Index: openacs-4/packages/mail-tracking/lib/messages.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/mail-tracking/lib/messages.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/mail-tracking/lib/messages.tcl	24 Oct 2005 18:01:06 -0000	1.22
+++ openacs-4/packages/mail-tracking/lib/messages.tcl	25 Oct 2005 14:19:43 -0000	1.23
@@ -129,8 +129,10 @@
     } else {
 	set recipient_where_clause " and recipient_id = :recipient"
     }
-} else {
+} elseif { [exists_and_not_null recipient] }  {
     set recipient_where_clause " and recipient_id = :recipient"
+} else {
+    set recipient_where_clause ""
 }