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Case Study: JR West Protects 13 Million Customers — Combining DMARC Enforcement and BIMI for Enhanced Security and Trust
To counter phishing attacks targeting its 13 million users, JR West enforced strict DMARC policies and adopted BIMI/VMC, successfully reducing spoofed emails and displaying official logos in inbox displays.
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West Japan Railway Company (JR West) faced growing phishing threats targeting its 13-million-user "WESTER ID" platform, requiring a fundamental technical solution.
Through in-house collaboration, JR West audited its email systems and progressively upgraded its DMARC policy to "reject" over two years, resulting in a dramatic drop in spoofed emails. In May 2026, the company adopted BIMI/VMC to display its official logo directly in recipient inboxes, successfully combining robust security with visual reassurance for its customers.
For more details, please visit：https://brandsecurity.gmo/en/works/000017/
