Happy 20th birthday Gmail, you're mostly grown up – now fix the spam
ID: 624f078b-0564-53ee-9d82-bb13673321dc
STIX ID: report--624f078b-0564-53ee-9d82-bb13673321dc
Feed Name: The Register (Security)
Google marked Gmail’s 20th anniversary by enforcing stricter bulk sender requirements to curb spam, including mandatory SPF or DKIM authentication and alignment, one-click unsubscribe, complaint-rate thresholds (~0.3%), proper headers, valid DNS, RFC 5322-compliant formatting, and TLS. Noncompliant senders will receive temporary error codes to aid remediation, with gradual enforcement beginning now; the policies apply to personal Gmail accounts, not Google Workspace.
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