--- searchtypes.xml.orig	2004-11-23 15:31:34.187405890 +0100
+++ searchtypes.xml	2004-11-23 15:42:13.900585557 +0100
@@ -525,5 +525,20 @@
       <sources/>
     </rule>
 
+    <rule grouping="any" source="demand">
+      <_title>Sender or Recipients contains</_title>
+      <partset>
+        <part name="sender">
+          <value name="sender-type" type="option" value="contains"/>
+          <value name="sender" type="string"/>
+        </part>
+        <part name="to">
+          <value name="recipient-type" type="option" value="contains"/>
+          <value name="recipient" type="address"/>
+        </part>
+      </partset>
+      <sources/>
+    </rule>
+
   </ruleset>
 </filterdescription>