# Email spam/phishing detection

Classify emails as ham, spam, or phishing using content analysis and sender authentication to protect inboxes.

Grade: S — Top tier. Meets A, and the payoff is major with high confidence.. Score: 5.91.

Vertical: Cross-industry.

Function: Knowledge work.

Status: Seen in the wild.

Volume: high.

Value: major.

Risk: high.

Evidence: described plan.

Flags: human-review.

- [Source](https://altcha.org/docs/v2/sentinel/use-cases/email-spam-filter)
- [Vertical](/verticals/cross_industry/)
- [Function](/functions/knowledge_work/)
- [Jev decision primitive use cases](/use-cases/jev-decision-primitive-use-cases/)
- [AI inbox router that logs invoices, flags fraud, and drafts replies](/use-cases/ai-inbox-router-that-logs-invoices-flags-fraud-and-drafts-replies/)
- [Safe AI Email Triage: Extract, Classify, Route with Confidence Gates](/use-cases/safe-ai-email-triage-extract-classify-route-with-confidence-gates/)
- [AI email tag classification and routing](/use-cases/ai-email-tag-classification-and-routing/)
- [Context-switch cost gauge](/use-cases/context-switch-cost-gauge/)
- [Live meeting commitment spotter](/use-cases/live-meeting-commitment-spotter/)