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Sendmarc has released a fireside chat with Todd Herr, co-editor of DMARCbis and Principal Solutions Architect at GreenArrow Email, discussing the upcoming update to the DMARC email authentication standard. The conversation covers how DMARCbis (draft-ietf-dmarc-dmarcbis-41) evolves rather than revolutionizes the existing RFC 7489, with key updates including record tag clarifications, clearer reporting expectations, and a standardized DNS tree walk for receiver-side policy discovery. The discussion also addresses major mailbox providers like Google, Microsoft, and Yahoo tightening sender requirements around DMARC, SPF, and DKIM, and corrects the misconception that publishing a DMARC record alone guarantees inbox delivery.

Sendmarc Releases DMARCbis Fireside Chat Featuring Co-Editor Todd Herr