title: Authentication failed. Please check your username/password. [Server response: DNS Error: Domain name not found code(0) ]
body: <p>i am trying to configure my host mail to gmail. POP3 is working. But while trying to configure it shows following error. DNS working perfectly and i can able to receive mails via POP3 in gmail. Only i cannot able to reply from this same mail id, which is receiving.</p>
  
  <p>PORTs are tried is : 587 and 465</p>
  
  <p>both are not working. Please help me out</p>
  
  <pre><code>Authentication failed. Please check your username/password.[Server response: DNS Error: Domain name not found code(0) can]
  </code></pre>
  
  <p>what will i have to do? </p>