1. Upload the cmm.tgz file to your server 2. Untar the distribution: tar -xzf cmm.tgz 3. cd into the directory created and run the install script: cd cmm/ sh install.sh 4. Login to WHM and scroll to the bottom of the left hand menu and you should see "ConfigServer Mail Manage" If you want to uninstall, simply: rm -fv /usr/local/cpanel/whostmgr/docroot/cgi/addon_cmm.cgi rm -fv /usr/local/cpanel/whostmgr/docroot/cgi/cmmversion.txt rm -Rfv /usr/local/cpanel/whostmgr/docroot/cgi/cmm/