title: Use dkimpy from command line
body: <p>How to use this python library from the command line?</p>
  
  <p><a href="https://pypi.python.org/pypi/dkimpy" rel="nofollow noreferrer">https://pypi.python.org/pypi/dkimpy</a></p>
  
  <p>I have a raw email message I want to validate the DKIM signature.. But how.. Can't find any docs about the usage</p>
  
  <p>The raw message is a string/stream</p>