Advanced threats are more complex to detect and prevent than ever before. Powered by Guardian Digital, the EnGarde Email Security Gateway is an auto-learn system that scrutinizes millions of individual characteristics from each email, quickly utilizing resources of systems around the world to identify threats in real time.

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Protection Against All Threats

  • Multi-layer anti-virus and heuristic scanning
  • Spam and malware filtering
  • Complex spear phishing attack prevention
  • Real-time URL filtering
  • Detects and stops malicious document attachments inside other types of commonly emailed files
  • Guards web & IP reputation
  • Prevents business Email Compromise (CEO impersonation fraud)
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Next Generation Email Security

Guardian Digital EnGarde Email Security Gateway brings together the most technologically advanced open-source developments, a multitude of standards-based security solutions, and the ingenuity and security expertise of Guardian Digital. Protecting against spam, viruses, blended email threats, and corporate policy violations, Guardian Digital’s EnGarde Email Security Gateway is the most vigilant approach to email security.


  • Effective defense from spam, phishing, and other advanced threats   
  • Zero-hour outbreak control protects against new, unknown threats
  • Advanced graphs & reports provides increased visibility & accountability   
  • Scalable cloud-based system simplifies deployment and increases availability   
  • Policy-based encryption seamlessly protects confidential communications   
  • Resilient open source design reduces risk, provides more features
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EnGarde Email Security Gateway Features Summary

The Guardian Digital EnGarde Email Security Gateway uses sophisticated, multi-layered detection engines and machine learning to protect email data and provide better security and system performance to stop threats before they reach your network.


  • Multi-layered threat protection   
  • Adaptive-learning heuristic system, which continues to improve over time   
  • Dynamic reputation system classifies email based on origin   
  • Next-generation statistical analysis   
  • Robust auditing and reporting   
  • Simplified, consistent administration   
  • A scalable solution, adjustable from the smallest to the largest organizations   
  • Flexible policy management   
  • Secure endpoint encryption using strong cryptography  
  • IP reputation services   
  • Real-time URL filter   
  • URL analysis Multiple leading anti-virus engines 
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EnGarde Email Security Gateway Summary

Guardian Digital EnGarde Email Security Gateway provides a fully integrated email security cloud-based solution that delivers total end-to-end control of your email, mitigating email risks and reducing the complexity of your infrastructure.
EnGarde Email Security Gateway provides real-time protection with real-time results while continuously adapting to a changing business and security environment. Built on a modern open-source architecture built by Guardian Digital to be secure and flexible, the EnGarde Email Security Gateway provides the benefits of SaaS with our added expertise. This approach delivers increased security and world-class enterprise support.


  • Inbound & outbound email security protection against all threats  
  • Advanced encryption protection throughout keeps communications secure   
  • Cloud-based solution eliminates up-front costs & expedites deployment   
  • Resilient open source architecture provides increased features and better security   
  • Protects users against all forms of emerging and zero-day threats   
  • Enterprise-class availability and scalability   
  • Increase employee productivity & lower IT costs   
  • Unparalleled service & support

Let Guardian Digital help you accomplish your strategic business goals by safeguarding your most valuable assets — your employees — and your business information.