to match class names.

<p>
Examples:
<pre>
  # Give friends, and local users, better transfer rates
  &lt;IfClass local, friends&gt;
    TransferRate RETR 8192
  &lt;/IfClass&gt;

  TransferRate RETR 4096
</pre>

<p>
See also: <a href="#IfGroup">&lt;IfGroup&gt;</a>, <a href="#IfUser">&lt;IfUser&gt;</a>

<p>
<hr>
<h3><a name="IfGroup">&lt;IfGroup&gt;</a></h3>
<strong>Syntax:</strong> &lt;IfGroup <em>[&quot;AND&quot;|&quot;OR&quot;] group-expression|&quot;regex&quot; regexp</em>&gt;<br>
<strong>Default:</stro