Best Email Security Software with a Free Trial
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Compare the Top Email Security Software with a Free Trial as of May 2026
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What is Email Security Software with a Free Trial?
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 with a Free Trial currently available using the table below. This list is updated regularly.
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1
Guardz
Guardz
Guardz is the unified cybersecurity platform purpose-built for MSPs. We consolidate the essential security controls, including identities, endpoints, email, awareness, and more, into one AI-native framework designed for operational efficiency. Our identity-centric approach connects the dots across vectors, reducing the gaps that siloed tools leave behind so MSPs can see, understand, and act on user risk in real time. Backed by an elite research and threat hunting team, Guardz strengthens detection across environments, turning signals into actionable insights. With 24/7 AI + human-led MDR, Guardz utilizes agentic AI to triage at machine speed while expert analysts validate, mitigate, and guide response, giving MSPs scalable protection without adding headcount. Our mission is simple: give MSPs the scale, confidence, and clarity they need to stay ahead of attackers and deliver protection to every SMB they serve. -
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EasyDMARC
EasyDMARC
EasyDMARC is a B2B SaaS solution that makes email authentication simple for small, medium, and enterprise businesses. In short, we secure domain and email infrastructure, protecting you and your business from phishing (email spoofing) attacks and increasing email deliverability. EasyDMARC’s deliverability tool, EasySender, covers all the aspects of email deliverability. The variety of features on the platform cover email list verification, mailbox warmup, and inbox placement. With EasyDMARC, you can achieve the following: -Visibility to the business email environment -Business identity control -Operations and communication security -Email deliverability With offices in the US, Netherlands, and Armenia, the company delivers the most comprehensive products for anyone who strives to build the best possible defence for their email ecosystem. EasyDMARC ultimately provides peace -
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PowerDMARC
PowerDMARC
PowerDMARC is a comprehensive email security solution designed to protect your brand reputation and safeguard your email communications. By leveraging advanced technologies such as DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, PowerDMARC offers a robust defense against email threats like spoofing, phishing, and ransomware. Our user-friendly platform simplifies complex configurations, empowering you to easily manage and monitor your email security posture. With AI-powered threat intelligence, you gain valuable insights to proactively identify and mitigate emerging threats. Trusted by over 2000 organizations globally, including Fortune 100 companies and governments, PowerDMARC is your trusted partner in securing your email infrastructure.Starting Price: $8 per month -
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Bitdefender Ultimate Small Business Security
Bitdefender
Bitdefender Small Business Security delivers enterprise-grade, layered cyber-protection designed specifically for small organizations. It covers Windows, macOS, iOS, and Android devices with centralized, easy-to-use management, so businesses without a dedicated IT staff can deploy and monitor security from one dashboard. Key features include multi-layered endpoint protection (machine learning, behavioral analytics, real-time monitoring, process termination, and rollback) to prevent known and unknown threats. It offers ransomware prevention and mitigation (detecting abnormal encryption attempts and restoring files from backups), fileless attack protection (memory/back-injection interference, script blocking), phishing & fraud prevention (blocking deceptive sites and warning users), and advanced exploit protection (real-time shield of browsers, Office apps, Adobe Reader) for comprehensive endpoint defense.Starting Price: $18.99 per month -
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ToogleBox
ToogleBox
A secured platform helping Super Admins, IT Managers, Marketing Managers, and HR Managers automate, secure, and manage Google Workspace functionalities. Running natively on GCP, our modular suite bridges the gap between standard Google functionalities and enterprise governance. ToogleBox Core Capabilities: 1. Email Damage Control: Execute domain-wide queries to bulk-delete malicious phishing emails in real-time or recall internal mistakes. 2. User Directory Management: Centrally control your employees' data, corporate email signatures, vacation responders, and shared calendars. 3. Contacts & Groups: Use attribute-based automation to create and update distribution lists. Delete obsolete internal contacts and manage shared contacts. 4. InfoBox: Targeted corporate information management for your entire organization's ecosystem. Integrates via Google Workspace Marketplace APIs, Admin SDK, and Gmail API. Protected by Veracode SAST/DAST, CASA Tier 3, and GDPR complianceStarting Price: $4/user/year -
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ESET Protect Advanced is a comprehensive cybersecurity solution designed for businesses of all sizes. It offers advanced endpoint protection against ransomware, zero-day threats, and sophisticated attacks with ESET LiveSense technology. It includes full disk encryption for legal compliance and data protection. The solution features proactive cloud-based threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent new threats. Mobile threat defense secures Android and iOS devices with anti-malware, anti-theft, and mobile device management. It also provides cloud app protection, mail server security, and vulnerability and patch management. Extended detection and response (XDR) enhances threat detection and response, while multi-factor authentication adds security. The solution offers single-pane-of-glass remote management for visibility into threats and users, along with advanced reporting and custom notifications.Starting Price: $275/month/5 devices
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NeoCertified Secure Email
NeoCertified
NeoCertified protects sensitive information through our secure email application across our versatile Cloud-based platform on any web browser, through Microsoft Office 365/Outlook plug-ins, and Gmail integration. iPhone + Android mobile apps are also available directly on your mobile devices. We have provided federally compliant, secure email solutions since 2002, and have helped businesses send and receive secure emails on any web browser or mobile device. NeoCertified also works across all email providers to give businesses the flexibility and assured protection they desire and deserve.Starting Price: $99.00/year/user -
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Paubox
Paubox
Healthcare's simple, easy, and scalable way to email secure, HIPAA compliant patient information. Keeping patient data secure and remaining HIPAA compliant is a top concern for healthcare organizations, especially when it comes to email. Paubox Email Suite provides guaranteed encryption so you can rest assured your patient data is protected. Our HIPAA compliant email service removes the hassle of portals and passcodes by sending encrypted emails that can be read right in your recipient’s inbox. Healthcare email encryption is easy with our patented tools which integrate easily into your existing email system with no training necessary for employees. Paubox HIPAA compliant email service is designed to empower IT and simplify the process for end-users, making the frustrations and vulnerability of emailing PHI a thing of the past.Starting Price: $29/month -
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SpamTitan
TitanHQ
SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.Starting Price: $2.14/user/month -
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Mailfence
Mailfence
Mailfence is an encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. Mailfence comes with a plethora of features that boost collaboration without compromising security and convenience. Mailfence documents allow you to safely store and edit documents, you can also share docs with your team with the push of a button. Mailfence calendar will keep your tasks, meetings, and events all in one secure place. Mailfence contacts will store your contacts and it will give you the ability to create mailing lists to maximize efficiency. We designed Mailfence to be a fully interoperable suite, which means you can synchronize Mailfence with most services out there. Mailfence business offers fully customizable whitelabel versions of the Mailfence interface. To put the cherry on top, Mailfence donates 15% of revenues of PRO subscriptions to IFF and EDRI to bolster the fight for Online privacy.Starting Price: $2.50/month/user -
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FileWall
Odix
odix - a market leader in Enterprise CDR (Content Disarm and Reconstruction), is now offering FileWall, a native cybersecurity application for Microsoft Office 365 mailboxes for SMEs. FileWall™ is designed to run in conjunction with existing Microsoft security solutions such as EOP and ATP, ensuring complete prevention against unknown attacks delivered via email attachments. FileWall™ doesn’t harm/change any of Microsoft sender related security capabilities.Starting Price: $1 per user, per month -
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KDMARC
Kratikal Tech
KDMARC is an email authentication and anti-spoofing solution that helps organizations in securing their outbound mail flow. KDMARC's Dynamic SPF feature allows the whitelisting and blacklisting of domains and IPs in a single click on the KDMARC dashboard. Dynamic DMARC allows the change in policy (None, Quarantine and Reject) at real time. The tool is aimed at helping customers take relevant security actions in a timely manner to ensure more robust email security. KDMARC allows organizations to trust their mailbox by ensuring prevention of brand abuse, increasing email deliverability, prohibiting malware & ransomware attacks thus, boosting email engagement rate. -
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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.Starting Price: $0/month
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N-able Mail Assure
N-able
N-able Mail Assure cloud-based email security solution provides advanced threat protection for inbound and outbound email using collective threat intelligence, 24/7 email continuity, and long-term email archiving. The service includes a multitenant web-interface with predefined settings, reporting, and views designed to ensure control and visibility over email flows. N-able Mail Assure’s proprietary technology incorporates input from processing large volumes of email data that feeds the Intelligent Protection and Filtering Engine. This combined with real-time pattern threat recognition leveraging a variety of filtering technologies help protect against spam, viruses, phishing attacks, impersonation, spoofing, malware, and other email-borne threats. -
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365 Total Protection
Hornetsecurity
365 Total Protection from Hornetsecurity offers comprehensive protection for Microsoft cloud services – specially developed for Microsoft 365 and seamlessly integrated to provide comprehensive protection for Microsoft cloud services. Easy to set up and extremely intuitive to use, 365 Total Protection simplifies your IT Security management from the very start. Protect your Microsoft 365 against phishing, ransomware, advanced threats and data loss with 365 Total Protection Enterprise Backup, a unique cloud-based, all-in-one security and backup suite. Benefit from the expertise of Hornetsecurity, leading email security and backup specialists, known for their tried and tested, award-winning solutions, 365 Total Protection (email security for M365) and 365 Total Backup (backup and recovery for M365). -
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Checkpoint Anti-Spam and Email Security
Check Point Software Technologies
Check Point Anti-Spam & Email Security provides comprehensive protection for messaging infrastructure. A multidimensional approach protects email infrastructure, provides highly accurate anti-spam coverage and defends organizations from a wide variety of virus and malware threats delivered within email. Comprehensive email security with 97% spam detection. Advanced anti-spam protection, including content-based and via IP reputation. Offers antivirus protection with both zero-hour and signature-based detection. Email IPS protection against Denial of Service (DoS), buffer over-flow attacks. Simplified configuration and management of mail security. Simple configuration with low management-overhead. Full user control with no user installation required. Real-time detection and updates provide immediate protection from outbreaks. Integrated into the Check Point Infinity Architecture. Activate Anti-spam and email security on any check point security gateway. -
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Zivver
Zivver
Zivver is the effortless, smart, secure digital communications platform powering the next generation of secure digital communications. Trusted by over 5,000 organizations globally, Zivver prevents data leaks caused by human error and ensures compliance. Zivver seamlessly integrates with all major email clients including Gmail, Outlook, and Microsoft 365 and features unparalleled zero-keys encryption, with smart features such as contextual machine learning powered business rules. Zivver allows anyone to share large files up to 5TB securely via their existing email client. Zivver is fully compliant with all leading data security standards, including ISO 27001, NTA 7516, GDPR, HIPAA.Starting Price: 0.99€/month/user -
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SecurityGateway™ for Email Servers
MDaemon Technologies
Developed by MDaemon Technologies, an email industry pioneer, Security Gateway's email threat detection technology has been protecting email servers from viruses, spam, phishing, data loss and other threats for over 20 years. Simply put, companies trust our expertise to help keep email communications safe. We protect all email platforms including Microsoft Exchange, Office 365 and others. Let our team of email security experts take the headache out of managing your company's email security needs. Security Gateway uses the latest email threat detection technology and policy enforcement tools to keep good emails flowing to and from your users. The Security Gateway cloud service can be deployed quickly and easily, allowing you to focus on other important tasks. Watch a short video to learn about some of the Security Gateway features.Starting Price: $1 per user per month -
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Hornetsecurity Advanced Threat Protection
Hornetsecurity
With the comprehensive features of Advanced Threat Protection, even the most sophisticated cyber-attacks have no chance: Freezing, URL scanning and rewriting, the Sandbox Engine and Malicious Document Decryption are able to cope with a multitude of methods in order to ward off all potential threats. Thus protecting your IT infrastructure from threats like Ransomware, Targeted Attacks, Business Email Compromise and many more. -
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GoDMARC
Neuailes Global Technologies
Actively block phishing Boost Email Deliverability Get Visibility - DMARC. To secure your inbox and boost email deliverability check your domain status below. What is DMARC? DMARC is an email authentication protocol designed to offer email domain owners the ability to safeguard their dedicated domain from unauthorized usage. DMARC at a Glance Professional DMARC Services. The most commonly used technical term DMARC is the abbreviation for Domain-based Message Authentication Reporting & Conformance. It is a modus operandi that makes the use of Sender Policy Framework (SPF) and Domain Keys Identified Mail (DKIM) in order to identify the legitimacy of a message in the form of an email. Both SPF and DKIM play an important role and DMARC requires them for the specific purpose. It aims to improve and monitor domain protection from the varied fraudulent emails send by fraud minds active in the different corners of the world. With DMARC you can instruct receiving serversStarting Price: $144 -
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Kevlarr
Kevlarr
Kevlarr is the ultimate DMARC monitoring and management solution tailored exclusively for MSPs. Purpose-built from the ground up, our platform empower Our dashboard takes the complexity out of setting up and maintaining a strict DMARC policy. All irrelevant data is omitted through our AI-driven filters. Monitoring data related to spoof attacks or forwarded emails can be filtered out by our AI filters. As a result, you only have to pay attention to data that you or your customer actually have control over. This can save your specialists a lot of time. Our wizard guides you through the process of DMARC management. We have put our knowledge and years of experience in the field of DMARC management into this solution. For each customer, we zoom in on all domains that require your attention. Starting with the most urgent issues. This way you can be sure that you don't miss anything.Starting Price: $/domain/month -
22
Kerio Connect
Aurea
Secure, enterprise-style email, calendar & collaboration without the high cost. Kerio Connect delivers all the features and functionality for collaboration and messaging solution without the complexity and high price tag of other systems. Email is integrated with shared calendars and scheduling, contacts management, tasks, notes, shared and public folders, and instant messaging. Synchronize messages by direct push to your choice of mobile device via Microsoft ActiveSync. Instant Messaging is XMPP-compatible and can be used from various 3rd party chat/IM applications on desktop and mobile phones. You can install Kerio Connect in 10 minutes and users can be up and running in just 10 minutes more. Kerio Connect can be deployed on-premises or in partner-hosted cloud environments. Deploy for users on Mac, Windows, or Linux; plus full support for Outlook (Windows and Mac) and many other IMAP or POP compliant email clients.Starting Price: $36.50 -
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OnDMARC
Red Sift
OnDMARC is a Red Sift product. Red Sift is an open cloud platform that makes cybersecurity accessible to everyone to prevent cyber attacks. OnDMARC makes implementing and maintaining a secure DMARC policy easy. OnDMARC not only processes complex XML reports for you but, combined with machine learning and excellent customer support, gets users to full protection quickly but sustainably. Some of our unique features include: - Investigate - View changes to your DNS live instead of waiting 24 hours - Dynamic SPF - Overcome the 10 DNS lookup limit - Threat Intelligence - Automatically classify IP Sources - External Accreditation - ISO27001 certified - Dedicated support - Live Chat & 750+ Knowledge Base Articles Our partnerships with Verified Mark Certificate (VMC) Providers also supports customers to deploy BIMI.Starting Price: $35.00/month -
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SEPPmail
SEPPmail AG
Sending and receiving digitally signed and encrypted emails is easier and more convenient than ever before. Thanks to the Secure E-Mail Gateway from SEPPmail with integrated and patented GINA procedure for spontaneous encryption, SMEs and large companies secure their entire e-mail communication at the highest level, with the least effort and simplest handling for sender and recipient. With its comprehensive Secure Email solution, SEPPmail is setting new standards for secure, GDPR-compliant email communication. As one of the world’s leading email encryption and signature solutions, SEPPmail includes all the features to protect the sending of confidential data via email, guarantee the authenticity of the sender and ensure the confidentiality and integrity of the message. Thanks to its modularity, the secure e-mail gateway solution can be configured according to customer-specific requirements and expanded seamlessly.Starting Price: 4.5 € per user per month -
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Xink
Xink
Manage Microsoft 365 or Google Workspace email signatures in one place with Xink's powerful web portal - built on a decade of experience with email signature management. Get consistent, branded and up-to-date signatures for all employees across devices, departments, and geography. Create customized and targeted email signature marketing banners below the contact details to share updates, achievements, values, promote content and much more! All with clickable call-to-actions to help you drive traffic and interest. With role-based login, the marketing or communications department can easily manage it. After the initial setup (45 min), IT has no workload. Safely hosted at ISO 27001-certified data centers (Microsoft Azure). This ensures the best, most secure data storage available – under all laws and regulations, including GDPR.Starting Price: $1/user/month -
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VIPRE Email Security
VIPRE Security Group
VIPRE Email Security protects your email users and business network from the latest, most sophisticated malware, weaponized attachments, and phishing threats that bypass traditional detection methods. As a secure email gateway, it analyzes inbound and outbound emails in real-time for threats. Powerful visual analytics provide visibility into ongoing attacks, enabling quick and precise response to threats. With a simple integration into Microsoft 365, VIPRE can remove malicious or suspicious emails from a user’s inbox even after delivery. Available in two versions: VIPRE Email Security Cloud provides strong core protection, while VIPRE Email Advanced Threat Protection offers advanced, AI-driven techniques for file attachment and link analysis.Starting Price: $30/seat/year -
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Spambrella
Spambrella
Dynamically classify imposter email. Preemptively identify and sandbox suspicious URLs. Leverage big-data analysis to accurately classify bulk mail. All within a single service that connects with Microsoft 365 and Google Workspace. Spambrella’s Email Security and User Awareness Training technology is used by some of the World’s largest and most successful security-conscious companies in a multitude of continents and environments. Delivered on a global scale, Spambrella is ready to unify your email security and user awareness training requirements. Think of us as your outsourced email security team! We have deep technical expertise of all other service providers such as MxLogic, Mimecast, Symantec.cloud and know how to migrate you effortlessly. Schedule a demo today with our cybersecurity experts to uncover email threats targeting your email users.Starting Price: $1.00 -
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Send It Secure
Protected Trust
Send and receive secure emails that enable you to meet HIPAA & GLBA compliance standards. Protected Trust Email Encryption is now Send It Secure by Protected Trust. You may know us as Protected Trust Email Encryption, or perhaps just Protected Trust. As our email encryption product has grown and our company offerings have increased, we believe it is the right time to create a new brand for our email encryption product. Our new brand comes with the product the market has learned to trust, and we welcome an even better user experience and an improved product designed to meet your needs. We are recognized as one of the most powerful encryption solutions on the market for the secure exchange of confidential data. Your trust and protecting your data are our priority. We are excited to bring you our updated email encryption solution, Send It Secure by Protected Trust.Starting Price: $15 per month -
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Guardian Digital
Guardian Digital
Guardian Digital secures against email threats like phishing, zero-day exploits and ransomware attacks that define the modern threat landscape email users face every day. We believe email security is business security, as greater than 90% of all cyber attacks originate from an email. The most effective email protection is delivered through a purpose-driven solution designed to close critical security gaps in Microsoft 365 and Workspace, coupled with the expert setup, ongoing remote system management and accessible support required to improve IT security. With real-time cybersecurity business insights, we help you understand what your risk profile is today, and protect you from the dangers that all businesses face. EnGarde Cloud Email Security - Key Features: • Phishing, spoofing & impersonation protection • Link & file analysis • Zero-day attack protection • Malware & Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Comprehensive management & support serviceStarting Price: Monthly & Annual Subscriptions -
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Palisade
Palisade Technologies
The Next-Generation AI-Assisted DMARC Solution Tired of wrestling with complicated DNS records, cryptic authentication protocols, and endless manual checks? Meet Palisade, the first fully automated DMARC implementation and monitoring platform built with AI at its core. We empower organizations of all technical levels to boost email deliverability and prevent domain spoofing and impersonation.Starting Price: $29.99
