~Sigmund UmwemanoniApr 29, 2016, 7:55 PM323 PostsIsn't there something in Windows that specifies the icon image?I'm not sure if you can trace it through the jpeg specifications, but generally I've found Notes uses a setting from Windows to represent the file attachment icon.
~Jennifer ElaskiflarMay 3, 2016, 12:16 AM10 Postshttpd.cnfI don't know if my previous post was saved. Look at the file httpd.cnf on the server, it contains the MIME file type mappings.