Soluzione
nano /etc/yum.repos.d/zimbra.repo
Inserire il seguente testo e salvare
[zimbra-90-oss]
name=Zimbra New RPM Repository
baseurl=https://repo.zimbra.com/rpm/90/rhel8
gpgcheck=1
enabled=1
yum clean all
yum clean metadata
yum clean dbcache
yum makecache
Poi eseguire i seguenti comanti
rpm --import https://files.zimbra.com/downloads/security/public.key
yum -y install zimbra-core-components zimbra-ldap-components zimbra-mta-components zimbra-dnscache-components zimbra-snmp-components zimbra-jetty-distribution zimbra-store-components zimbra-apache-components zimbra-spell-components zimbra-memcached zimbra-proxy-components
sudo setenforce 0
./install.sh --platform-override
A questo punto dovrebbe essere OK
MAL