--> Finished Dependency Resolution
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(CXXABI_1.3.11)(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.22)(64bit)
Error: Package: mysql-community-libs-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libc.so.6(GLIBC_2.28)(64bit)
Error: Package: mysql-community-libs-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(CXXABI_1.3.9)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libc.so.6(GLIBC_2.28)(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libncurses.so.6()(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libtirpc.so.3()(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libtinfo.so.6()(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libc.so.6(GLIBC_2.28)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libtirpc.so.3(TIRPC_0.3.0)(64bit)
Error: Package: mysql-community-libs-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(CXXABI_1.3.9)(64bit)
Error: Package: mysql-community-libs-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(GLIBCXX_3.4.20)(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(CXXABI_1.3.8)(64bit)
Error: Package: 2:postfix-2.10.1-7.el7.x86_64 (@base)
           Requires: libmysqlclient.so.18()(64bit)
           Removing: 1:mariadb-libs-5.5.65-1.el7.x86_64 (@base)
               libmysqlclient.so.18()(64bit)
           Obsoleted By: mysql-community-libs-8.0.21-1.el8.x86_64 (mysql80-community)
              ~libmysqlclient.so.21()(64bit)
Error: Package: mysql-community-server-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libtirpc.so.3(TIRPC_0.3.3)(64bit)
Error: Package: mysql-community-client-8.0.21-1.el8.x86_64 (mysql80-community)
           Requires: libstdc++.so.6(CXXABI_1.3.9)(64bit)
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest