| SYNOPSIS | 
#include <dkim.h>
DKIM_STAT dkim_atps_check(
	DKIM *dkim,
	DKIM_SIGINFO *sig,
        struct timeval *timeout,
        dkim_atps_t *res
);
Perform an Authorized Third Party Signer query regarding a signature. | 
|---|
| DESCRIPTION | 
| Called When | dkim_atps_check() is called after
    dkim_eom() to check for
    Authorized Third Party Signer status for the signing domain.  This
    involves a DNS query to the sender's domain to ask it if the domain
    that signed the message is an authorized third-party signer. |  | 
|---|
| ARGUMENTS | 
    | Argument | Description | 
|---|
 | dkim | Message-specific handle, returned by
        dkim_verify. |  | sig | Signature handle naming the domain that is being tested for
	authorized third-party signer status. |  | timeout | A pointer to a struct timeval that tells this call
        how long it should wait for a reply.  A value of NULL will use
	the default library DNS timeout. |  | res | A pointer to a dkim_atps_t that will receive the result
	of this query. |  | 
|---|
| RETURN VALUES | 
    | Value | Description | 
|---|
 | DKIM_STAT_CANTVRFY | The query could not be initiated or completed. |  | DKIM_STAT_MULTIPLEDNSREPLY | More than one reply was returned. |  | DKIM_STAT_OK | Successful completion. |  | 
|---|
| NOTES |  |