Email & Web Security Solutions

Detect, inspect, and secure critical data through Secure Gateways across the email and web landscapes.



Clearswift Secure Email Gateway (SEG)

The award-winning, on-premise Clearswift Secure Email Gateway offers an unprecedented level of cyberattack protection and outbound data loss prevention, including:

  • Deep content inspection control on size and types of attachments
  • Adaptive Redaction
  • Optical Character Recognition
  • Anti-Steganography for secure email collaboration

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Protect Your Business with Fortra's Secure Email Gateway Appliance

The Clearswift Secure Email Gateway (SEG) appliance is an integral component of email security, employing Deep Content Inspection to protect against data loss and hidden threats. And it can be deployed on premises, in the cloud, or hosted by Fortra as a managed service. Lessening the heavy management burden and reducing the volume of false positives, the SEG's features include:

  • Multiple filtration methods with the ability to granularly detect and stop viruses, ransomware, and malware from entering inboxes
  • Spam detection rate of 99.9% leveraging IP reputations, greylisting, signatures, message authentication & real-time block lists
  • A greater range of mitigation mechanisms through remediation, multi-layered policy enforcement, enhanced visibility & ease of use

Benefits of Clearswift's Secure Email Gateway

Protection Against Email Threats

Safeguards against phishing attacks and email-borne threats, reducing the risk of data breaches.

Microsoft 365 Guide


Clearswift Email Security Can Help Fill the Microsoft 365 Vulnerability Gaps

Having a single solution for email security can leave vulnerabilities. According to recent research, even the leading SEG let through 5 response-based threats per 100 users per year. That's why deploying Fortra's Advanced Email Security solutions alongside Microsoft 365 ensures your security gaps don’t become a threat to your organization.

Read our guide to learn how Fortra's Advanced Email Security suite of products can enhance your standard email security.  

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Award-Winning Cybersecurity Solutions

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Clearswift’s Email Security solutions are robust enough to fill vulnerable gaps that other email security solutions like Microsoft 365 miss. Our ultimate goal is to safeguard your proprietary critical data, the loss or exploitation of which can impact the efficacy of essential daily operations and disrupt business flow for enterprise organizations.

A Key Part of Fortra


Clearswift is proud to be part of Fortra’s comprehensive cybersecurity portfolio. Fortra simplifies today’s complex cybersecurity landscape by bringing complementary products together to solve problems in innovative ways. These integrated, scalable solutions address the fast-changing challenges you face in safeguarding your organization. With the help of the powerful protection from Clearswift and others, Fortra is your relentless ally, here for you every step of the way throughout your cybersecurity journey.

Protect Your Business with Clearswift