fda.gov - Email Domain Verification & Deliverability Report

The domain fda.gov belongs to the U.S. Food and Drug Administration (FDA), a federal agency within the Department of Health and Human Services. Based in Silver Spring, Maryland, the FDA is responsible for protecting public health by regulating food safety, pharmaceuticals, medical devices, biologics, cosmetics, and tobacco products in the United States.

As a federal .gov domain, fda.gov complies with CISA Binding Operational Directive 18-01, mandating DMARC, SPF, and DKIM. The FDA is frequently targeted by phishing campaigns, especially those involving fake drug approvals, medical device recalls, or counterfeit pharmaceutical schemes that exploit the agency's regulatory authority.

FDA mail servers do not function as catch-all systems. The SMTP infrastructure rejects messages to nonexistent recipients at the connection level. Given the volume of legitimate correspondence the FDA handles from regulated industries, its servers employ greylisting, rate limiting, and strict sender validation.

Successful email delivery to fda.gov requires full authentication compliance. HHS-managed federal email gateways apply rigorous content filtering, malware scanning, and sender reputation evaluation. Senders must maintain correctly configured SPF, DKIM, and DMARC records for reliable delivery to FDA addresses.

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