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Gracjan Kasprzyk
Gracjan Kasprzyk, HubSpot consultant

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Marketing 2026-07-21

HubSpot email authentication 2026: DKIM, SPF, DMARC setup

Set up HubSpot Marketing Email authentication in 2026: the two DKIM CNAME records, SPF, DMARC, and the "delivered" trap that hides emails from inboxes.

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