internals

## When to avoid
- you are setting up a new email server - the project is unmaintained and uses insecure algorithms like SHA1 and outdated OpenSSL
- you need security patches or modern TLS support
- you run production email where reliability and security matter

## Facets
- artifact type: application
- maturity: abandoned
- function: email, http-server, security
- domain: email, self-hosted, windows
- platform: windows, cpp
- tags: mail-server, smtp, imap, pop3, self-hosted-email, discontinued

## Member repositories
- hmailserver/hmailserver (main) score 86

## Provenance
- Observed fields: from GitHub, fetched 2026-09-03T02:15:12.737971+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:13:44.650839+00:00, confidence not recorded.
  - readme: https://github.com/hmailserver/hmailserver (fetched 2026-09-03T02:15:12.737971+00:00, sha 956a8f53f041)
- Data as of 2026-08-30T08:39:29.467469+00:00.