This is a description of http://openwebmail.org/openwebmail/download

release/        official release of openwebmail
current/        the most fresh code of openwebmail, may be unstable

cert/           cert advisory, patch
contrib/        programs, images, patches contributed by users
doc/            docs for openwebmail
icons/          various powered-by-openwebmail icons
packages/       packages required by openwebmail
screenshots/    screenshots of openwebmail

rocky/          rpm build for Rocky Linux 8 and 9!
centos/		rpm build for CentOS 6,7 and 8
redhat/         rpm, docs of openwebmail and related packages for Red Hat based Linux
debian/		Debian .deb package for openwebmail

MUST DO!

1. download release/openwebmail-x.xx.tgz
2. download all files in packages
3. read doc/readme.txt and doc/faq.txt. IMPORTANT!!!

And hope you like openwebmail...:)