Not a developer? Go to



This is documentation about a configuration directive, which can be placed within Movable Type’s core configuration file, mt-config.cgi, to customize the behavior of the system.

<p>Specify the password validation rules. The value can be followings, please specify multiple times to combine the rules.</p>

  <li><strong>letternumber</strong> : Password should contain letters and numbers.</li>
  <li><strong>upperlower</strong> : Password should contain uppercase and lowercase letters.</li>
  <li><strong>symbol</strong> : Password should contain special characters.</li>
<p>Example: User must use password that contains letters, numbers, and symbols.</p>
<pre class="prettyprint"><code class="language-mt">UserPasswordValidation letternumber

UserPasswordValidation symbol