int dmarc_init();
int dmarc_store_data(header_line *);
int dmarc_process();
uschar *dmarc_exim_expand_query(int);
uschar *dmarc_exim_expand_defaults(int);
int dmarc_init();
int dmarc_store_data(header_line *);
int dmarc_process();
uschar *dmarc_exim_expand_query(int);
uschar *dmarc_exim_expand_defaults(int);