File
Libraesva_ESG_v5.5_VirtualBox.ova
Version5.5.1
File Size1224M
File MD52898f9273f1aaf0d85e752da89b1c0df
File SHA256993233ae158a363de3f277a618e6344cea74162a57e11cceafe3c0006ba6aef2
Create DateJune 12, 2025
Last UpdatedJune 12, 2025

Libraesva Email Security Gateway v5.5 for VirtualBox OVA

We are excited to announce the release of our leading email security suite Libraesva ESG version 5.5!

30 days FREE demo license available with simple online request.

Main Features

  • Semantic AI engine: A new local Small Language Model (SLM)-based engine that classifies emails
    by meaning, not just structure. This enhances detection of sophisticated, well-written phishing
    or social engineering emails, even when traditional red flags are absent.
  • Enhanced message scan indicators: message indicators now include both positive and negative
    signals and are integrated with the new "AI classifier engine" enabling more accurate and
    insightful threat assessments-making and response speed.
  • API configuration for domain admins: Domain-level settings can now be managed directly via API,
    allowing greater automation and remote management for MSPs or multi-domain environments.
  • AI dashboard widget: A new interactive widget displays real-time AI-driven threat classification
    activity, including drill-down views that help visualize detection trends and model classification
  • Custom semantic categories: Each domain can now define up to eight context-aware threat categories.
    This allows admins to tailor the classification system to business-specific risks (e.g. invoice
    fraud) for sharper alerting and reporting.

Full release notes and breaking changes

Read the full Release Notes of Libraesva ESG v5.5

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