6.1.0 is a user interface release. It adds the Web Control Deck, a web admin UI served directly by the built-in REST API listener, and rebuilds the desktop Administrator around a full light/dark theme engine. The server core is unchanged from 6.0.0 build 4 apart from the new web-page endpoint. Web Control Deck Enable RestApiPort in hMailServer.INI and browse to the server. No extra components are required. It carries a live dashboard with animated counters and session stats, domain and account management, retry and delete on the delivery queue, and publish-ready DANE TLSA records. Light and dark themes with a toggle. Sign-in uses the administrator credential. Administrator (desktop) Deep-space dark and clean light palettes applied across every pane and dialog, including dark window title bars, native dark scrollbars and themed menus Theme toggle in the View menu. It follows the Windows app-mode preference by default, and the choice is persisted Ctrl+K command palette, fuzzy-searching every settings page and jumping straight to it Modernised dashboard with glow accents, eased value animations and hover-highlight stat cards Installer Modern wizard branding, and it ships the WebAdmin payload. The release was validated by the full regression suite: 898/898 tests passing, zero failures, against a MariaDB backend with live SpamAssassin and ClamAV and TLS 1.2/1.3 end to end. Full release notes, checksums and signatures

6.0.0 is the first modernised release of the fork: 64-bit only, built with the VS2026 toolchain, with OpenSSL 4 and TLS 1.2 and 1.3 underneath. Build 4 is the production build, and it fixes the installer defect that made build 3 unusable on fresh installations. What the upgrade involved 6.0 was 64-bit only. The installer dropped the obsolete 2015-era UCRT, which had been included in Windows since Server 2016 / Windows 10. Upgrade notes and the full feature list are in the README. The installer fix Build 3 bundled VS2019-era VC++ runtime DLLs. The service loaded those instead of the current ones and crashed at startup with an access violation in msvcp140.dll on fresh installations. Build 4 ships the matching v145 (14.51) runtimes. Build 3 also fixed MySQL/MariaDB database creation, which was a script line-ending problem, and bundles libmysql.dll. What 6.0 brought OpenSSL 4, TLS 1.2 and 1.3 MTA-STS and DANE, with in-process DNSSEC validation ARC sealing and Ed25519 DKIM ACME (Let's Encrypt) built in REST admin API and Prometheus metrics IMAP MOVE, ID and SPECIAL-USE PBKDF2 password hashing The release was validated by the full regression suite: 898 of 898 tests passing, zero failures, run against a MariaDB (MySQL backend) instance, including live SpamAssassin, ClamAV with real EICAR detection, DMARC against live DNS, and TLS 1.2 and 1.3 end to end. Full release notes, checksums and signatures