mime type tag reference - novalexei/mod_servlet GitHub Wiki
####<mime-type>
Specifies the MIME type in a <mime-mapping> element.
The value should be specified in lower case, as with all MIME types.
Example:
<!-- Send PQZ files as application/octet-stream -->
<!-- So the user is asked to download the file -->
<mime-mapping>
<extension>pqz</extension>
<mime-type>application/octet-stream</mime-type>
</mime-mapping>