Best Email Security Software - Page 3
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Compare the Top Email Security Software as of April 2026 - Page 3
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Preventive protection for cloud-based applications such as email, collaboration, and storage. A powerful combination of spam filtering, anti‑malware scanning, anti‑phishing, and advanced threat defense capabilities. Equip your Microsoft 365 Exchange Online, OneDrive, Teams, and SharePoint Online with an extra layer of advanced protection. Helps eliminate unsolicited emails, targeted attacks, and ransomware, allowing employees to focus on their jobs and ensure business continuity. Get immediate notifications direct to your dedicated console, or via alerts. New users are protected automatically. Provides advanced protection for Microsoft 365 applications against malware, spam, or phishing attacks with ultimate zero-day threat defense and an easy-to-use cloud management console. Now using an enhanced, award-winning engine with improved performance, this essential component filters all spam emails and keeps user mailboxes free of unsolicited or undesired messages.Starting Price: $119.50 per year
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Sendmarc
Sendmarc
At Sendmarc, we understand the importance of DMARC compliance and have built a platform specifically designed to implement it quickly and seamlessly across your entire organisation. Our platform's interoperability allows for the easy assessment and proactive monitoring of data from multiple email service providers, ensuring that your company's entire email ecosystem is secure. By following our well-defined process, you can achieve full protection from email impersonation and spoofing attacks, while still allowing legitimate email services to operate without interruption. Our approach also minimises the risk of false positives, so you can trust that your domain is in good hands. With Sendmarc, you'll see immediate improvements in your email security, compliance, visibility, and delivery. Our expert engineering team is laser-focused on DMARC, so you can be confident in their ability to get your business fully protected within 90 days. Don't leave your domain vulnerable to fraudulenStarting Price: $39 -
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Raptor Email Security
Peregrine Computer Consultants Corporation
Raptor Email Security is an MX-based email security solution designed by industry experts to stop spam, phishing, and malware attacks using a unique scoring framework and multiple technologies including SpamAssassin, ClamAV, MIMEDefang, and Sendmail. Let our experts handle the annoying spam for you! No Spam. Zero Tickets. 2X Resources. With your email going through our servers, we handle the brunt of most cyber attacks which keeps your server better protected! With less resource usage, you'll be able to increase your hosting revenue and monetize your server by adding more hosting accounts. Raptor Email Security also comes with Raptor Review which provides a detailed, expert analysis of your email configuration. It's a phishing hotline and white glove service to definitively fix your email problems including blocking spam, improving email deliverability, identifying scams, finding missing email, and unblocking good email. Set up in minutes. Free 30 Day Trial Available!Starting Price: $15/server/month -
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Shroud.email
Shroud.email
Your email address is your ID on the web. Keep it private with aliases that forward messages to your inbox, minus the trackers. The next time a website asks for your email, use Shroud.email to create a unique alias that hides your identity. All emails sent to your aliases will be forwarded on to your real email address. You never need to give out your real address again. Our advanced tracker blocking strips out trackers from your emails, so the sender can't snoop on your inbox. When you no longer need an alias, you can simply delete it. Or if there's just a single sender who's bugging you, you can block them!Starting Price: $2.48 per month -
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Keplersafe
Keplersafe
All-in-one security with 1-click resolve that protects your entire business. A unified threat protection solution designed to bring you cutting-edge, holistic defense with zero drain on your IT resources. Our AI anticipates risk, then proactively identifies and addresses issues automatically, saving you valuable time. Keplersafe is the complete solution that makes it easy to be compliant for mid-market businesses with any sized IT or security team by helping to ensure you're protected according to best practices and accepted industry standards. The Keplersafe platform is built on the principle of holistic, non-disruptive security. Our platform employs innovative AI technology and behavioral analysis to assist businesses in staying secure and compliant, without IT teams having to worry, investigate or fix issues themselves. Keplersafe is based in New York City, with Sales and R&D offices around the globe.Starting Price: $8.99 per month -
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Document GPS
ShelterZoom
The only platform for tokenizing your digital files from inside your email account. Protect documents, videos, audio files, and more in one click. Digital content ownership and control are now easier than ever. End-to-end encryption without changing email attachment workflow. Control who can download, share, and view your attachments. Track who has downloaded, shared, or viewed your attachments in real time. Effortlessly manage, track, and monitor your email attachments in one library. Send clients a secure link to enable them to exchange files with you securely. Block your device screen to prevent unauthorized screenshots and copying. Unlimited e-sign directly in your email, providing unprecedented convenience and security. Prevents data breaches, ransomware, wire fraud, and more. End-to-end protection from desktop to mobile to external devices. Originator-controlled, always know who created the files and IP.Starting Price: $5 per month -
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Mailock
Beyond Encryption
Mailock secure email empowers companies to exchange sensitive information with customers, without risking their data. It combines award-winning encryption technology with multi-factor identity authentication to protect confidential emails from cyber risk and keep customer information protected. Compose a secure email from your desktop, browser, or use rules and keywords to initiate the encryption. Set authentication challenges to verify your recipients’ identity so only the right people gain access. Keep audit trails for every message and track your recipients’ activity with real-time read notifications. Recipients can encrypt their replies for free. Empower your customers with a secure thread to your business. Deliver confidential documents to your customers at high volume with automated secure email delivery.Starting Price: $9.30 per user per month -
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VIPRE SafeSend
VIPRE Security Group
Protect your organization from accidental data breaches with VIPRE SafeSend, the ultimate safeguard for Microsoft Outlook. SafeSend prompts users to confirm external recipients and attachments before sending emails, reducing the risk of misaddressed messages. Unlike traditional Data Loss Prevention (DLP) solutions that simply block emails after they’re sent—adding strain to already overstretched security teams—SafeSend proactively empowers employees to recognize and prevent mistakes in real time. It also scans outgoing emails and attachments to ensure sensitive data stays within your network. Over time, users develop better email habits, enhancing your organization’s security posture. Choose from two tailored packages: one focused on preventing misaddressed emails and another designed to meet comprehensive DLP requirements. With VIPRE SafeSend, you’re not just protecting data—you’re building a smarter, more security-conscious workforce.Starting Price: $30/user/year -
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Keepnet Labs
Keepnet Labs
Keepnet’s extended human risk management platform empowers organizations to build a security culture with AI-driven phishing simulations, adaptive training, and automated phishing response, helping you eliminate employee-driven threats, insider risks, and social engineering across your organization and beyond. Keepnet continuously assesses human behaviors through AI-driven phishing simulations across email, SMS, voice, QR codes, MFA, and callback phishing to reduce human-driven cyber risks. Keepnet's adaptive training paths are tailored to individual risk levels, roles, and cognitive behaviors, ensuring that secure behaviors are embedded to continuously reduce human cyber risk. Keepnet empowers employees to report threats instantly. Using AI-driven analysis and automated phishing responses, security admins respond 168x faster. Detects employees who frequently click phishing links, mishandle data, or ignore security policies.Starting Price: $1 -
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ESET PROTECT Complete is a comprehensive cybersecurity solution designed to safeguard business endpoints, cloud applications, and email systems. It offers advanced protection against ransomware and zero-day threats through cloud-based sandboxing technology and machine learning-driven detection. It includes full disk encryption capabilities, aiding compliance with data protection regulations. ESET PROTECT Complete also provides robust security for mobile devices, file servers, and email servers, incorporating anti-malware, anti-phishing, and anti-spam measures. Its centralized, cloud-based management console allows for streamlined deployment, monitoring, and response to security incidents across the organization. Additional features include vulnerability and patch management, ensuring that software vulnerabilities are promptly identified and addressed.Starting Price: $287.72 one-time payment
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ESET PROTECT Elite
ESET
ESET PROTECT Elite is an enterprise-grade cybersecurity solution that integrates extended detection and response with comprehensive multilayered protection. It offers advanced threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent zero-day threats and ransomware. The platform includes modern endpoint protection for computers and smartphones, server security for real-time data protection, and mobile threat defense. It also features full disk encryption, helping organizations comply with data protection regulations. ESET PROTECT Elite provides robust email security, including anti-phishing, anti-malware, and anti-spam technologies, along with cloud app protection for Microsoft 365 and Google Workspace. Vulnerability and patch management capabilities allow for automatic tracking and patching of vulnerabilities across all endpoints.Starting Price: $275 one-time payment -
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Gblock
Jacopo Beschi
Gblock is a Chrome extension that protects your privacy in Gmail by blocking email senders from tracking you. Gblock provides you with full protection against email tracking, shielding you from tracking links, spy pixels, and anonymizing you via our proxy. Plus, with automated tracker detection, Gblock stays up to date to block new trackers as they are released! ✔️ SPY PIXEL PROTECTION ✔️ TRACKING LINK PROTECTION ✔️ AUTOMATED TRACKER DETECTION _________________________________________________________ 30 DAYS FREE TRIAL, NO CREDIT CARD REQUIRED Gblock comes with a 30-day trial, after which a paid subscription is required.Starting Price: $12/year -
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Suped
Suped
Suped is a DMARC monitoring platform that helps startups and enterprises secure their email. We provide clear analytics, instant threat alerts for spoofing attempts, and step-by-step guidance to strengthen your domain's security. Stop phishing, improve your domain reputation, and make sure your emails hit the inbox every time. DMARC Report Analysis: Automatically processes complex aggregate (RUA) and forensic (RUF) reports into a simple dashboard. Real-Time Threat Alerts: Instant notifications for potential domain spoofing and phishing attempts. Guided Policy Enforcement: Step-by-step guidance to safely strengthen your DMARC policy to p=reject without blocking legitimate email. SPF & DKIM Monitoring: Track authentication alignment across all your sending services to diagnose delivery issues. Domain Health Score: At-a-glance score based on your compliance, reputation, and blocklist status. Unlimited Domains: Monitor DMARC for all your domains from a single account.Starting Price: $11/month -
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SendForensics
SendForensics
On average, 30% of emails fail to reach their target by dropping straight into customers' spam folders. Reclaim this lost revenue with the most advanced email deliverability system available. The SendForensics Deliverability Score is a unique, predictive modeling of an email's ability to reach any given inbox. To put it simply, it is a measure of an email's 'quality' in terms of how it will be perceived by global filtering-systems/ISPs and even human recipients themselves. Truly the Missing Metric. From email content, to the sending infrastructure, reputation, engagement-history, external feeds (such as Microsoft SNDS*) and more, SendForensics EDS automatically sifts through the datasets to present the biggest cause(s) for concern at every analysis.Starting Price: $49 per user per month -
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RMail
RPost
RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, document rights management, and AI-infused services to prevent data leaks and human e-security errors. RMail’s transmission e-security services are most often used by businesspeople or business systems that send important, sensitive, or consumer-regulated information. These RMail services are generally applied to those messages where the sender needs functionality beyond standard email in terms of (a) easier to use and more automated email encryption for privacy compliance, (b) returning a verifiable proof record of who said what to whom by email, (c) assurance and peace of mind related to delivery and open status of important and time-deadline email, (d) need a timestamped proof of content delivered, (f) need to share large files securely.Starting Price: $7/month/user -
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Avanan
Check Point
Enterprise AI cloud security: prevent phishing, malware, data leakage, account takeover, & shadow IT for full-suite cloud applications like Office 365™. Default security misses far too many malicious emails, necessitating advanced email security to protect the enterprise. Avanan reinvented email security in 2015 because traditional gateways couldn’t, and haven’t, adjusted to the cloud. Avanan’s patented security. Security for all your collaboration apps. Ransomware, account takeover, BEC, supply chain attacks. 99.2% reduction in phishing attacks reaching the inbox. Avanan is powered by True AI, trained on comprehensive data sets to stop the most sophisticated phishing attacks before they reach the inbox. To implement API, machine learning and AI for cloud email security. 5,000+ customers, 60% coming from large enterprise. Ranked Email Security solution in Gartner Peer Insights and G2. -
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Mimecast DMARC Analyzer
Mimecast
Block malware and phishing attacks and increase your email deliverability! Prevent brand abuse, scams and gain full insight into your email channel with DMARC Analyzer. DMARC is an email-validation system. DMARC was created by PayPal together with Google, Microsoft and Yahoo!. With DMARC an organization gains insight and control over the email channel. Organizations can use DMARC to protect their brands against abuse in phishing or spoofing attacks. DMARC Analyzer is one of the pioneers of DMARC and has been helping customers since the introduction of the DMARC standard in 2012. DMARC Analyzer provides user friendly DMARC analyzing software and acts as your expert guide to move you towards a reject policy as fast as possible. DMARC Analyzer provides a SaaS solution which empowers organizations to easily manage complex DMARC deployment. The solution provides 360° visibility and governance across all email channels. Everything is designed to make it as easy as possible.Starting Price: $9.99 per month -
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WikiLocks
WikiLocks
WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.Starting Price: $40 -
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Cynet empowers MSPs and MSSPs with a comprehensive, fully managed cybersecurity platform that consolidates essential security functions into a single, easy-to-use solution. Cynet simplifies cybersecurity management, reduces operational overhead, and lowers costs by eliminating the need for multiple vendors and complex integrations. The platform provides multi-layered breach protection, offering robust security for endpoints, networks, and SaaS/Cloud environments. Cynet’s advanced automation streamlines incident response, ensuring rapid detection, prevention, and resolution of threats. Additionally, the platform is backed by Cynet’s 24/7 Security Operations Center (SOC), where the expert CyOps team delivers around-the-clock monitoring and support to safeguard all client environments. By partnering with Cynet, You can offer your clients advanced, proactive cybersecurity services while optimizing efficiency. Discover how Cynet can transform your security offerings today.
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MailList King
Xequte Software
MailList King brings all the power of a mailing list server to your PC, in an easy-to-use solution that allows you to create, manage and communicate with the people interested in your web site, products or organization. MailList King integrates with all popular E-mail software (such as Outlook, Gmail, etc) or directly with your mail servers to retrieve mailing list messages (subscribes, unsubscribes, undeliverable messages, etc) and deliver processing acknowledgments, double opt-in confirmations and the personalized, rich text messages that you create. If you are trying to manage a mailing list in Excel or Outlook Contacts then MailList King can save you time and money by automatically handling the addition and deletion of people. You can concentrate on creating compelling newsletters and powerful sales messages and let MailList King do the hard work. You don't need to be a computer expert to use MailList King.Starting Price: $99.50 one-time payment -
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Sophos Email
Sophos
Today’s email threats move fast, and growing businesses need predictive email security – defeating today’s threats with an eye on tomorrow. The same technology as our award-winning Intercept X, Sophos Email sandboxing is a deep learning neural network, able to block zero-day malware and unwanted applications. The most advanced anti-ransomware technology available. Sophos email security uses behavioral analysis to stop never-before-seen ransomware and boot-record attacks. Time-of-click URL protection checks the website reputation of email links before delivery and again when you click – blocking stealthy, delayed attacks that other email security can miss. Processing millions of emails per day, the latest threat intelligence from SophosLabs global network ensures your Sophos Email gateway won’t miss any of the thousands of new threats discovered every hour. -
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GFI MailEssentials
GFI Software
Why trust email security to one antivirus engine when you can have the combined power of four? GFI MailEssentials can engage the power of leading brands including BitDefender, Avira, Kaspersky, and Cyren. Each engine features its own heuristics and detection methods. You gain maximum protection for your email environment to block email-borne viruses and other malware more effectively. Spam is estimated to be 45% of your email volume. GFI MailEssentials uses 14 advanced email filtering technologies you can see in action. Filter spam out before it hits email boxes to save your server space and productive time. Block spoofed emails, stop emails from blacklisted DNSs or those that link to known problem URLs or phishing sites, remove non-RFC compliant emails, detect emails from forged senders and more techniques to slash the spam waste. GFI MailEssentials is compatible with different email servers, not just Exchange. It fits seamlessly into your current setup.Starting Price: $99 one-time payment -
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Virtru
Virtru
Easily control access to sensitive data flowing in and out of your organization via email, file sharing, and other applications. All powered by the Trusted Data Format and Virtru’s industry-leading platform for Zero Trust Data Control. Virtru integrates natively within the apps your teams already use, securing workflows in Google, Microsoft 365, Salesforce, Zendesk, and more. We make military-grade encryption accessible to everyone. Deploy Virtru across your organization in less than a day and meet your compliance goals. Granular access controls safeguard your most valuable asset — your data — throughout its entire lifecycle, everywhere it travels. Collaborate securely in Docs, Sheets, and Slides. Store and share files in Drive. Message via Gmail and Google Meet. Secure messages flowing through enterprise and custom apps. Seamlessly protect emails and files shared via Outlook. -
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M365 Manager Plus is an extensive Microsoft 365 tool used for reporting, managing, monitoring, auditing, and creating alerts for critical activities. With its user-friendly interface, you can easily manage Exchange Online, Azure Active Directory, Skype for Business, OneDrive for Business, Microsoft Teams, and other Microsoft 365 services all from one place. M365 Manager Plus provides exhaustive preconfigured reports on Microsoft 365 and helps you perform complex tasks including bulk user management, bulk mailbox management, secure delegation, and more. Monitor Microsoft 365 services around the clock, and receive instant email notifications about service outages. M365 Manager Plus eases compliance management with built-in compliance reports and offers advanced auditing and alerting features to keep your Microsoft 365 setup secure.Starting Price: $345 per year
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MailGuard
MailGuard
Cybersecurity is one of the most significant issues facing business today. With more than 293 billion emails sent throughout the world every day, that's more than 2 trillion messages each week, and growing. Combined with more than 3.48 billion+ social media users throughout the world, and 4.49 billion+ internet users, the explosion in personal and professional data makes a hotbed for cybercrime networks. In this climate of fast-paced attacks, every minute matters. Cybercriminals bank on the element of surprise. Benchmarking shows MailGuard is consistently between 2 hours and 48 hours ahead of the market in preventing fast-breaking attacks. MailGuard’s proprietary “Hybrid AI (Artificial Intelligence)” approach is unique in predicting and learning about new and emerging threats. Combined with our cloud-based web and email solutions, MailGuard is uniquely positioned to apply immediate protection to users throughout the world. -
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BUFFERZONE
Bufferzone Security
BUFFERZONE provides a patented containment and disarming solution that defends endpoints against advanced malware and zero-day attacks while maximizing user and IT productivity. By isolating potentially malicious content coming from browsers, email and removable media, BUFFERZONE defends individuals and organizations from advanced threats that evade detection. BUFFERZONE disarms content for securely transferring it from the container to the native endpoint and secure network zones, and provides critical intelligence for enterprise-wide security analytics. Easy to deploy and configure, BUFFERZONE is a lightweight solution that provides cost-effective containment for up to thousands of endpoints. -
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totemomail
Totemo
Email communications are particularly vulnerable to data breaches. It does not take a great deal of effort for anyone who wants to intercept an email message to do so. This places extra security requirements on the email communication of companies and institutions of all sizes and industries. The use of a reliable secure email solution for exchanging sensitive information is therefore essential. So, how can you send emails securely? The FIPS 140-2 validated totemomail® product family meets all of today's security and compliance demands, helping firms to strictly observe security policies, as well as monitor them comprehensively for audits. It is also optimized for mobile devices. Maximum security and confidentiality for all emails and attachments. Automated and centralized certificate and key management. Clear graphical user interface provides easy administration. No need to install dedicated email clients or plug-ins. -
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EuropeanMX
Eunetic
Protects your email communication from spam and viruses. EuropeanMX offers all-around spam protection as a cloud-hosted easy to set up "Software as a Service" solution, completely without expensive software installation on your servers or clients. Use our easy to set up SaaS solution as a reliable spam and malware filter. Our high-performance filter offers nearly 100% accuracy and virtually no false positives. Protect your IP ranges and prevent getting blacklisted. Automatically lock hijacked email accounts, block outgoing spam, and be informed about any suspicious activity. Continuously archive your emails to have a rotating backup at hand. Our archiving solution works in accordance with the current legal directives of the European Union. Strengthen the native security of Microsoft Office 365 or Microsoft Exchange with the sophisticated level of protection and scalability EuropeanMX offers. -
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Comodo Dome Antispam
Comodo Group
Secure Email Gateway is an enterprise anti-spam and threat prevention system that uses a sophisticated array of spam filters, anti-virus scanners and content analysis engines to prevent unsolicited mail from ever entering your network. Security needs differ from employee to employee. You may want to apply different security levels to different employees such as from finance or sales departments. Dome Anti-spam gives you the freedom to define different types of profiles with different security features and restrictions. Containment protects from the newest forms of ransomware, zero-malware, and other advanced threats. The Valkyrie file verdict system analyzes unknown files. Users are free to open, execute and use the attachments with ZERO risk of infection. Comodo's unique containment technology ensures that risks are fully contained before reaching the end point, so there is no risk of infection, even from the newest malware.Starting Price: $4.00/one-time/user -
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Echoworx
Echoworx
Echoworx is a fully managed, cloud-based SaaS email encryption solution trusted by businesses worldwide. It offers 8 secure delivery methods, supports 28 languages, and features 9 authentication options, enabling secure communication anywhere, on any device. Key Features: • Multiple Secure Delivery Methods: Web Portal, S/MIME, PGP, Secure PDF, Certificate Encryption, Secure Attachment (PDF, Office, ZIP), TLS with fallback • Free Proof of Concept (POC): Experience full functionality with a risk-free trial • 24/7 Technical Support • Extensive Branding Options • Message Tracking & Recall • End-to-End Deployment: Seamless integration and setup across platforms • Advanced Authentication: Full OAuth Access, Self-Registration, SMS, Shared Secret Passphrase, SSO, System-Generated Verification Codes, Passwordless, and Multi-Factor Authentication (MFA) • Accessibility by Design • Self-Service Account Management
