xception,
             <a href="MessagingException.html" title="class in jakarta.mail">MessagingException</a></pre>
<div class="block">Output a bytestream for this Part. This bytestream is
 typically an aggregration of the Part attributes and
 an appropriately encoded bytestream from its 'content'. <p>

 Classes that implement the Part interface decide on
 the appropriate encoding algorithm to be used. <p>

 The bytestream is typically used for sending.</div>
<dl>
<dt><span class="paramLabel">Parameters:</s