Index: /trunk/roundcubemail/config/main.inc.php.dist
===================================================================
--- /trunk/roundcubemail/config/main.inc.php.dist	(revision 1061)
+++ /trunk/roundcubemail/config/main.inc.php.dist	(revision 1062)
@@ -204,4 +204,7 @@
 // leave empty for auto-detection
 $rcmail_config['mail_header_delimiter'] = NULL;
+
+// session domain: .example.org
+$rcmail_config['session_domain'] = '';
 
 // in order to enable public ldap search, create a config array