Warning: require(Net/SMTP.php): failed to open stream: No such file or directory in /usr/share/doc/cpanel-php81-net-smtp-1.10.0/examples/basic.php on line 3

Fatal error: require(): Failed opening required 'Net/SMTP.php' (include_path='.:/opt/cpanel/ea-php73/root/usr/share/pear') in /usr/share/doc/cpanel-php81-net-smtp-1.10.0/examples/basic.php on line 3