Best Email Security for enterprise

Ranked by AI-assistant recommendations, with breadth of integrations and documented capabilities weighted up. We ask ChatGPT, Claude, Perplexity, Gemini and Copilot real buyer questions every hour and record which brands they name.

1. #1Proofpoint

   67.7% AI citation rate(31 questions)
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2. #2Barracuda

   58.1% AI citation rate(31 questions)

   AI-powered platform for cybersecurity · Protects email, data, and applications · Comprehensive threat detection and response

   Transparent pricing with no hidden fees · 24/7 technical support available

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3. #3Mimecast

   61.3% AI citation rate(31 questions)
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4. #4Abnormal Security

   29% AI citation rate(31 questions)
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5. #5IRONSCALES

   22.6% AI citation rate(31 questions)

   Integrations listed:

   2

   AI-Powered Phishing Detection · Adaptive AI Autonomous Remediation · Comprehensive Email Security

   Fast and easy deployment · Hands-free threat remediation

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6. #6Vade

   12.9% AI citation rate(31 questions)

   Integrations listed:

   4

   Adaptive Cyber & Email Security · Anti-Phishing & Spear Phishing · Anti-Malware & Ransomware

   Comprehensive email security · Real-time threat detection

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7. #7Cofense

   16.1% AI citation rate(31 questions)

   AI-driven campaign detection · Human-validated threat intelligence · Automatic quarantine of threats

   Effective against phishing campaigns · Quick remediation process

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8. #8Agari

   3.2% AI citation rate(31 questions)

   Integrations listed:

   3

   AI and threat intelligence integration · Automated email threat response · DMARC policy management

   Comprehensive email threat protection · Automated remediation of threats

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9. #9Avanan

   0% AI citation rate(31 questions)

   Integrations listed:

   7

   AI-powered threat prevention · Data loss prevention · Full security wherever you work

   Advanced AI for accurate threat detection · Helps reduce SOC overload

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10. #10Tessian

    9.7% AI citation rate(31 questions)

    AI-powered email threat detection · Prevent data loss over email · Integrated email security solutions

    Comprehensive defenses against phishing threats · Advanced AI for email security

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