Fortinet vs Perimeter 81: Email Security Comparison (2026)
An independent side-by-side comparison of Fortinet and Perimeter 81 for email security buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask email security questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Too early to call — probes still building data.
ChatGPT
Fortinet
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No data yet
Perimeter 81
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No data yet
Perplexity
Fortinet
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No data yet
Perimeter 81
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No data yet
Gemini
Fortinet
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No data yet
Perimeter 81
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No data yet
Claude
Fortinet
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No data yet
Perimeter 81
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No data yet
Copilot
Fortinet
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No data yet
Perimeter 81
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No data yet
Scale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Fortinet
Feature data is being indexed.
Perimeter 81
Feature data is being indexed.
When to choose Fortinet
Choose Fortinet if your team prioritizes its strengths over Perimeter 81's. Full guidance populates as Fortinet's feature data is indexed.
When to choose Perimeter 81
Choose Perimeter 81 if your team prioritizes its strengths over Fortinet's. Full guidance populates as Perimeter 81's feature data is indexed.