Merck & Co. Chooses Agari DMARC Protection


This case study of Merck & Co. Inc. is based on an April 2018 survey of Agari customers by TechValidate, a third-party research service.

We were able to increase customer trust and dramatically reduce the number of phishing attacks by using Agari DMARC Protection. We were able to protect our domains and products from brand abuse. We ended up rejecting 80K emails using DMARC policy.


Merck & Co. evaluated and ultimately selected Agari DMARC Protection to:

  • Protect employees against business email compromise or executive spoofing attacks that use their email domain
  • Protect against domain spoofing mails and spam
  • Control authorized email marketing vendors

Use Case

The key features and functionalities of Agari that Merck & Co. finds most valuable include:

  • DMARC, SPF, DKIM Email Authentication Policy Management
  • Third-Party Email Sender Discovery, Management & Governance
  • Visibility, Forensics & Threat Intelligence
  • Brand Abuse Monitoring

Before selecting Agari, Merck & Co. also evaluated the following vendors:

  • DMARC Analyzer
  • An in-house solution

Merck & Co. reported having problems with targeted inbound email attacks.


Merck & Co. achieved the following results with Agari:

  • Protection against new phishing attacks using look-alike domains
  • Email governance, compliance, and prevention of shadow IT
  • Protection of newly acquired domains (i.e. defensive, M&A)
  • Detection and management of new third-party email senders for their domains
  • Management of senders

Merck & Co. rated Agari’s DMARC Protection detection and prevention capabilities as follows:

  • Achievement of authentication goals: Significantly better than the competition
  • Ease of use: Better than the competition
  • Reporting & forensics: Better than the competition
  • Third-party sender management: Better than the competition
  • DMARC expertise: Better than the competition


Source: Satheerthan Nair, IT Architect, Merck & Co., Inc.
Research by TechValidate 



  • Pharmaceuticals

Company Size:

  • Global 500


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