"ERROR => No TLS support! SendEmail can't load required libraries. (try installing Net::SSLeay and IO::Socket::SSL)".
Install packages to fix error:
sudo apt-get update && sudo apt-get install libnet-ssleay-perl libio-socket-ssl-perl -y
Install Veeam plugin Oracle linux rpm -Uvh --nodigest --nofiledigest VeeamPluginforOracleRMAN-12.2.0.334-1.x86_64.rpm