#ifndef DISABLE_EVENT
extern uschar *event_action; /* expansion for delivery events */
-extern uschar *event_data; /* event data */
+extern const uschar *event_data; /* event data */
extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */
extern const uschar *event_name; /* event classification */
#endif
extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
extern uschar *recipient_verify_failure; /* What went wrong */
extern int recipients_list_max; /* Maximum number fitting in list */
-extern int recipients_max; /* Max permitted */
+extern uschar *recipients_max; /* Max permitted */
+extern int recipients_max_expanded;
extern BOOL recipients_max_reject; /* If TRUE, reject whole message */
extern const pcre2_code *regex_AUTH; /* For recognizing AUTH settings */
extern const pcre2_code *regex_check_dns_names; /* For DNS name checking */