extern uschar *event_action; /* expansion for delivery events */
extern uschar *event_data; /* event data */
extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */
extern uschar *event_action; /* expansion for delivery events */
extern uschar *event_data; /* event data */
extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */