Understanding Domain Authentication and Deliverability

Amplemarket Dev
Amplemarket Dev
  • Updated

Importance of Domain Authentication

Domain authentication ensures your emails are delivered to your recipients' inboxes instead of their spam folders. It builds trust with email providers, reducing the risk of your emails being marked as spam or fraudulent. Proper domain authentication improves your email deliverability and reputation.


  • SPF (Sender Policy Framework): SPF allows domain owners to specify which mail servers are permitted to send emails on behalf of their domain. This helps prevent spammers from sending emails that appear to come from your domain.
  • DKIM (DomainKeys Identified Mail): DKIM adds a digital signature to your emails, allowing the recipient's email server to verify that the email was indeed sent and authorized by the owner of that domain. It helps ensure the email hasn't been tampered with in transit.
  • DMARC (Domain-based Message Authentication, Reporting & Conformance): DMARC builds on SPF and DKIM by providing a way for domain owners to specify how email providers should handle unauthenticated emails. It also generates reports that help domain owners monitor and improve email authentication practices.

Email Provider

An email provider offers services to send, receive, and manage emails. They manage the infrastructure needed to send emails reliably and at scale.

To set up SPF, DKIM, and DMARC, you typically need to access settings in your email provider's platform to generate and implement the necessary records.

Domain Registrar

A domain registrar is a company that manages the reservation of internet domain names. They help you register and maintain your domain name (e.g., yourcompany.com). Popular registrars include GoDaddy, Namecheap, and Cloudflare.

To set up SPF, DKIM, and DMARC, you will need to log into your domain registrar's control panel to add the necessary DNS records that authenticate your domain.

DNS (Domain Name System)

DNS translates domain names (like yourcompany.com) into IP addresses that computers use to identify each other on the network. It's like the internet's phonebook, ensuring that when someone types your domain name, they are directed to your website or email server.

DNS is crucial for setting up SPF, DKIM, and DMARC, as you need to add specific DNS records that define your email authentication policies.

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