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Online Secure Email Gateway Software - Page 2

Last updated: March 2026

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33 software options

Secure Exchanges logo

Protect data with point-to-point encrypted email exchange

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The fully integrated & easiest secure technology to exchange, retrieve or sign confidential documents up to 2.5G. It doesn't require any change in its users behavior or server migration.

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IRONSCALES logo

We catch the phish that others miss!

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We ensure your inboxes are uncompromised and your team is unburdened.

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Fortra's Cloud Email Protection logo

Defend against advanced phishing attacks.

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With Agari Phishing Defense, users can prevent breach activity at the cloud gateway and proactively protect users from impersonation attacks.

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365 Total Protection logo

Email security management for Microsoft Office 365

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365 Total Protection is an email security & compliance solution for Microsoft Office 365 with features for tracking emails in real time, handling infomail, blocking spam, filtering for compliance, defending against threats, black & whitelisting, archiving emails, analyzing communications, & more

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Sophos Email logo

Software for managing email encryption and secure networks

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Sophos Email is a cloud-based software designed to help businesses establish secure email networks and ensure protection from malware, intrusion, unauthorized access, and other online threats. The application includes anti-ransomware technology, which enables organizations to stop boot-record and ransomware attacks using behavioral analysis.

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modusCloud logo

Cloud email security, encryption, and archiving

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modusCloud is a cloud email security solution with tools for spam detection, threat monitoring, email archiving, phishing detection, and more. The cloud-based platform offers features including filtering, continuity, encryption, and archiving in order to provide businesses with email protection.

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Abnormal AI logo

A Fundamentally Different Approach to Email Security

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Abnormal provides total protection against the widest range of attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain compromise, internal account compromise, spam, and graymail.

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Sentry Email Defense Service logo

Cloud-based email protection platform

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Sentry Email Defense Service (EDS) is a cloud-based platform that helps businesses ensure protection against spam, virus, phishing links, DDoS, ransomware, and various other threats. Features include real-time reporting, encryption, data leakage protection, SMTP logs, and email archiving.

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