I meant that https://portal.enterprisesamba.com/ does not provide free packaged rpms anymore starting from samba4 version 4.3. Here is the quote from the website:
"SerNet's 4.2 packages and older versions will be maintained as EnterpriseSAMBA and distributed here for free. With the release of the 4.3 packages SerNet changed to SAMBA+: 4.3 packages as well as all later versions are available as software subscription. Starting immediately they can be purchased at the SAMBA+ shop". -- users@sogo.nu https://inverse.ca/sogo/lists
