This content is currently locked.

Your current Info-Tech Research Group subscription does not include access to this content. Contact your account representative to gain access to Premium SoftwareReviews.

Contact Your Representative
Or Call Us:
+1-888-670-8889 (US/CAN) or
+1-703-340-1171 (International)

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.

Switch to Emotional Footprint
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.

Filter by

Products below are ineligible for awards due to insufficient recent reviews

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Cloud and Appliance based solutions providing Email Threat Security and Control for Advanced Organizations

OpenText Corporation

AppRiver

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Prevent malware, ransomware and other advanced threats from compromising your email and your business with AppRiver. AppRiver allows you to create a secure, modern workplace and defend against threats, breaches, and attacks.

MDaemon Technologies, Ltd.

Security Gateway

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Protect email from spam, data Leaks and other threats with Security Gateway. Developed by MDaemon Technologies, Security Gateway's email threat detection technology has been protecting email servers from viruses, spam, phishing, data loss and other threats. Security Gateway protects all email platforms including Microsoft Exchange, Office 365 and others.

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Protect your company's email traffic against all types of malware and spam. Cloud-based corporate email security and filtering.

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

With GravityZone Email Security organizations benefit from complete business email protection that goes beyond malware and other traditional threats such as spam, viruses, large-scale phishing attacks and malicious URLs. It also STOPS modern, targeted and sophisticated email threats including Business Email Compromise (BEC) and CEO fraud.

OpenText Corporation

Voltage SecureMail

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Provide end-to-end encryption, flexible deployment options, compliance and collaboration features, and ease of use.

Barracuda Networks

Barracuda Sentinel

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Targeted attacks carry no malicious payload (URLs or attachments) and bypass email gateways. Sentinel uses AI to outsmart the attackers and protect your business and data. Sentinel detects threats that traditional email security systems can't. It integrates directly with Microsoft Office 365 APIs to detect attacks coming from both internal and external sources. It uses artificial intelligence to detect signs of malicious intent and deception within every email with virtually no IT administration required.

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Sendio’s email security technology combines a set of tightly integrated layers that eliminate malicious threats and spam campaigns.

Cellopoint International Corp.

Cellopoint

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

Cellopoint's unified email security, auditing, archiving, data loss prevention and encryption products provide complete protection against both known and unknown threats. Cellopoint email security products combine a high-performance security CelloOS platform with Cellopoint Global Anti-spam Center (CGAC), an innovative intelligent content analysis technology that suit business organizations, schools, government entities and service providers – with best practice security measures that are easy to deploy and manage.

Abnormal Security

Abnormal Security

Insufficient Data
This product does not have enough reviews to meet the minimum criteria to display results. Please check back shortly or write a review.

The Abnormal Security platform protects enterprises from targeted email attacks. Abnormal Behavior Technology (ABX) models the identity of both employees and external senders, profiles relationships and analyzes email content to stop attacks that lead to account takeover, financial damage and organizational mistrust. Though one-click, API-based Office 365 and G Suite integration, Abnormal sets up in minutes and does not disrupt email flow.

Visit our IT’s Moment: A Technology-First Solution for Uncertain Times Resource Center
Over 100 analysts waiting to take your call right now: +1 (703) 340 1171