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How SPF, DKIM, and DMARK work in your Email Flow

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  • SPF (Sender Policy Framework):
    • SPF enables domain owners to designate authorized mail servers for sending emails on their behalf.
    • The SPF record, found in DNS, enumerates the permitted IP addresses for sending emails on the domain’s behalf.
  • DKIM (DomainKeys Identified Mail):
    • DKIM digitally signs email messages to validate the sender’s authenticity.
    • It aids in combating content forgery and bolstering recipient confidence.
  • DMARC (Domain-based Message Authentication, Reporting, and Conformance):
    • DMARC authenticates emails sent from your email address.
    • To achieve DMARC authentication success, emails must pass SPF or DKIM authentication and exhibit domain alignment in the “From:” field.

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