[GangcaiLin]

There is a new standard called Authenticated Received Chain (ARC) designed specifically to address the DMARC authentication failure issue caused by mailing lists. Basically what ARC does is to preserve SPF/DKIM authentication results, and use them to override DMARC authentication result when deemed appropriate. There is a Quora post here for a more detailed explanation: https://www.quora.com/What-is-Authenticated-Received-Chain-A....