BOOL deliver_firsttime = FALSE;
BOOL deliver_freeze = FALSE;
-int deliver_frozen_at = 0;
+time_t deliver_frozen_at = 0;
BOOL deliver_manual_thaw = FALSE;
#ifndef DISABLE_DKIM
BOOL dont_deliver = FALSE;
+#ifdef EXPERIMENTAL_DSN
+int dsn_ret = 0;
+uschar *dsn_envid = NULL;
+#endif
+
#ifdef WITH_CONTENT_SCAN
int fake_response = OK;
#endif