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Agari vs GreatHorn

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AgariEmail Security
GreatHornEmail Security
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Email Security

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Email Security

Overview
Focus
Email Security
Email Security
Product
Fortra-owned email security platform using identity-based detection to protect against business email compromise, phishing, and brand impersonation.
Cloud-native email security for Microsoft 365 and Google Workspace using relationship analytics to stop spear phishing and BEC.
Headquarters
Foster City, California
Waltham, Massachusetts
Company size
201-500 employees
51-200 employees
Founded
2009
2015
Pricing details
Source updated
Oct 29, 2026
Oct 29, 2026

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Email Security