Learn about email authentication protocols.

Email authentication is a technical solution that allows mailbox providers and email recipients to confirm the identity of senders and the legitimacy of emails.

There are 3 email authentication methods that you should set up to maximize your email deliverability:

  1. SPF (Sender Policy Framework)
  2. DKIM (Domain Keys Identified Mail)
  3. DMARC (Domain Message Authentication Reporting and Conformance)

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