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Navigate Bulk Sender Requirements with Amazon SES

Messaging & Targeting Blog



The article discusses Microsoft's new bulk sender requirements for email communication, set to be enforced on May 5, 2025, aimed at improving email authentication and reducing spam.

  • Key requirements include:
    • DMARC enforcement
    • Sender domain authentication (SPF, DKIM)
    • Functional unsubscribe links
    • Deliverable From and Reply-to addresses
  • Best practices for compliance:
    • Implement strong email authentication
    • Optimize email content
    • Monitor bounces and complaint rates
    • Maintain list hygiene
  • Amazon SES offers tools to help meet these requirements, including:
    • Authentication support
    • Comprehensive monitoring
    • Compliance tools

The changes aim to enhance email trust, improve deliverability, and provide users more control over their inboxes.



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