The project is currently not being actively maintained. Security researchers and community members warn that it uses outdated algorithms (like SHA1) and may be considered insecure for modern production use. Installation Issues:
In the open-source world, 5.7 is a "development" branch. It contains experimental features and fixes that are still being tested. The master branch on the project's Git repositories contains the latest development code, which is typically . This version is best suited for developers who want to test new features or contribute to the project's codebase.
On that page, select:
Here are a few common problems and their solutions:
Seamless attachment scanning via ClamAV or any command-line virus scanner. download full hmailserver 57
hMailServer 5.7 is a major release that includes several security enhancements and bug fixes over previous versions. It supports common email protocols such as IMAP, SMTP, and POP3. Additionally, it integrates easily with existing systems like ClamAV for antivirus protection and SpamAssassin for spam filtering.
Since it is self-hosted, you have total privacy and control over your data. Free and Open Source: No licensing fees (AGPL license).
For production use, download from the official website. Only use 5.7 for testing purposes.
Host unlimited email domains and accounts on a single installation. The project is currently not being actively maintained
Note: As of recent years, project trackers and downloads have moved primarily to SourceForge and the main website. Prerequisites for Installation
hMailServer is an open source email server for Microsoft Windows. This page describes how to compile and run hMailServer in debug.
Are you deploying this on a or a cloud VPS (like AWS or Azure)? Which database do you plan to use (Built-in or External)?
This includes both the Server (which handles the mail traffic) and the Administrative Tools (the GUI used to manage domains and accounts). It contains experimental features and fixes that are
: Features a web-based administration tool for remote control and account management. Open Source Flexibility
Best for small setups, testing, or environments with under 20-30 mailboxes. It requires zero configuration.
: Features a score-based spam protection mechanism that integrates seamlessly with third-party tools like SpamAssassin. Why is Version 5.7 Unique?
| What you want | Should you download? | Where | |---|---|---| | Stable mail server for production | ✅ Yes – 5.6.8 | hmailserver.com/download | | Testing new Windows versions | ⚠️ 5.7 alpha (optional) | GitHub / Forum (build yourself) | | “Full” bundle from random site | ❌ No – security risk | None |
: If your ISP blocks default port 25, you may need to configure hMailServer to run SMTP on an alternative port, such as Advanced Settings configuring specific security settings like SSL or anti-spam filters on your new installation? Create A Fork Of hMailServer To Run On Windows Systems