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