extern uschar *received_header_text; /* Definition of Received: header */
extern int received_headers_max; /* Max count of Received: headers */
extern struct timeval received_time; /* Time the message was received */
+extern struct timeval received_time_taken; /* Interval the message took to be received */
extern uschar *recipient_data; /* lookup data for recipients */
extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
extern uschar *recipient_verify_failure; /* What went wrong */