title: Errno::EAFNOSUPPORT (Address family not supported by protocol - socket(2)):
body: <pre><code>Errno::EAFNOSUPPORT (Address family not supported by protocol - socket(2)): 
  </code></pre>
  
  <p>Error message from Heroku, devise, sendgrid. Hoping someone can explain and help me fix.</p>
  
  <p>And now its this:</p>
  
  <pre><code>Net::SMTPAuthenticationError (535 5.7.8 Error: authentication failed: authentication failure):
  </code></pre>
  
  <h1>update</h1>
  
  <p>I answered my own question.</p>