@SBK
It runs successfully:
curl -m 20 -s -u ZBjlLzGSC5:MB9rPpfVAUjwZO12RmqsI7bLJcWTiQGED5HleaF3 --connect-timeout 10 -X POST https://www.foxymon.com/receiver/receiver2.php -F function=receive_binary_location
https://downloads.outagesio.com/otm/otm_1.67.2104_linux
I created a new agent and it worked with no issues, so I'm good to go now.
~cwa