Index: modules/univention/admin/syntax.py
===================================================================
--- modules/univention/admin/syntax.py	(Revision 37328)
+++ modules/univention/admin/syntax.py	(Arbeitskopie)
 -2711,18 +2711,11 @@
 			return text
 		raise univention.admin.uexceptions.valueError(_('May only contain letters (except umlauts), digits, space as well as "#", "!", "$", "%", "&" "|", "^", ".", "~", "_", "-". Has to begin with a letter or digit and must not and with space.'))
 
+class ldapSearchMailHomeServer( IComputer_FQDN ):
+	udm_modules = ( 'computers/computer', )
+	udm_filter = '&(objectClass=univentionHost)(univentionService=IMAP)'
+	empty_value = True
 
-class ldapSearchMailHomeServer(LDAP_Search):
-	def __init__(self):
-		LDAP_Search.__init__(
-			self,
-			filter = '(&(objectClass=univentionHost)(univentionService=IMAP))',
-			attribute = [ 'computers/computer: fqdn' ],
-			value = 'computers/computer: fqdn',
-			addEmptyValue = True
-		)
-
-
 if __name__ == '__main__':
 	import doctest
 	doctest.testmod()