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What is DKIM?

DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged sender addresses in email, a technique often used in phishing and email spam. DKIM allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain.

Configure DKIM

Do this for each of the domains you will use for cold emails.

  1. From the Zoho Admin Console navigate to:
  2. Domains
  3. Select the domain you want to update
  4. Select ‘Email Configuration’
  5. Select ‘DKIM’
  6. In your DNS provider (e.g. Cloudflare), within DNS configuration, add a text record with the MX information provided by Zoho e.g.: