Workstation (personal) mode

• Windows: Download installation package: davmail-version-setup64.exe or noinstall zip: davmail-version-windows-standalone.zip which now both include Azul JDK, and follow instructions at DavMail Setup on Windows
• macOS: Setup Azul JDK FX from Azul Downloads, then download DavMail-MacOSX-version.app.zip
  and follow instructions at DavMail Setup on macOS
  
• Linux Flatpak: DavMail can be installed as a Flatpak: DavMail Flatpak package
• Linux OpenSUSE: RPM packages are available from OpenSUSE build service: OpenSUSE DavMail Package
• Linux Fedora and RedHat: DavMail Fedora packages are available on COPR: Fedora DavMail package
• Debian Linux (and Debian-based distributions like Ubuntu): Download debian package davmail_version-1_all.deb
  and follow instructions at DavMail Setup on Linux
• Docker: Docker images are available on GitHub Container Registry: DavMail Docker image More details at: DavMail Docker instructions
• Other: Download platform independent package davmail-version.zip
  and follow instructions at DavMail Setup on linux
  

Server (shared) mode

Download standalone package for Windows: davmail-version-windows-standalone.zip or platform independent package for other operating systems: davmail-version.zip . Docker packages are also available, see above.
Follow server mode setup instructions at DavMail Setup as a standalone server

Build from source

Download source tarball davmail-src-version.tgz
and follow instructions at Building DavMail from source