What are Gmail’s bulk sender requirements (Feb 2024)?

Gmail's bulk sender requirements effective February 2024 mandate comprehensive email authentication (SPF, DKIM, DMARC), one click unsubscribe functionality, and complaint rates below 0.3%. These apply to senders delivering 5,000 or more daily messages to Gmail addresses.

Additional requirements include valid reverse DNS for sending IPs, TLS encryption for message transmission, properly formatted From headers, and compliance with RFC standards. Gmail expects messages to align authentication domains with the visible From address.

Enforcement began with warnings and soft filtering, escalating to harder blocks for persistent non compliance. Gmail framed these requirements as baseline expectations that legitimate senders already meet, positioning compliance as straightforward for professional email programs.

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