title: Wordpress is not sending emails to Gmail
body: <p>None of my Wordpress emails are sent to Gmail. More info:</p>
  
  <ul>
  <li>I am using EXIM mail server</li>
  <li>I am using wordpress latest version</li>
  <li>it happens only when emails are sent to Gmail</li>
  </ul>
  
  <p>EXIM logs say that the email is sent succesfully to Gmail, but they are not sent, or sent in spam.</p>