IPv6 sender, no DKIM/SPF pass (reputation-bypass)
ipv6-no-reputation-no-dkim
What this tier means
High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.
How Gorganizer detects this
Sender connected over IPv6 but the message has neither DKIM=pass nor SPF=pass in the Authentication-Results header. Spamhaus and other reputation providers have notoriously thin IPv6 coverage — attackers route through IPv6 specifically to escape DNSBL lookups. Combined with no authentication pass, this indicates a deliberate reputation-bypass attempt or an unauthenticated brand-new origin.
False-positive guard
Every signal in Gorganizer feeds a multi-module score — never a sole verdict. This is a threat-tier signal — it adds a strong contribution to the trash score. The full pipeline still requires convergence across multiple modules + a margin over the safety floor before deletion happens, and Gmail's trash (30-day recovery) is always used — never permanent delete.
About the scoring engine
Gorganizer's scoring engine emits 2,143+ signals across six modules — headers, sender, subject, body, attachments, and structural metadata. Every email is scored by every module independently; the final verdict requires multiple modules to agree and the trash score to beat the safety floor by a margin.
Sacred safety guards — never delete starred emails, replies, calendar invites, receipts/invoices, or attachments — apply unconditionally regardless of any signal.
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