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Messageware EPG is a commercial email security platforms tool by Messageware. TrustLayer Mail is a commercial email security platforms tool by TrustLayer. Compare features, ratings, integrations, and community reviews side by side to find the best email security platforms fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise teams running on-premises Exchange Server need Messageware EPG for its protocol-level attack detection, which stops both high-volume brute force and low-volume targeted password guessing that Active Directory lockout thresholds miss entirely. The independent lockout system reduces help desk friction while real-time monitoring across nine Exchange protocols catches threats at the gateway before they reach mailboxes. Skip this if you've already migrated to Microsoft 365; EPG is built for hybrid or fully on-premises deployments and won't add value in cloud-only environments.
Mid-market and enterprise security teams managing Microsoft 365 will get the most from TrustLayer Mail because it blocks inbound threats without forcing MX record changes, cutting through the deployment friction that kills most email security projects. Click-time URL scanning catches phishing that gateway filters miss, and the compliant archiving with eDiscovery eliminates the need for a separate archive tool. Skip this if you need on-premises Exchange support or are heavily invested in third-party email systems; TrustLayer's strength is specifically in 365 environments where transport rules and connectors handle the heavy lifting.
On-premises Exchange Server security tool for protocol-level threat detection.
Email security platform with inline threat protection and compliant archiving
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Common questions about comparing Messageware EPG vs TrustLayer Mail for your email security platforms needs.
Messageware EPG: On-premises Exchange Server security tool for protocol-level threat detection. built by Messageware. headquartered in Canada. Core capabilities include Real-time logon monitoring and analysis across nine Exchange messaging protocols, High-Volume Attack (HVA) detection and blocking to prevent brute force attacks and AD lockouts, Low-Volume Attack (LVA) detection to stop targeted persistent password guessing below AD lockout thresholds..
TrustLayer Mail: Email security platform with inline threat protection and compliant archiving. built by TrustLayer. headquartered in United Kingdom. Core capabilities include Inline email threat scanning for inbound, outbound, and internal mail, Real-time URL rewriting and click-time scanning (LinkScan), Phishing, malware, spoofing, and BEC attack blocking..
Both serve the Email Security Platforms market but differ in approach, feature depth, and target audience.
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