Look up and analyze the DMARC (Domain-based Message Authentication, Reporting, and Conformance) record for any domain. DMARC ties SPF and DKIM together and tells receivers what to do with failing messages. Updated for DMARCbis (RFC 9989): it flags the deprecated pct tag and checks for the new np tag.
SMTPfast configures SPF, DKIM, and DMARC for your domains automatically so your emails reach the inbox.
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