Some DMARC questions answered, as deadlines near

Major email providers (Google, Yahoo, Apple) are tightening enforcement of email authentication standards—SPF, DKIM, and especially DMARC—requiring bulk senders to implement proper policies or risk rejection. The piece explains why many organizations lack DMARC (awareness gaps and configuration complexity), recommends starting with a “p=none” policy to audit senders via DNS TXT records, and stresses inventorying all legitimate sending sources (including legacy and SaaS systems) to avoid blocking valid mail amid rising phishing volumes and stricter provider policies.