In the file upload behavior, there is not an upload folder specified, This will cause the file to upload to the same folder that the form file is in on your server.
IN the Universal Email server behavior, make sure that the Attachment is configured properly.
On the attachment tab, set the attach to entered value, and click the lightning bolt icon. In the bindings panel, select the WA Uploaded Files -> Server Directory binding. Copy the binding code that is added, then click the lightning bolt icon again, and select the WA Uploaded Files -> Server File Name binding.
in front of the Server File name binding code, past the server directory binding code.