const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
extern void moan_write_from(FILE *);
+extern void moan_write_references(FILE *, uschar *);
extern FILE *modefopen(const uschar *, const char *, mode_t);
extern int open_cutthrough_connection( address_item * addr );