er(java.lang.String,java.lang.String)">addHeader</a></span>&#8203;(java.lang.String&nbsp;header_name,
         java.lang.String&nbsp;header_value)</code></th>
<td class="colLast">
<div class="block">Add this value to the existing values for this header_name.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.util.Enumeration&lt;<a href="Header.html" title="class in jakarta.mail">Header</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a hr