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Introduction Email deliverability is a critical aspect of any successful email marketing campaign. To ensure that your emails reach your recipients’ inboxes and avoid being marked as spam, it’s essential to implement authentication protocols such as DomainKeys Identified Mail (DKIM) and Domain-based Message Authentication, Reporting, and Conformance (DMARC). In this blog post, we’ll walk you through the process of setting up DKIM and DMARC records for your domains in Amazon Simple Email Service (SES). Understanding DKIM and DMARC Before we dive into the setup process, let’s briefly understand what DKIM and DMARC are and why they’re important. DKIM DKIM is an email authentication technique that allows the receiving mail server to verify that an email was sent from an authorized source. It does this by adding a digital signature to the email header, which the receiving server can then verify against the sender’s public key published in the Domain Name System (DNS). DMARC DMARC is an email authentication protocol that builds upon Sender Policy Framework (SPF) and DKIM. It provides a way for email receivers to determine if the email is legitimate and what actions to take if it fails the authentication checks. DMARC helps prevent email spoofing and phishing attacks by allowing domain owners to specify how receiving mail servers should handle unauthenticated emails purporting to be from their domain. Setting up DKIM and DMARC in Amazon SES To set up DKIM and DMARC for your domains in Amazon SES, follow these steps: Step 1: Verify Your Domains in Amazon SES Before you can enable DKIM and DMARC, you need to verify your domains in Amazon SES. This process involves adding a TXT record to your DNS settings to prove that you own the domain. You can find detailed instructions on verifying domains in the Amazon SES documentation. Step 2: Enable DKIM in Amazon SES Step 3: Enable DMARC in Amazon SES Step 4: Validate Your DKIM and DMARC Configurations After setting up the required DNS records, it’s essential to validate your DKIM and DMARC configurations to ensure that they’re working correctly. You can use various online tools and services to test your email authentication setup. Ensuring Client Access to DNS Settings To complete the DKIM and DMARC setup process, you’ll need access to your client’s DNS settings. Ensure that your client provides you with the necessary credentials or permissions to manage their DNS records. This typically involves accessing the DNS management interface provided by their domain registrar or DNS hosting service. Conclusion Setting up DKIM and DMARC for your domains in Amazon SES is crucial for maintaining a good email reputation and ensuring that your emails reach their intended recipients. By following the steps outlined in this blog post, you can enhance the deliverability and authenticity of your email campaigns. Remember to validate your configurations and provide your clients with the necessary information to access their DNS settings. Additional Resources Summary Table Here’s a summary table of the steps involved in setting up DKIM and DMARC in Amazon SES: Step Action 1 Verify your domains in Amazon SES 2 Enable DKIM in Amazon SES 3 Enable DMARC in Amazon SES 4 Validate your DKIM and DMARC configurations 5 Ensure client access to DNS settings By following these steps and implementing DKIM and DMARC, you can enhance the trustworthiness and deliverability of your email campaigns, ultimately improving your overall email marketing performance.