The right DavMail package choice depends on your operating system and deployment (server or workstation).
Please consider making a donation to help this project at SourceForge Donation page
Download standalone package for Windows:
davmail-version-windows-standalone.zip
or platform independent package for other operating systems:
davmail-version.zip
and follow instructions at
DavMail Setup as a standalone server
Download source tarball
davmail-src-version.tgz
and follow instructions at
Building DavMail from source