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Email Security Software - Page 5

Last updated: April 2026

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110 software options

MeSign logo
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End-to-End encryption and digital signature app for emails.

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Provides email encryption, digital signing and timestamping service for your corporate emails.

Auto-configure email certificates, encrypt email message automatically by default with S/MIME standard.

Cloud and on-premise key management are both supported.

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OpenText Data Privacy and Protection logo
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Data privacy and protection portfolio

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Voltage is a data privacy and protection portfolio that can be used for data privacy readiness, secure collaboration, structured data optimization, and other use cases. It offers solutions for file analysis, sensitive data management, encrypted email, and more.

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SpamTitan Plus logo
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Zero-day threat protection and intelligence

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SpamTitan Plus is an anti-phishing solution, which provides features such as URL inspection, malicious link neutralizing, URL rewriting, and time-of-click analysis.

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StartMail logo
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Email platform for end-to-end email encryption

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StartMail is a privacy-first email service that keeps your inbox safe. It is designed for individual and business use. StartMail users can create an unlimited number of email aliases at no extra cost to mask their real email. Custom email addresses are available for businesses.

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StrongestLayer logo
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AI-native email security platform

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StrongestLayer’s AI Email Security leverages advanced Large Language Models to understand the true intent behind every message, instantly detecting and blocking sophisticated phishing, zero-day exploits, and BEC scams. Seamlessly integrated with Microsoft 365 and Google Workspace.

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Confidencial logo
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Cloud-based data protection and security solution

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Confidencial is a cloud-based document security solution that enables users to protect sensitive data with granular encryption controls.

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LogValid logo
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Real-time email verification solution

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LogValid enhances email security by verifying the authenticity of email addresses in real time. It detects and removes invalid, disposable, and spam emails, protecting your system from fraud, phishing, and other security threats.

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MailGuard logo
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Speed Matters. MailGuard stops threats 2- 48hrs faster.

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MailGuard anticipates, predicts and learns from emerging zero-day threats like ransomware, phishing, spear-phishing, Business Email Compromise and similar malicious email-borne attacks, protecting email users from harm.

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FileCap logo
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Cloud-based email security and encryption solution

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FileCap is a secure file-sharing and collaboration solution that lets users send large files over email safely and easily.

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Palisade logo
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Email security software

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Palisade is an AI-powered DMARC platform that automates the implementation of DMARC to help users stop landing in spam and get their verified email checkmark. The platform integrates with over 800 third-party apps and features smart DMARC capabilities, email threat detection, and expert human support to improve email deliverability and security.

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