hMailServer 6.2.0

Released 14 June 2026 6.2 series

This is not the current release. hMailServer 6.3.3 is the one to install unless you need this exact version.

Downloads for 6.2.0

The installer for this version is not held on this site. Its release notes are below; 6.2.1 is the nearest version with a download.

What’s new in 6.2.0

hMailServer 6.2.0 introduces the hMailServer Control Panel - a brand-new, modern desktop administration app - alongside the full 6.x server. The .NET 8 Desktop Runtime is now bundled and installed automatically when missing - no separate downloads.

Full release notes for 6.2.0 2 sections

hMailServer Control Panel (new)

A .NET 8 WPF application with Fluent/Windows 11 design (Mica window), light & dark themes, animated live charts and the familiar navigation tree from the classic Administrator (Welcome, Status, Domains, Rules, Settings > Advanced, Utilities):

  • Animated dashboard: KPI cards plus live delivery-throughput and session charts
  • Domains & accounts with account editor (quota, password, forwarding, vacation), aliases and distribution lists (with member management)
  • Delivery queue with Deliver now / Remove, plus live log streaming
  • Rules with a graphical IF/THEN editor (criteria and actions)
  • Settings: Protocols, Delivery, Routes, Anti-spam (SPF/DKIM/DMARC/greylisting/SpamAssassin), Anti-virus, Logging
  • Advanced: Auto-ban & SSL/TLS, Performance & scripting, SSL certificates, TCP/IP ports, IP ranges (with permission editor), Incoming relays, plus DANE/DNSSEC, MTA-STS, ARC, TLS-RPT, ACME, REST API, web services and metrics
  • Utilities: Backup & restore, MX query, Server sendout, Diagnostics
  • Ctrl+K command palette, guaranteed text contrast, consistent spacing

The classic Administrator remains included.

Quality

Server core 6.2.0 build 6 - validated by the full regression suite: 898/898 tests passing, zero failures (MariaDB backend, live SpamAssassin + ClamAV, TLS 1.2/1.3 end to end).

Also includes the Web Control Deck (browser admin at the REST listener root).