git clone https://github.com/hmailserver/hmailserver.git cd hmailserver # Switch to the 5.7 branch (or master) git checkout 5.7 # Open hMailServer.sln in Visual Studio 2022 # Build -> Build Solution (Release x64) This gives you the fullest version, including code fixes that haven't yet been packaged into an installer. However, this requires Visual Studio and knowledge of C++/C#. | Scenario | Recommendation | | :--- | :--- | | You need a mail server for 50+ users in a business | Do not download 5.7. Use stable 5.6.8. The "full" 5.7 is too risky. | | You are testing in a lab or home environment | Yes – download 5.7.0-B2609 from GitHub to gain experience with modern databases. | | You found a file called "hMailServer_57_full_ready.exe" on a random forum | Delete immediately – It is almost certainly malware. |

Stay safe, and happy mailing.

No. As of this writing, the hMailServer team advises that 5.7 is for testing only. Running it on a live business server is risky. Part 2: The Danger of Searching for "Full Version" Externally Because hMailServer 5.7 is not prominently featured on the front page of the official website, many users turn to third-party download sites (like CNET Download, Softpedia, or random GitHub forks) to find a "full" installer.

Last Updated: 2024-2025

The latest stable production version is (Build 2574). The "5.7" branch refers to the experimental beta builds (primarily 5.7.0-B2609 or newer) which include major database and SSL/TLS updates.

If you have landed on this page searching for , you are likely an IT administrator, a small business owner, or a tech enthusiast looking to set up a robust, open-source mail server. You are on the right track.

However, there is a critical piece of information that often confuses new users: