 All the Folder objects returned by the default IMAP provider implement
 the UIDFolder interface.  Use it as follows:
 <blockquote><pre>

        Folder f = store.getFolder("whatever");
        UIDFolder uf = (UIDFolder)f;
        long uid = uf.getUID(msg);

 </pre></blockquote></div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Bill Shannon, John Mani</dd>
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