Proofpoint vs Sublime Security: Email Security Comparison (2026)
An independent side-by-side comparison of Proofpoint and Sublime Security for email security buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each vendor is cited by major AI engines when real buyers ask email security questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.
Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.
Pricing
Key Features
Feature data is being indexed.
Feature data is being indexed.
When to choose Proofpoint
Choose Proofpoint if your team prioritizes its strengths over Sublime Security's. Full guidance populates as Proofpoint's feature data is indexed.
When to choose Sublime Security
Choose Sublime Security if your team prioritizes its strengths over Proofpoint's. Full guidance populates as Sublime Security's feature data is indexed.