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The DMARC Record a Small Business Should Publish First (and When to Tighten It)

If your business sends mail from its own domain ( you@yourbusiness.com ), three DNS records do the authentication work: SPF, DKIM and DMARC.

  • Add DMARC TXT record with v=DMARC1; p=none; rua=mailto:dmarc-reports@yourbusiness.com
  • Set p=none for monitoring mode, do not block or move messages
  • Ensure SPF and DKIM are configured before tightening DMARC settings

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