A 404 page is returned when any POST request is sent to “/xmlrpc.php” on A Small Orange-hosted WordPress sites:

GET requests work as expected:

But if we rename “xmlrpc.php” to “2xmlrpc.php” then POST requests work:

If you ask Sales, they will tell you that they do support XMLRPC:

Can’t really blame the rep, they are just following a script.

idk. We will just rename xmlrpc for now. Hope this helps someone else.