--- a/tcb.schema	Mon Dec 12 13:10:31 2005 +0000
+++ b/tcb.schema	Thu Mar 23 08:36:24 2006 +0000
@@ -15,8 +15,10 @@
 
 attributetype (
     tcbAttribute:1 NAME ('tcbMailPrimaryAddress' 'tcbMailOfficialAddress') DESC 'official mail address'
-    SUP mail
-    SINGLE-VALUE )
+    EQUALITY caseIgnoreIA5Match
+    SUBSTR caseIgnoreIA5SubstringsMatch
+    SINGLE-VALUE
+    SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{256} )
 
 attributetype (
     tcbAttribute:2 NAME 'tcbMailForwardingAddress' DESC 'forwarding information for this recipient'