update openbis service.properties

SVN: 11528

openbis/source/java/service.properties

@@ -39,8 +39,11 @@ data-store-server-base-url =
 
 # The URL of the CIFEX server
 cifex-url = https://cifex.ethz.ch:443
-# Cifex user that will receive and automatically manage uploaded data
-cifex-recipient = cifexdatamanager
+
+# Cifex users that will receive and automatically manage uploaded data.
+# The user names should be prepended with 'id:' prefix for example: 
+# cifex-recipient = id:dropboxuser, id:backpuser
+cifex-recipient = id:cifexdatamanager
 
 # Hibernate Search
 # The working directory.