Best Email Security Software - Page 5
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Compare the Top Email Security Software as of April 2026 - Page 5
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OpenText Core Email Threat Protection safeguards inbound, outbound, and internal email by blocking phishing, ransomware, impersonation, and business email compromise attacks. The platform uses multilayered filtering, AI-driven detection, and advanced link and attachment analysis to stop threats before they reach users. It automatically rewrites and scans links at click-time, sandboxes suspicious attachments, and retracts malicious messages already delivered to Microsoft 365 inboxes. Internal user-to-user emails receive the same high-level protection, reducing the risk of lateral movement and compromised accounts. The intuitive dashboard and simple deployment process make it easy for teams to manage security policies, monitor activity, and ensure compliance. Backed by 24/7 threat analyst support, OpenText Core Email Threat Protection helps organizations operate with confidence in today’s complex cybersecurity landscape.
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modusCloud
Vircom
Vircom’s modusCloud is a cloud email security product providing real-time threat protection spam and phishing detection, advanced multi-layer anti-virus and email archiving. Users receive comprehensive protection against unwanted and malicious email. while administrators can easily tailor service to users’ needs and policies. modusCloud gives clients access to an enterprise security technology and infrastructure that is used by some of the world’s largest and most security conscious companies. We combine this with expert knowledge and understanding of the needs that smaller businesses have. Along with our email threat protection, we provide a hosted email security product with a robust filter-rules engine, email continuity with Emergency Inbox, policy-enforced encryption and a cloud-based email archive. All of which is managed in a simple and intuitive user interface. -
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Darktrace
Darktrace
Darktrace is a cybersecurity platform powered by AI, providing a proactive approach to cyber resilience. Its ActiveAI Security Platform delivers real-time threat detection, autonomous responses to both known and novel threats, and comprehensive visibility into an organization’s security posture. By ingesting enterprise data from native and third-party sources, Darktrace correlates security incidents across business operations and detects previously unseen threats. This complete visibility and automation reduce containment time, eliminate alert fatigue, and significantly enhance the efficiency of security operations. -
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Agari
Fortra
Use Trusted Email Identity to protect workers and customers from advanced email attacks. Advanced email attacks target a major security vulnerability that legacy email security controls do not address. Agari gives employees, customers, and partners the confidence to trust their inbox. Unique AI with over 300m daily machine learning model updates understands the good to protect you from the bad. Global intelligence powered by trillions of global email messages provide deep insights into behaviors and relationships. Years of experience defining the email security standards that have been adopted by Global 2000 companies. -
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DMARCLY
DMARCLY
Block phishing, business email compromise, ransomware, spam, and improve email deliverability. DMARC is more than just email security. It's also about email deliverability. Stopping email spoofing effectively increases user engagement, which in turn improves your domain sender score. A high domain sender score improves your email deliverability: your business emails are more likely to reach the inboxes. Email deliverability depends on successful email authentication. Ever wonder if your emails are properly authenticated and delivered? Stay confident about email deliverability with DMARCLY reporting. Knowing that your legitimate emails land in the inbox while others don't brings marketers ease of mind. No auth, no entry. Email service providers like Gmail and Office 365 are increasingly sending unauthenticated emails to spam or even rejecting them outright. DMARCLY is a comprehensive SPF, DKIM and DMARC monitoring solution.Starting Price: $14.99 per month -
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Glasswall
Glasswall Solutions
Antivirus leaves you vulnerable to future unknown attacks. Sandboxing exposes you to risk from advanced malware and slows productivity. Now you can secure documents throughout your organization without sacrificing productivity. Our CDR technology instantly cleans and rebuilds files to match their known good manufacturer’s standard, automatically removing potential threats. Proactively remove risk and anomolies so every file is safe and usable. Implement in hours (not months) without the headaches and hidden costs. The Glasswall Engine lies at the heart of our CDR Platform which provides a means to orchestrate analysis and protection workloads. Development teams and partners can deploy the core Glasswall Engine as an embedded component. This ensures the capabilities of the Glasswall Embedded Engine can be harnessed via an SDK to facilitate programmatic integration into appliances or software processes. -
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ZeroFox
ZeroFox
Organizations invest immense resources into social media and their digital presence, which has become the primary engagement method for many individuals and businesses. As social media becomes the preferred engagement tool, security teams must understand and address the risks posed by digital platforms, the largest unsecured IT network on earth. Explore the ZeroFox Platform - watch this 2 minute overview video. With a global data collection engine, artificial intelligence-based analysis, and automated remediation, the ZeroFox Platform protects you from cyber, brand and physical threats on social media & digital platforms. Understand your organization’s digital risk exposure across a broad range of platforms where you engage and cyberattacks occur. ZeroFox's mobile app provides the powerful protection of the ZeroFox platform at your fingertips, wherever and whenever you need it. -
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SonicWall Email Security
SonicWall
Protect against today’s advanced email threats using a cloud email security service. Email is the most common threat vector used by cyber criminals. Deploy the cloud-based service that protects your organization from advanced email threats such as targeted phishing attacks, ransomware, business email compromise (BEC) and email fraud. SonicWall solution reduces administrative overhead through easy deployment, management and reporting. The massively expanding, distributed IT reality is creating an unprecedented explosion of exposure points for sophisticated cybercriminals and threat actors to exploit. SonicWall Email Security is ideal for organizations that need a dedicated on-premises solution. SonicWall’s solution can be deployed as a hardened physical appliance, robust virtual appliance or software application. The multi-layered solution provides comprehensive inbound and outbound protection, and defends against advanced email-borne threats such as ransomware. -
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Abnormal AI
Abnormal AI
Abnormal AI offers a behavioral AI platform designed to protect humans from sophisticated email threats like phishing, social engineering, and account takeovers. The platform leverages advanced anomaly detection to identify and stop AI-powered email attacks that operate at machine speed and evade traditional defenses. It delivers fully autonomous threat detection and response with minimal manual intervention. Abnormal AI integrates seamlessly with cloud email platforms, enhancing security without adding operational overhead. Trusted by over 3,000 customers including many Fortune 500 companies, it has demonstrated significant reductions in phishing attacks and SOC workload. Its unique human-focused, behavior-driven approach helps organizations proactively defend against evolving cyber threats. -
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Aspida Mail
Aspida
Aspida Mail was developed with simplicity in mind. We know it's important for you to be able to continue with business as usual. Aspida Mail's setup is seamless and works with any IMAP enabled device. Aspida is HIPAA compliant encrypted email. -
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HIPAA Vault
HIPAA Vault
Our HIPAA Compliant Hosting & Cloud Solutions are the perfect solution for healthcare professionals and businesses in need of HIPAA Compliant secure cloud and website hosting services. HIPAA Vault’s Managed Services include less-than-15 minute response times for critical alerts, and 90% first call resolution. Our dedicated IT professionals handle everything from general support questions and maintenance, to more complex issues such as advanced firewall configurations and system monitoring. This can result in reduced operating costs, while giving you the latest in security updates and compliance. If you need a Windows environment and want peace of mind, you should go with our HIPAA Compliant Windows Hosting plan. Find the right HIPAA email messaging solution to match your business needs. Secure, convenient, and flexible. -
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Terranova Security
Terranova Security (Fortra)
Terranova Security makes it easy to build cybersecurity awareness programs that feature the industry’s highest-quality training content and real-world phishing simulations. As a result, any employee can better understand phishing, social engineering, data privacy, compliance, and other critical best practices. -
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Armorblox
Armorblox
Armorblox uses natural language understanding, deep learning, and statistical techniques to protect all enterprise communications from inbound threats and outbound data loss. The Armorblox platform leverages a broad spectrum of data sources, signals, and detection techniques. Stop business email compromise, account takeover, executive impersonation, and other targeted threats. Study detailed attack analysis that’s built for human eyes. Automatically delete, quarantine, or label emails based on preconfigured policies. Detect PII/PCI violations and passwords disclosed through emails. Block outbound emails containing confidential information. Prevent lateral data leaks across email, messaging, and file-sharing solutions. Auto-remediate all reported false positives. Remove similar suspicious emails across user mailboxes with one click. Leverage dynamic policies to stop similar attacks in the future. -
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SilverSky Email Protection Suite
SilverSky
Email is the number one threat vector for cybersecurity attacks. Signature-based anti-virus and standard reputation-based anti-spam solutions are no longer sufficient to secure email against today’s sophisticated payloads and social engineering attacks. Protect yourself from ransomware, malware, phishing campaigns, and business email compromise. As compliance requirements become more stringent, you need email security best practices to protect both internal and customer data and maintain email archives. Do more with your cloud email and collaboration tools. For many companies, email, office productivity, and collaboration tools are purchased with office efficiency in mind but without much regard for security. SilverSky offers cloud email, office productivity, and collaboration tools with security layered into the bundle. -
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DekkoSecure
DekkoSecure
Dekko Secure is a fast-growing SaaS company providing leading-edge, military-grade security. Unlike many popular file sharing and collaboration tools our security was designed from the ground up for end-to-end encrypted, zero-knowledge data defence and sovereignty, whatever the file size or type. That's why we are trusted and chosen by government and business at the highest level. They also love that our web-based platform needs no installation or training so is quick to deploy and easy to use. Our security starts where the popular solutions stop. DekkoGov™ - Ultra-secure file sharing, collaboration & eSignatures for Government workflows. DekkoGov™ is trusted by Government departments and external stakeholders globally. DekkoPro™ - Share sensitive data easily using military-grade security with no file-size limits. DekkoPro™ allows businesses of all sizes to keep their data ultra-secure, simplify workflows, compliance and increase productivity. -
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Dark Web ID
IDAgent, a Kaseya company
Get More Sales. Streamline Your Costs. Differentiate Your MSP. ID Agent helps your MSP sell your security stack to new and current customers by empowering you with real-time dark web search results (creating urgency), complete with sales & marketing-ready resources and coaching, so you can see profits within 30 days or less. Your Customers are often only concerned about their network passwords being exposed and are not really thinking about the breached 3rd party websites and applications that store their usernames and passwords. With three former CEOs of MSPs on staff, more Managed Service Providers globally rely on ID Agent than any other monitoring software to provide actionable cybersecurity threat intelligence. We have (literally) been in your shoes before, know what challenges and objections you face, and how to overcome them.Starting Price: $300 per month -
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Graphus
Kaseya
90% of cyberattacks that end in a data breach start with a phishing email. Graphus is a cost-effective automated phishing defense solution for companies of all sizes that protects your customers from today’s biggest cyber threats. Using patented AI algorithm to detect and quarantine suspicious emails fast, Graphus is a powerful boost for your clients’ security (and your MRR). Powerful automated phishing protection for Office 365 and G Suite. Graphus’ unique, innovative AI learns and evolves with each company’s communication patterns to provide three layers of protection against malicious attacks and strengthen your clients’ security posture -- giving you and your clients peace of mind. TrustGraph® automatically detects and quarantines dangerous emails that get through email platform security or an existing Secure Email Gateway (SEG). EmployeeShield® adds an interactive warning banner to questionable messages, prompting recipients to quarantine or mark them as safe with one click. -
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Email Shield
Fraud.net
Email Shield is a cloud-based email security add-in, which helps businesses across various industry verticals such as banking, fintech, eCommerce, government, mobile, travel, gaming, telecommunications and more, prevent email-based fraud attempts and receive fraud risk scores and alerts. It tracks and verifies trusted contacts, letting users expose risky emails and ensuring safety of financial transactions. Email Shield allows accounts payable (AP) agents to scan emails, AP senders, and attachments and approve, escalate, or reject payment and account change requests. The system accesses and modifies personal details in the active message including the subject, body, recipients, sender, and attachment information to ensure protection from invoice, vendor, and wire fraud. -
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Trellix Email Security
Trellix
Keep your email infrastructure and users safe— whether on-premises or in the cloud. Identify and mitigate advanced email threats—including ransomware, business email compromise (BEC), and phishing—with Trellix Email Security. You’ll get leading detection and response capabilities to build a trusted, resilient email environment. Identify current threats quickly and accurately with prioritized alerts to help analysts take immediate action. Keep your email safe—whether it’s hosted on-premises or in the cloud—with leading sandbox technology, AI, and machine learning. Connect with as many as 650 Trellix solutions and third-party products to deliver insights and create a unified, living security ecosystem. Minimize the risk of breaches and identify, isolate, and protect against advanced URL and attachment-based attacks with this on-premises solution. Choose Advanced Threat mode to unearth malicious URLs with custom plug-ins, or Full Hygiene mode to reduce impersonation, BEC, and more. -
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DuoCircle
DuoCircle
Reliable and secure email hosting services for SMB and Enterprise. Safely processing over 100 million emails per month for our customers. Enhanced gateway security and filtering, inbound email security, email service backup and outbound SMTP using a new high quality infrastructure for top quality results that our customers deserve. Products include, Secure email gateway, email backup MX, email forwarding, outbound SMTP and more. DuoCircle protects against phishing attack with Link Click Protection, a part of the Advanced Threat Defense Suite. You’re covered with Link Click Protection even if site content changes between clicks. You get total protection from phishing and your confidential corporate information is secured because your employees are simply prevented from visiting sites that misuse such information. You get instant feedback in the form of an alert when a suspicious link is about to be visited. -
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Intermedia Exchange Email
Intermedia Cloud Communications
For most businesses, choosing the email and business productivity applications for your staff is the easy part. Microsoft Office, Exchange Email, and Microsoft 365 are trusted and feature-rich choices. But selecting the right plan can be confusing. Let Intermedia help you decide which plan and combination of options is right for your business, whether you need Exchange Email, Email and Microsoft Office applications, compliance and security options, or enhanced versions of Microsoft 365. PC Magazine Editors' Choice Exchange Email with 99.999% SLA and J.D. Power-certified support. Microsoft 365 Apps (Word, Excel®, PowerPoint®, Outlook®). Comprehensive compliance and security capabilities including Archiving and Encryption. Customized deployment options for single tenant environments (500+ users). Expert migration and onboarding included free of charge. Email is the centerpiece, but it doesn’t stand alone. -
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Mailwall
Omniquad
See how Omniquad’s Cloud based IT security services can meet all your online security needs. Email filtering, web filtering, archiving, data loss prevention, and more. Today email security goes beyond just protecting the organization against virus and spam. Email has become one of the key delivery mechanisms for cyber threats. Cybersecurity is not just an IT issue, it is a business risk. To tackle this risk a wide angle or a cross-functional approach is necessary. Bearing in mind that the delivery mechanism for a large segment of cyber-threats is quite simple and not very technical the solution needs to combine the social with the technical. Key factors are typically clicking links in emails, opening attachments with malicious code, carelessly downloading programs, or having weak passwords. Most of this can be addressed by a comprehensive email security solution, which makes the combination of Office 365 with Mailwall Cloud very powerful. -
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Mailinblack
Mailinblack
Protect your business and employees against threats with the leading email protection solution in Europe. Mailinblack technologies combine artificial and human intelligence and have been recognised for more than 15 years by companies, health establishments and public institutions. Every year, 250 billion emails are sent worldwide, a large majority of which contain unwanted advertising. On average, your employees spend 5 hours per day working on emails, while 75% of them are spam. Mailinblack helps your employees, allowing them to save 40 minutes per day processing their emails. How? Our solution is designed to detect spam, newsletters and viruses, and to automatically sort the emails in your messaging system. You can finally take back control! 92% of enterprises have been victims of a cyberattack by ransomware, malware or attempted phishing. From data loss to financial damage, a tarnished reputation and wasted time, the impacts are serious and can even result in businesses going under. -
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GreatHorn
GreatHorn
If your organization has shifted to a cloud-native email platform it’s time to reevaluate your email security to address today’s sophisticated zero-day attacks, and complex social engineering tactics like business email compromise and email account compromise. GreatHorn Cloud Email Security Platform changes the way you manage risk, layering sophisticated detection of polymorphic phishing threats with user engagement and integrated incident response, allowing your organization to address advanced threats at the moment risk enters your environment. No changes to mail routing or MX records, 5 minute deployment, and out-of-the-box default policies give you the immediate protection you require. Using artificial intelligence and machine learning, accurately identify risk areas, threat patterns, and zero-day phishing attacks to reduce response time. Continuous engagement helps train end users at the moment a potential phish enters their inbox. -
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Mailprotector
Mailprotector
Mailprotector delivers award-winning email experiences exclusively through our amazing partner resellers. Easy to use encrypted email with no plugins or apps. Bracket has turned using email encryption from dread to delight. Just wrap brackets around the [subject] in any email client on any device, and Bracket handles the rest. Total email security that filters all the junk people don’t want. CloudFilter delivers full-stack protection from annoying spam and crippling email-based virus and phishing attacks in a way that’s effective, efficient, and easy to use. Prevents spam proliferation and keeps damaging or sensitive data from being leaked via email. SafeSend expands beyond CloudFilter’s outbound filtering by giving greater control over outbound email traffic with custom content rules and more. -
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Proofpoint Adaptive Email Security
Proofpoint
Proofpoint's Adaptive Email Security provides advanced, integrated protection against phishing, Business Email Compromise (BEC), and other email-borne threats. Powered by behavioral AI, this solution continuously adapts to evolving threats, offering real-time protection before, during, and after email delivery. By consolidating email security into a single platform, organizations can simplify operations, reduce vendor complexity, and achieve significant time and cost savings. It offers advanced features such as internal mail protection, real-time coaching, and unified visibility, making it an essential tool for protecting sensitive communications and ensuring compliance. -
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Cyren
Cyren
Cyren Inbox Security is an innovative solution that turns the tables on the phishers and safeguards each and every Office 365 mailbox in your organization against evasive phishing, business email compromise (BEC) and fraud. Continuous monitoring and detection provide early exposure of evasive attack indicators and anomalies. Automated response and remediation for individual mailboxes and across all mailboxes in the organization will take care of the heavy lifting. Our unique crowd-sourced user detection closes the feedback loop on alerts, reinforcing your security training and providing valuable threat intelligence. Comprehensive, multi-dimensional presentation of critical threat characteristics to help analysts understand the evolving threat landscape. Improved threat detection for existing security products such as SIEM and SOAR solutions. -
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Retarus
Retarus
As a leader in information logistics, we drive communication for companies worldwide. With intelligent infrastructures, patented technology and excellent service. Because the faster and more securely your information flows, the better your business runs. Are you ready for Retarus? Successful business depends on agile and secure communication processes for their digitized and automated workflows. From newsletters and order confirmations to password resets and status notifications – fast delivery of transactional emails plays an essential role in the customer journey. Retarus helps you reach 99% of all mobile networks. That means almost everyone in the world. Quickly and reliably. Read our use cases to learn how you can make your customer dialogue more profitable with enterprise SMS services. Send your personalized content reliably, even to large distribution lists. By email, fax or SMS—it’s easy with a standardized and intuitive platform. Communicate directly from your web browser. -
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CyberCision
FirstWave
CyberCision by FirstWave is a comprehensive cybersecurity-as-a-service platform designed for service providers and telcos. It enables businesses to offer robust security services, including email, web, and firewall protection, to their customers without the need for dedicated infrastructure. The platform provides multi-tenant capabilities, centralized management, and global scalability, making it ideal for service providers looking to expand their security offerings. With automated features, real-time threat intelligence, and frictionless activation, CyberCision delivers affordable, enterprise-grade protection to end-users while simplifying security operations. -
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activeDEFENCE
activereach
From malware to advanced persistent threats (APT) to extortion & internal breaches, threats to your organisation’s infrastructure are unrelenting. Today’s businesses must consider smartphones, tablets, and consumerization of IT, combined with telecommuters, contractors, partners, and business-critical services hosted in the cloud. Security is more important than ever—and far more complex. To defend your information and systems, you need an adaptable, multi-layered defensive strategy that encompasses all the components of your IT environment, from the network to the perimeter, data, applications and endpoints, minimising and managing the weak points and vulnerabilities that expose your organisation to risk. activereach’s end-to-end portfolio of network security solutions can protect your business from advancing threats, enhance network performance, and optimise operational efficiencies.
