ta.mail">MessagingException</a></pre>
<div class="block">Set the preamble text to be included before the first
 body part.  Applications should generally not include
 any preamble text.  In some cases it may be helpful to
 include preamble text with instructions for users of
 pre-MIME software.  The preamble text should be complete
 lines, including newlines.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>preamble</code> - the preamble text</dd>
<dt><span class="throwsLabel">Throw