system(
    '/var/www/cgi-bin/sendEmail',
    '-f', $email_from,
    '-t','$email_to',
    '-u','123',
    '-m','123',
    '-o','message-content-type=html'
);

##</code><code>##

system("/var/www/cgi-bin/sendEmail -f $email_from -t $email_to -u 123 -m 123 -o message-content-type=html"
);