Compliance Requirements

Understand email authentication requirements for PCI DSS, Google & Yahoo bulk sender rules, and industry regulations.

Google/Yahoo Bulk Sender Requirements

Google and Yahoo Email Sender Requirements

February 2024 email authentication requirements from Google and Yahoo. SPF, DKIM, DMARC compliance guide for bulk senders.

Effective: January 31, 2024

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PCI DSS 4.0

DMARC Compliance for PCI DSS 4.0

Meet PCI DSS 4.0 Requirement 5.4.1 with DMARC. Implementation guide and compliance checklist for payment processors.

Effective: March 30, 2025

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Key Compliance Deadlines

PCI DSS 4.0

March 31, 2025

DMARC with p=reject required for all entities processing payment card data.

Google & Yahoo

Now Enforcing

Bulk senders (5,000+ emails/day) must have DMARC, SPF, and DKIM configured.

Related Resources

Setup Guides

Step-by-step instructions for DMARC, SPF, and DKIM configuration.

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State of Email Auth Report

Industry benchmarks and adoption trends for email authentication.

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Email Auth Health Check

Check your compliance status with our free tool.

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