Hi, Could someone let me know, is querying the policy record essential for DKIM at verification side as DKIM is derived from Domainkeys?
In RFC 4871, usage of policy record was not clearly mentioned. But in section 6.3, the RFC says "when communicating with a peer who, by prior agreement, agrees to only *send signed messages*" and in section 8.4, RFC says "A second security issue related to the DNS revolves around the increased DNS traffic as a consequence of fetching selector-based data as well as *fetching signing domain policy*." So, i'm not sure whether the policy record in DNS TXT record in _domainkey.<domain_name> need to be queried for DKIM? Thanks, Deiva Shanmugam
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