Best Email Security Software

Compare the Top Email Security Software as of January 2026

What is Email Security Software?

Email security software protects organizations from cyber threats such as phishing, malware, and spam by filtering incoming and outgoing email traffic. It uses advanced threat detection, encryption, and data loss prevention (DLP) to safeguard sensitive information. These tools also offer features like email authentication (DMARC, SPF, DKIM) and real-time threat intelligence to block emerging attacks. By securing email communications, businesses can prevent data breaches, ensure regulatory compliance, and maintain user trust. Email security software is essential for mitigating human error, which is one of the leading causes of data breaches. Compare and read user reviews of the best Email Security software currently available using the table below. This list is updated regularly.

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    Heimdal Endpoint Detection and Response (EDR)
    Heimdal® Endpoint Detection and Response is our proprietary multi-solution service providing unique prevention, threat-hunting, and remediation capabilities. It combines some of the most advanced threat-hunting technologies: - Next-Gen Antivirus - Privileged Access Management - Application Control - Ransomware Encryption Protection - Patch & Asset Management - Email Security - Remote Desktop - Threat Prevention ( DNS based ) - Threat Hunting & Action Center With 9 modules working together seamlessly under one convenient roof, all within one agent and one platform, Heimdal Endpoint Detection and Response grants you access to all the essential cybersecurity layers your business needs to protect itself against both known and unknown online and insider threats. Our state-of-the-art product empowers you to quickly and effortlessly respond to sophisticated malware with stunning accuracy, protecting your digital assets and your reputation in the process as well.
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    Starting Price: $0/month
  • 2
    Trellix XDR
    Introducing the Trellix Platform, a composable XDR ecosystem that adapts to the challenges of your business. The Trellix Platform learns and adapts for living protection while delivering native and open connections and providing expert and embedded support for your team. Keep your organization resilient with adaptive prevention that adjusts and responds in machine time to threats. Customers trust 75M endpoints to Trellix. Maximize business agility through zero trust principles and protect against front-door, side-door, and back-door attacks, all while streamlining policy management. Get comprehensive, non-invasive protection for your cloud-native applications, through secure agile DevOps and visible deployment environments. Our email and collaboration tool security protects against high-volume exposure points and attackers, automating for optimized productivity and enabling secure and agile teamwork.
  • 3
    Datto SaaS Protection

    Datto SaaS Protection

    Datto, a Kaseya company

    Reliably and securely backup Microsoft 365 and Google Workspace (formerly G Suite) to ensure critical programs used for business, email and docs are protected from every day downtime events and cyber threats. Datto SaaS Protection is a cloud-to-cloud backup solution built exclusively for MSPs, protecting thousands of businesses today. Datto SaaS Protection offers comprehensive backup, recovery and overall cyber resiliency for critical cloud data that lives in Microsoft 365 and Google Workspace applications. Protect against permanent data loss and recover from ransomware or user-error quickly with one-click restore. Get new clients up and running fast with streamlined onboarding and manage client backups from a single pane of glass. Discounts are applied to the total licenses sold across all of your clients, meaning that, the more you sell, the more you’ll make. Meet business continuity, compliance, and security requirements beyond Microsoft 365 and Google Workspace.
  • 4
    Torq

    Torq

    Torq

    Torq is transforming cybersecurity with its AI-native autonomous SOC powered by hyperautomation. By connecting the entire security infrastructure stack, Torq empowers organizations to instantly and precisely remediate security events, and orchestrate complex security processes at scale. Fortune 500 enterprises, including the world’s biggest financial, technology, consumer packaged goods, fashion, hospitality, and sports apparel companies are experiencing extraordinary outcomes with Torq.
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