title: Login failed: 530 Non-anonymous sessions must use encryption
body: <p>OS: OS X 10.9.3</p>
  
  <p>lftp version: </p>
  
  <pre><code>LFTP | Version 4.5.1 | Copyright (c) 1996-2014 Alexander V. Lukyanov
  </code></pre>
  
  <p>After upgraded to lftp 4.5.1, I got this error when mput files to the same ftp.</p>
  
  <p>Is there any advice? Thanks</p>