title: Make PHPmailer a "more secure app" for Gmail
body: <p>What security can we implement in PHPmailer to make it a more secure app for Gmail? <a href="https://support.google.com/accounts/answer/6010255" rel="noreferrer">https://support.google.com/accounts/answer/6010255</a>
  I am using PHPmailer to send emails via Gmail. PS: I don't want to enable "access for less secure apps" here: <a href="https://www.google.com/settings/security/lesssecureapps" rel="noreferrer">https://www.google.com/settings/security/lesssecureapps</a>, I want to make the app more secure.</p>