| DESCRIPTION | 
| Purpose | A dkim_query_t is a value from an enumerated list of the possible
    key query algorithms available.  It is typically determined by parsing
    the q= portion of a received signature when verifying an
    arriving message.  However, by using
    dkim_options(), the caller can
    force a particular query method. |  
| Possible Values | 
 DKIM_QUERY_DNS -- use the DNS TXT record binding defined by
     the DKIM specification (the default)
 DKIM_QUERY_FILE -- read keys from a local file; intended for
     debugging or experimental use only
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