Additional Sources of DKIM Information
For more information about DKIM, go to:
- 
            Wikipedia: Domain Keys Identified Mail 
- 
            See also the DKIM specifications: RFC 6376 DomainKeys Identified Mail (DKIM) Signatures. 
          Tip: 
          
        Consider setting up a DMARC policy record for your company’s entire email infrastructure. See the subtopic Domain-based Message Authentication, Reporting and Conformance (DMARC) in Email Best Practices.