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How to achieve DMARC alignment with ESPs?

Achieving DMARC alignment with Email Service Providers (ESPs) varies depending on the provider's requirements and methods for SPF and DKIM record configuration. Here’s a general guide to help you ensure proper DMARC alignment:

1. General Approach

To achieve DMARC alignment, you need to configure SPF and DKIM records provided by your ESP in your DNS portal. This setup allows you to authenticate emails sent from your domain and improve deliverability.

2. Configuration by ESP Type

  • Major Providers (e.g., Google, Microsoft):

    • SPF Records: Use the include: mechanism provided by the ESP. This includes the ESP’s IP addresses in your domain's SPF record.
    • DKIM Records: Provided as either a TXT or CNAME record. Implement the DKIM record exactly as specified to ensure email signatures align with your domain.

  • Bulk Sending ESPs (e.g., SendGrid, MailGun):

    • SPF Records: Often configured using CNAME records at a subdomain level.
    • DKIM Records: Typically provided as CNAME records.
    • Additional Records: Some ESPs may also require TXT verification and MX records for bounce handling.
    • Additional Information: Some ESPs may only provide DKIM records and not support SPF alignment, which is standard for certain services.

3. EasyDMARC Support

  • Comprehensive Guide: EasyDMARC offers an extensive guide with over 1,400 identified email sources visible in DMARC aggregate reports. Customers can click the gear icon to get detailed instructions on adding SPF and DKIM records specific to their ESP.

  • Knowledge Base: Access more than 150 articles with step-by-step instructions and screenshots on configuring SPF and DKIM for various ESPs at EasyDMARC Knowledge Base.

By following these guidelines and utilizing EasyDMARC's resources, you can ensure proper DMARC alignment and enhance your email security and deliverability.