​<link rel="stylesheet" type="text/css" href="https://hostandbuildwp.s3.amazonaws.com/wpstyle.css" media="screen">

<h4>Use this command to view settings in the postfix file. To edit type i and to exit. Press the Esc key and then shift ZZ</h4>
<div class="highlight">
  <pre class="chroma"><code class="language-terminal" data-lang="terminal">sudo vim /etc/postfix/main.cf
  </code> </pre>
</div>

<script src="https://hostandbuildwp.s3.amazonaws.com/wpcourse.js" data-smd-id="s230"></script>