“Technologies recommended in support of core Simple Mail Transfer Protocol (SMTP) and the Domain Name System (DNS) include mechanisms for authenticating a sending domain: Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM) and Domain based Message Authentication, Reporting and Conformance (DMARC).”

Our DMARC deployment experts often hear from customers about email from mailing lists not being delivered. Have you run up against this challenge in your DMARC project?