Download guam-0.9.5-4.3.el7.kolab_16.x86_64.rpm & erlang-eimap-0.4.0-10.3.el7.kolab_16.x86_64.rpm systemctl stop guam cp /etc/guam/sys.config /etc/guam/sys.config.save rpm –nodeps -ehv guam-0.9.8-1.3.el7.kolab_16.x86_64 rpm –nodeps -ehv erlang-eimap-0.4.3-1.2.el7.kolab_16.x86_64 rpm –nodeps
