title: Decoding UTF-8 email subject?
body: <p>I have a string in this form: <code>=?utf-8?B?zr...</code></p>
  
  <p>And I want to get the name of the file in proper UTF-8 encoding. Is there a library method somewhere in maven central that will do this decoding for me, or will I need to test the pattern and decode base64 manually?</p>