title: MimeMessage.getContent - Unknown encoding: 8bitPrecedence
body: <p>When I get emails from POP3, comes the following error</p>
  
  <pre><code>Fatal exception java.io.IOException: Unknown encoding: 8bitPrecedence
  at javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:109)
  at com.sun.mail.handlers.text_plain.getContent(text_plain.java:107)
  at javax.activation.DataSourceDataContentHandler.getContent(DataHandler.java:790)
  at javax.activation.DataHandler.getContent(DataHandler.java:537)
  at javax.mail.internet.MimeMessage.getContent(MimeMessage.java:1419)
  </code></pre>
  
  <p>Source code</p>
  
  <pre><code>Session session = property.getSession();
  HashMap&lt;String, String&gt; isNotified = Util.getIsNotified(connection, userId);
  store = session.getStore("pop3");
  store.connect();
  inbox = store.getFolder("INBOX");
  inbox.open(Folder.READ_ONLY);
  int count       = inbox.getMessageCount();
  for(int i = 0; i &lt; count; i++)
  {
      Message message     = inbox.getMessage(i);
      Object content = message.getContent();
  }
  </code></pre>
  
  <p>Other messages received without any error</p>