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Email Security Software with Firewalls (2026)

Last updated: April 2026

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17 software options

ESET Endpoint Security logo

Network security, network monitoring & endpoint protection

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ESET Email Security protects email communications for organizations with 250+ employees. Available as cloud-based and on-premises, it ensures internet security and malware protection. Features include mail protection, cloud sandbox technology, remote device management and firewall configuration.

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Cloudflare logo

Performance & Security for Any Website

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Cloudflare protects and accelerates million of website online using a single change to your DNS by offering CDN functionality and advanced security.

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Hoxhunt logo

Make security training engaging, personalized, and effective

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Hoxhunt is a security awareness training software designed to help businesses educate and train employees to identify and report phishing attacks or malicious emails. Administrators can create relevant content to automatically send personalized malicious emails to employees.

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AVG Internet Security Business Edition logo
Category Leaders

Cybersecurity platform for small and midsize businesses

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AVG Internet Security Business Edition is a complete protection solution that helps small and midsize businesses keep their systems and devices safe from external threats.

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DNSFilter logo

Cloud-based cybersecurity and network monitoring platform

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DNSFilter is a cybersecurity management software that enables enterprises, K-12 schools, and universities to detect online security threats and malware using artificial intelligence (AI) technology, machine learning (ML) algorithms, and content filtering capabilities.

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Flashstart logo

DNS filtering software provider

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FlashStart is at the forefront of cyber security innovation, leveraging AI-powered DNS intelligence to stay one step ahead of evolving threats.

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Libraesva Email Security logo
Category Leaders

Exceptional Email Security

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Libraesva Email Security stops known and emerging email threats from reaching their target, so you only receive legitimate messages. It provides exceptional email security by integrating cloud email and a secure email gateway with Libraesva’s unique Adaptive Trust Engine.

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Conecta Suite logo

Manage your company's Google and Microsoft users all in one

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Conecta Suite is the ideal solution for those looking to maximize the potential of Google Workspace and boost team productivity. With features that make management more efficient and secure, it offers advanced and customized control to meet your company's specific needs.

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ConnectWise SIEM logo

Threat detection and response management software

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ConnectWise SIEM is a threat detection and response management software designed to help enterprises create, launch, and manage cybersecurity programs. The platform enables organizations to identify potential threats and malicious activities across networks & connected devices via a unified portal.

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Symantec Enterprise Cloud logo

Cybersecurity platform for threat protection

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Symantec Enterprise Cloud is a cybersecurity platform that provides integrated solutions for various challenges faced by organizations. The system offers data-centric hybrid security for organizations both on-premises and in the cloud. Symantec Enterprise Cloud is designed to provide consistent compliance, secure remote work, and data and threat protection.

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Proofpoint Email Protection logo

Secure email gateway management and threat intelligence tool

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Proofpoint Email Protection is a computer security management software designed to help businesses identify and block threats using AI-enabled tools. It offers an advanced business email compromise (BEC) defense feature, which enables administrators to analyze various attributes including message header and senders’ IP address.

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Darktrace logo

AI-enabled network and cybersecurity solution

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Darktrace, founded in 2013 in Cambridge, UK, is a leader in AI cybersecurity, protecting 10,000+ global customers from evolving threats

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InboxGuard logo

Email phishing protection and fraud detection solution

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InboxGuard (formerly Retruster) is a cloud-based phishing protection solution designed to help small to large organizations identify fake and malicious codes in incoming emails. Key features include data security, ransomware protection, identity theft prevention, background screening, and threat tracking.

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ESET PROTECT Complete logo

Cloud-based patch management for total security

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ESET PROTECT Complete offers advanced patch management for businesses with 250+ employees, ensuring systems are secure and up-to-date with automated updates and comprehensive vulnerability assessments.

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Cynet 360 logo

Automated breach response and protection platform

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Cynet 360 is an all-in-one security platform that provides endpoint threat detection and response for networks that require advanced protection. It gives network administrators visibility over all networked devices, users, and events. Cyber security technology is viable for companies of all sizes.

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Ericsson NetCloud Manager logo

Manage network connectivity and security from anywhere.

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NetCloud SASE email security protects against phishing, malicious attachments and malware. Websites launched from emails are isolated to keep malware away, attachments are sanitized with CDR, and unknown sites are opened as read-only to block credential entry.

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Fidelis Network logo
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Fidelis' NDR: Proactive Defense, Rapid Threat Response.

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Fidelis Network, an NDR solution, delivers real-time threat detection & response. With Deep Session Inspection®, it provides full visibility into network, email, and web traffic, including encrypted data. Contextual analysis & threat intelligence reduce alert fatigue & enhance risk management.

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