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Secure Email Gateway (SEG) Software

Secure Email Gateway

What is Secure Email Gateway Software?

Secure Email Gateways (SEG) prevent the sending and receiving of emails that are either harmful, or contravene company policies. SEG can quarantine or block emails that contain detected threats (viruses, malware, phishing attempts).

Common Features

  • Anti Spam and Bulk Email Detection
  • Anti Phishing and Spear Phishing
  • URL and Malware Detection
  • End User Spam Visibility and Controls
  • Data Loss Prevention
  • Anti Malware Signature Detection
  • Anti Malware Behavioral Detection
  • Encryption and Decryption
  • Hosted Email Support
  • Email Retention and Archiving
  • Reporting Components

Top Secure Email Gateway (SEG) Software

2026 Data Quadrant Awards

2025 Emotional Footprint Awards

At SoftwareReviews, we take pride in recognizing excellence. Each year, we present the Data Quadrant Awards to top-performing software products based solely on authentic user reviews, without any paid placements or analyst opinions. These awards highlight software products that excel in terms of features, vendor capabilities, and customer relationships, earning them the highest overall rankings.

At SoftwareReviews, we take pride in recognizing excellence. Each year, we present the Emotional Footprint Awards to top-performing software products based solely on authentic user reviews, without any paid placements or analyst opinions. These awards shine a spotlight on software vendors who excel in crafting and nurturing strong customer relationships.

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Products: 11
Next Award: Apr 2027

Top Secure Email Gateway Software 2026

Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.

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Products below are ineligible for awards due to insufficient recent reviews

Solve the unique email security needs of your organization – whether you have one user or 100,000. From appliances and software to virtual appliances and services, our flexible solutions offer powerful protection from spam, phishing and viruses at a low total cost of ownership.

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Performance Enhancing

Keep your email infrastructure and users safe — whether on-premises or in the cloud

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Performance Enhancing

Prevent the Most Common Form of Data Loss; Email Data Loss Prevention (DLP) Get control over the top vector for data theft by applying your data security policies to outbound email.

Scorecard

Pros

  • Reliable
  • Enables Productivity
  • Efficient Service
  • Effective Service
Badge Winner
Badge Winner
Spambrella

Spambrella

Composite Score
8.0 /10
CX Score
8.3 /10

Cloud-based email security platform giving you ultimate control and flexibility over business email communications. Instant URL and ransomware protection for your organisation!

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Efficient Service

GFI MailEssentials provides anti-spam and email security for your mail servers

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Performance Enhancing

With Harmony Email & Collaboration, organizations can implement comprehensive email security that addresses all areas of business communication.

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Performance Enhancing

Stop the broadest range of email cyberattacks with Core Email Protection, delivering industry-leading AI for threat identification and classification in Microsoft 365 and Google environments.

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Enables Productivity

A multi-layered solution that protects against advanced email threats

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Performance Enhancing

SpamTitan reduces spam, viruses, malware and other email threats by over 99.9%. We provide sophisticated email security for your business without making it complicated.

Pros

  • Helps Innovate
  • Continually Improving Product
  • Reliable
  • Enables Productivity
Darktrace Holdings Limited

Darktrace/Email

Composite Score
7.2 /10
CX Score
7.1 /10

Threats have evolved. It’s time your email security evolves too. Darktrace/Email uses core Self-Learning AI to stop the most advanced email threats, intervening to protect employees from the full range of threats targeting the inbox.

Pros

  • Enables Productivity
  • Helps Innovate
  • Continually Improving Product
  • Reliable

Cons

  • Less Efficient Service
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