Security & Compliance
Email Security
Tools for detecting, preventing, and investigating email-based threats such as phishing and malicious messages.
Best Email Security tools by public signals
These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.
Use Case Rankings
Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | sublime-rules Sublime rules for email attack detection, prevention, and threat hunting. | 92 | 87 | OSI-approved OSS | 373 | 90 | Active |