| NOTES | The policy results described above correspond to the draft DKIM
sender signing practises policy procedures.  Detailed descriptions, with
the algorithm steps indicated in square brackets, are included here. 
DKIM_PRESULT_NONE is returned if no policy check has been done
    yet for the message.
DKIM_PRESULT_NXDOMAIN is returned if the policy check was done
    and it was discovered that the author's domain does not exist.
DKIM_PRESULT_FOUND is returned if the policy check has been
    done and a policy at the author's domain was found and returned.
 |