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Authentication, Reporting & Conformance) is an email authentication policy that builds on SPF and DKIM. It tells mailbox providers what to do when an email fails

™ Intelligent Deliverability Center puts SPF, DKIM, DMARC, blacklists, complaints, engagement and sender reputation on a single page — scored 0 to 100

— SPF, DKIM, DMARC, blacklist status, spam complaints, engagement and sender reputation — lives on a single page. You see one Global Score from 0 to 100, a

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strong privacy and GDPR alignment. SPF configurationAuthorize Mailpro to send for your domain with one DNS line. DKIM configurationCryptographically sign every

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What is ARC (Authenticated Received Chain)? ARC (Authenticated Received Chain) is an email-authentication standard that preserves the results of SPF, DKIM and

What is DMARC? DMARC (Domain-based Message Authentication, Reporting and Conformance) is the policy layer that sits on top of SPF and DKIM. It lets you publish

standard that ties SPF and DKIM together and tells receiving servers what to do when a message fails authentication. Without DMARC, attackers can still spoof your

packets. For email, DNS holds the records that prove who you are and authorise who sends on your behalf — SPF, DKIM, DMARC, BIMI, MX and reverse PTR all live as DNS