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ThreatOther

Body link routes through a known open-redirect endpoint (google.com/url, l.facebook.com/l.php, etc.) — visible URL trustworthy, destination is not

href-open-redirect

What this tier means

High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.

How Gorganizer detects this

A body link routes through a known open-redirect endpoint on a trusted host. Phishing kits chain through `google.com/url?q=...`, `l.facebook.com/l.php?u=...`, `l.linkedin.com/?url=...`, `t.umblr.com/redirect?z=...`, and `youtube.com/redirect?q=...` so the visible URL the user hovers over shows google.com / facebook.com / linkedin.com — but the actual landing page is the attacker-controlled site in the query parameter. Mail filters and the user's own URL hover both show the trusted host; only inspecting the query string reveals the destination. The detection is allowlist-based — only the small set of major redirector endpoints whose abuse has been documented in public phishing reports — to avoid over-firing on legitimate Google search results and newsletter tracking wrappers. Weighted at +3, pairs with other phishing signals (display-name-spoof, urgency-bait) without solo-deciding because the redirector hosts themselves send legitimate click-through notifications.

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 over 1,800 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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