Originally published at How SmugMug Strengthened Email Authentication and Deliverability with EasyDMARC by Sona Mirzoyan. About the Customer Company: SmugMug Industry: Image Hosting ... The post How SmugMug Strengthened Email Authentication and Deliverability with EasyDMARC appeared first on EasyDMARC.

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SmugMug, the paid image hosting platform that also owns Flickr, faced limited visibility into email authentication and deliverability risks. Without proper DMARC enforcement, legitimate transactional and security emails risked being routed to spam as Google and Yahoo tightened requirements for high-volume senders. SmugMug adopted EasyDMARC to centralize DMARC record management and used EasySPF to flatten overly complex SPF records that were exceeding DNS lookup limits. Onboarding involved a gradual policy ramp-up of ~10% per day over two weeks. Post-implementation results included higher inbox placement rates, reduced domain impersonation, and improved reliability for critical security and account emails.

How SmugMug Strengthened Email Authentication and Deliverability with EasyDMARC

The Challenge: Limited Visibility and Increased Deliverability Risk

The Solution: Centralized DMARC Management and Simplified SPF Control

The Results: Improved Deliverability and Stronger Email Security