type)
                throws <a href="../MessagingException.html" title="class in jakarta.mail">MessagingException</a></pre>
<div class="block">Set the subtype. This method should be invoked only on a new
 MimeMultipart object created by the client. The default subtype
 of such a multipart object is "mixed".</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>subtype</code> - Subtype</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../MessagingException.html" t