extern const uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
extern uschar *queue_domains; /* Queue these domains */
-#ifdef EXPERIMENTAL_QUEUE_RAMP
+#ifndef DISABLE_QUEUE_RAMP
extern BOOL queue_fast_ramp; /* 2-phase queue-run overlap */
#endif
extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */