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Why this leading US retailer switched from Agari to Red Sift OnDMARC

A leading US retailer migrated its account without downgrading from a reject policy and uncovered email security errors that its previous vendor, Agari, had missed.

leading us retailer

Key results

  • Migration completed without downgrading from a reject policy
  • Identification and correction of SPF policy and sender errors
  • Intuitive interface with customizable views for domain management

Meet the company

This customer is one of the largest retail companies in the United States, with over 1,100 stores and 10,000+ employees, operating across 38 states and Puerto Rico. As an organization spanning retail, insurance, and healthcare, the company requires DMARC to stay compliant with regulations like PCI and HIPAA while protecting customer data and business operations.

The challenge: achieving clear, domain-level visibility in email security

When the time came to renew this company’s contract with Agari, the Sr. Systems Administrator realized the solution no longer provided the value or ease of use his team required. For an organization of this size, managing complex email security policies across multiple domains requires absolute clarity and control. However, Agari’s interface often buried critical security insights, making day-to-day management challenging and time-consuming.

The company needed a streamlined, domain-focused DMARC application to simplify these processes, making it easier to review, manage, and refine policies while ensuring emails remained secure and compliant.

After evaluating several options, they chose Red Sift OnDMARC for its ability to deliver the domain-level clarity, ease of use, and comprehensive support the company required.

Uncompromised security and hands-on support: Seamless migration to Red Sift OnDMARC

One of the biggest challenges in switching DMARC providers is the potential lapse in email protection during the transition. However, with assistance from Red Sift, the company was able to transition to Red Sift OnDMARC across all domains without downgrading its policy from full enforcement (p=reject).

Red Sift’s Customer Success team carefully staged the migration by pre-configuring all necessary policies and replicating settings across 80 domains, ensuring that the new environment was fully prepared before the switch. This meticulous setup allowed the company to maintain uncompromised security throughout the process, keeping their policy at the strictest level without disruption.

“Red Sift’s support felt like an extension of our team—something we didn’t experience with Agari.”
Sr. Systems Administrator

Red Sift’s Customer Success team was instrumental in making this seamless migration possible, providing proactive, hands-on support that stood in stark contrast to Agari. From the initial stages, Red Sift’s team helped the company review and replicate policies, resolve technical challenges, and optimize configurations to fit their complex environment. The Sr. Systems Administrator noted, “Red Sift’s support felt like an extension of our team—something we didn’t experience with Agari.”

He also noted that Red Sift OnDMARC’s cohesive design made it stand out from other vendors. “Of the three other companies I considered, Red Sift stood out as the only solution with a truly unified interface. With Agari, it felt like a collection of different tools patched together in one place - functional, but disjointed. Red Sift, on the other hand, brought everything together seamlessly in one cohesive view.”

Exposing hidden gaps: Red Sift delivers critical insights Agari missed

One of the key reasons the company chose Red Sift OnDMARC was for its highly customizable, domain-focused interface, which enabled the Sr. Systems Administrator to manage each domain and subdomain with ease and precision. “The ability to customize, filter, and view our data in different ways has been a game-changer. Whether I'm examining DMARC records, email sources, or specific configuration alerts, I can quickly apply or create custom filters for deeper insights,” he shared. “By contrast, Agari’s interface felt static and cumbersome, lacking the ability to inspect our data from different viewpoints.”

“As we transferred over SPF and DMARC policies, we discovered several domains with misidentified sources. We assumed emails were being delivered, but they were actually being quarantined. OnDMARC’s reporting flagged this right away, while Agari’s reporting had buried it in the details.”
Sr. Systems Administrator

This visibility revealed critical insights that Agari had missed. The Sr. Systems Administrator recalled, “As we transferred over SPF and DMARC policies, we discovered several domains with misidentified sources. We assumed emails were being delivered, but they were actually being quarantined. OnDMARC’s reporting flagged this right away, while Agari’s reporting had buried it in the details.” With Red Sift OnDMARC, he was able to quickly identify and correct these issues, tightening policies and significantly improving deliverability for legitimate mail. In a high-stakes setting like this, Red Sift’s user interface is more than a convenience–it’s critical for spotting and addressing vulnerabilities before they escalate.

The intuitive design of OnDMARC also streamlined team training, allowing members at various technical levels to access, interpret, and manage compliance with minimal instruction. “When I’m training other people on my team, I’m explaining where the benefits are rather than the quirks. When Agari was in the mix, I was explaining where all the quirks were,” he remarked.

Why this leading US retailer recommends Red Sift

For this company, choosing Red Sift was an investment in both ease of use and depth of control - qualities they found lacking in Agari’s platform. “Red Sift offers the kind of granular insight and usability that’s essential in a security tool. With OnDMARC, I can see exactly where our policies are effective and where they need improvement, which lets us focus on high-priority issues,” the Sr. Systems Administrator concluded. “In comparison to Agari, Red Sift allows you to take a deeper dive into how email is functioning across each individual domain, giving us the insights we need to stay secure and compliant as we grow.”

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