e</code>, <code>Transport</code>, and related
 classes.  The protocol providers are configured using the following files:
 <ul>
  <li> <code>javamail.providers</code> and
        <code>javamail.default.providers</code> </li>
  <li> <code>javamail.address.map</code> and
        <code>javamail.default.address.map</code> </li>
 </ul>
 <p>
 Each <code>javamail.</code><i>X</i> resource file is searched for using
 three methods in the following order:
 <ol>
  <li> <code><i>java.home</i>/<i>conf</i>/javamail.</cod