Index: openacs-4/packages/forums/www/message-email.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/forums/www/message-email.tcl,v
diff -u -r1.16 -r1.16.4.1
--- openacs-4/packages/forums/www/message-email.tcl	20 Sep 2008 12:10:28 -0000	1.16
+++ openacs-4/packages/forums/www/message-email.tcl	14 Dec 2013 17:03:10 -0000	1.16.4.1
@@ -10,6 +10,9 @@
     message_id:integer,notnull
 }
 
+# require login to avoid abuse from spammers
+auth::require_login
+
 forum::security::require_read_message -message_id $message_id
 
 # Get the message information