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  • MaggieBrennan's avatar
    MaggieBrennan
    Community Manager

    There are five major requirements slated to occur in connection with Gmail and Yahoo Mail's new rules: 

    1. One-click unsubscribe (RFC 8058) via the list-unsubscribe header is required for all commercial/promotional emails.
    2. There are now published spam complaint rate guidelines.
    3. Unsubscribes must be processed within two days.
    4. Senders must have valid email authentication. Any bulk (one-to-many) sender must have valid Sender Policy Framework (SPF), Domain Keys Identified Mail (DKIM), and Domain-Based Message Authentication, Reporting, and Conformance (DMARC) records.
    5. Senders must have valid PTR (FCrDNS) records