f part removed, false otherwise</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../javax/mail/MessagingException.html" title="class in javax.mail">MessagingException</a></code> - if no such Part exists</dd>
<dd><code><a href="../../javax/mail/IllegalWriteException.html" title="class in javax.mail">IllegalWriteException</a></code> - if the underlying
                        implementation does not support modification
                        of existing values</dd>
</dl>
</li>
</