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DMARC changed in 2026: DMARCbis shipped as RFC 9989, 9990, and 9991, replacing RFC 7489 from 2015. I break down the new np and t tags, the retired pct tag, and the DNS Tree Walk, plus the exact record edits cold email senders should make this year.

Learn how to set up a DKIM record in GoDaddy with this complete 2025 guide. Step-by-step easy instructions, common fixes, and verification tools.