title: What (if any) http status code is returned when a MIME type is missing?
body: <p>If a web server doesn't have a MIME type added for a file that a client tries to download, what (if any) http status code would be returned?</p>
  
  <p>It suggests here it could be 415, although the answer isn't definite:</p>
  
  <p><a href="https://stackoverflow.com/questions/11973813/http-status-code-for-unaccepted-content-type-in-request?rq=1">HTTP status code for unaccepted Content-Type in request</a></p>