hMailServer version 5.7 is an open-source, community-driven email server for Microsoft Windows
GitHub Releases: Check the "Releases" or "Actions" tab on GitHub for community-compiled binaries. Step-by-Step Installation Basics
Never compromise security for a "full" version number. The official open-source project gives you everything you need – you just need to know where to look. download full hmailserver 57
Solution: This happens because 5.7 has fewer global downloads than 5.6. Click More info → Run anyway. Then upload the file to VirusTotal to double-check.
If you absolutely need hMailServer 5.7 (for modern database support or newer TLS), you must get it from the official development branch. hMailServer version 5
Installing hMailServer is famously straightforward compared to enterprise suites like Exchange. x64 build · Issue #426 · hmailserver/hmailserver - GitHub
On that page, select:
Configure MX Records: For your server to receive mail, you must point your domain’s MX records to your server’s IP address.