Best Email Security Software with a Free Trial of 2025

Cynet equips MSPs and MSSPs with a fully managed, all-in-one cybersecurity platform that brings together essential security functions in a single, user-friendly solution. By consolidating these capabilities, Cynet simplifies cybersecurity management, reduces complexity, and lowers costs, eliminating the need for multiple vendors and integrations. With multi-layered breach protection, Cynet delivers robust security for endpoints, networks, and SaaS/Cloud environments, ensuring comprehensive defense against evolving threats. Its advanced automation enhances incident response, enabling swift detection, prevention, and resolution. Supported by a 24/7 Security Operations Center (SOC), Cynet’s CyOps team provides continuous monitoring and expert guidance to keep client environments secure. Partnering with Cynet allows you to deliver cutting-edge, proactive cybersecurity services while improving operational efficiency. See how Cynet can redefine your security offerings and empower your clients today.

SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!

EasyDMARC is a cloud-based DMARC solution for securing domains and email infrastructure, protecting organizations against phishing attacks, and more: Brand Protection Our email protection SaaS platform stops hackers from sending phishing emails to customers from company names, gaining access to accounts, and stealing personal information. Increased Email Deliverability EasyDMARC informs receiving mail servers that emails are legitimate and authentic, ensuring they’re delivered to the inbox instead of blocked or sent to spam. Visibility Into Cyber Threats EasyDMARC helps to successfully monitor every aspect of your email authentication and enforce effective protection from phishing attacks thanks to its advanced reporting capability. Business Email Compromise (BEC) Protection Most people have seen emails pretending to be from the CEO, CFO, or another executive in their organization. EasyDMARC prevents business email compromise and keeps your company reputation on the highest level․ 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.

PowerDMARC is a robust email security solution that safeguards your brand reputation and email communications from threats like spoofing, phishing, and ransomware. By leveraging advanced technologies such as DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, PowerDMARC empowers you to protect your email infrastructure. With a user-friendly platform, PowerDMARC simplifies complex configurations, enabling you to easily manage and monitor your email security posture. AI-powered threat intelligence provides 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.

Our state-of-the-art protection system offers robust defense against phishing, ransomware, and the ever-changing landscape of email threats. Seamlessly integrating with your current infrastructure, our solution fortifies your security measures, whether implemented in the cloud or on-site.

ESET Protect Advanced offers a comprehensive cybersecurity solution for businesses of any size. It offers advanced endpoint security against ransomware and zero-day threats. It also includes full disk encryption to ensure legal compliance and data security. The solution uses adaptive scanning, cloud sandboxing and behavioral analysis for proactive cloud-based threats defense. Mobile threat protection secures Android and iOS with anti-malware and anti-theft. It also offers cloud app security, mail server protection, vulnerability and patch management, and cloud app protection. Multi-factor authentication and extended detection and reaction (XDR) improve threat detection and response. The solution provides a single pane of glass remote management to provide visibility into threats and users. It also offers advanced reporting and customized notifications.

Guardz is an AI-powered cybersecurity solution that provides MSPs with a platform to protect and insure small and growing businesses from cyberattacks. The platform provides automatic detection and response to protect users, devices, cloud directories, and data. We simplify cybersecurity management to allow businesses to focus on their growth without being bogged down by security complexity. The Guardz pricing model is scalable and cost effective and ensures comprehensive digital asset protection. It also facilitates rapid deployment and business growth.

NeoCertified secures sensitive information via our secure email app across our versatile Cloud-based platform. It works on any web browser through Microsoft Office 365/Outlook plug ins and Gmail integration. You can also download the iPhone + Android mobile apps directly to your mobile devices. Since 2002, we have been providing federally compliant, secure mail solutions. We have helped businesses send and get secure emails from any web browser or mobile device. NeoCertified works with all email providers, giving businesses the flexibility and guaranteed protection they need.

Encyro offers secure file storage, encrypted email and electronic signatures. Encyro's award-winning design makes it easy for you and your clients. Clients don't have to sign up for portal accounts. File sharing and encrypted messaging Encyro allows you to send directly to any email address. Encyro protects your data both during transmission as well as storage to ensure that you are in compliance with HIPAA and other compliance standards such as the GDPR, FINRA and SOX. Securely receive via your custom-branded upload page. Clients do not need to log in or go through additional steps. Electronic Signatures Encyro esignatures are designed for remote signing to protect your transaction. You can control the login options as well as the type of signature to ensure that only the right person is signing. Encyro offers custom branding, automated reminders, re-usable templates for e-sign, and re-usable Encyro e-sign templates. Access codes that comply with NIST-8006363 can be sent by SMS or text for additional security.

Healthcare's easy-to-use, scalable, and simple way to email secure, HIPAA-compliant patient information. Healthcare organizations must ensure that patient data is secure and compliant with HIPAA. This is especially true for email. Paubox Email Suite offers guaranteed encryption, so you can be sure your patient data will be protected. Our HIPAA-compliant email service eliminates the need for portals or passcodes. Instead, encrypted emails can be sent to your recipient and can be read in their inbox. Our patented tools make healthcare email encryption easy. They can be integrated into your existing email system without any training required for employees. Paubox HIPAA-compliant email service was designed to empower IT and make emailing PHI easy for end-users.

Mailfence is an encrypted email provider that uses OpenPGP-based encryption and digital signatures. Mailfence offers a variety of features that allow for collaboration without compromising security or convenience. Mailfence documents allows you to securely store and edit documents. You can also share documents with your team by pressing a button. Mailfence calendar will help you keep track of all your tasks, meetings, events, and other important information. Mailfence contacts will save your contacts and allow you to create mailing lists to maximize efficiency. Mailfence was designed to be fully interoperable. This means that you can sync Mailfence with any service. Mailfence offers fully customizable whitelabel versions for its Mailfence interface. Mailfence donates 15% from PRO subscriptions to IFF or EDRI to support the fight for Online privacy.

odix, a market leader for Enterprise CDR (Content Disarm and Reconstruction), now offers FileWall, a native cybersecurity app for Microsoft Office 365 mailboxes. FileWall™, which is compatible with Microsoft security solutions like EOP and ATP, ensures complete protection against unknown attacks via email attachments. FileWall™, unlike other Microsoft security solutions, doesn't alter or harm any sender-related security capabilities.

KDMARC is an anti-spoofing and email authentication solution that aids organizations in protecting their outbound mail flow. KDMARC's Dynamic SPF feature allows you to whitelist and blacklist domains and IPs with a single click from the KDMARC dashboard. Dynamic DMARC allows you to change your policy (None, Quarantine & Reject) in real-time. This tool is designed to help customers take the appropriate security actions quickly to ensure stronger email security. KDMARC helps organizations trust their mailboxes by preventing brand abuse, increasing email delivery, and preventing malware & ransomware attacks. This allows them to increase email engagement.

N-able Mail Assure, a cloud-based email security system, provides advanced threat protection for both inbound and outbound emails using collective threat intelligence, long-term email archive, and 24/7 email continuity. The service offers multi-tenant web-interfaces with predefined settings, reporting and views that allow for control and visibility over all email flows. N-able Mail Assure's proprietary technology uses input from large volumes of email data to feed the Intelligent Protection and Filtering engine. This, combined with real-time pattern threat detection leveraging a variety if filtering technologies, helps protect against spam, viruses and phishing attacks as well as impersonation, malware and other email-borne threats.

Hornetsecurity 365 Total Protection was specifically designed to protect the Microsoft 365 business environment. It provides comprehensive protection for all 365 cloud services, including Microsoft Office 365 and Microsoft Outlook 365 email. Hornetsecurity offers two packages that will meet the needs of your organization: 365 Total Protection Business - A complete security solution for Microsoft 365 customers 365 Total Protection Enterprise--adds advanced protection mechanisms and enhanced features. You'll be able to quickly onboard and use the solution intuitively. This will simplify your IT security management and ensure that your Microsoft 365 environment is protected at all times.

Check Point Anti-Spam & Email Security delivers extensive safeguards for messaging systems by employing a multifaceted strategy that secures email frameworks, offers precise anti-spam measures, and shields businesses from numerous threats including viruses and malware spread through email. With an impressive spam detection accuracy of 97%, it features advanced anti-spam capabilities that utilize both content analysis and IP reputation to enhance protection. Additionally, it provides antivirus solutions that leverage both zero-hour and signature-based detection methods, ensuring robust defense. The system also includes Email Intrusion Prevention System (IPS) features to guard against Denial of Service (DoS) and buffer overflow attacks. Configuring and managing this mail security solution is straightforward, requiring minimal administrative effort. Users retain comprehensive control without needing to install additional software, as the system is designed for ease of use. Real-time detection and updates ensure that organizations receive prompt defenses against emerging threats. Furthermore, it is seamlessly integrated into the Check Point Infinity Architecture, allowing users to activate anti-spam and email security on any Check Point security gateway effortlessly. This combination of features makes it an essential tool for organizations looking to enhance their email security posture.

Security Gateway's email threat detection technology was developed by MDaemon Technologies. This email industry pioneer has been protecting email servers against viruses, spam, phishing and other threats for more than 20 years. Our expertise is trusted by companies to keep their email communications safe. We protect all email platforms, including Microsoft Exchange, Office 365, and other. Our team of email security specialists will take the hassle out of managing your company’s email security. Security Gateway employs the most up-to-date email threat detection technology and policy enforcement tools in order to ensure good emails flow to and from your users. Security Gateway cloud service is easy to deploy, so you can focus on other important tasks. Check out this video to see some of the Security Gateway features.

Thanks to the extensive capabilities of Advanced Threat Protection, even the most advanced cyber threats are rendered ineffective; tools such as freezing, URL scanning and rewriting, the Sandbox Engine, and Malicious Document Decryption work together to counter various attack techniques, ensuring robust defense against dangers like Ransomware, Targeted Attacks, Business Email Compromise, and a host of others. This multi-layered approach significantly enhances the security of your IT infrastructure, offering peace of mind in an increasingly perilous digital landscape.

Zivver is the digital communications platform that powers the next generation of secure digital communication. It is simple, smart, and secure. Zivver is trusted by more than 5,000 organizations worldwide. It prevents data leaks from human error and ensures compliance. Zivver seamlessly integrates to all major email clients, including Outlook, Gmail, and Microsoft 365. It features unrivalled zero-keys encryption and smart features like contextual machine learning powered business rule generation. Zivver allows you to securely share large files upto 5TB via your existing email client. Zivver is fully in compliance with all major data security standards including ISO 27001 and NTA 7516, GDPR and HIPPA.

Experience secure, enterprise-level email, calendar, and collaboration tools without breaking the bank. Kerio Connect offers a comprehensive suite of features and capabilities for messaging and collaboration without the intricacies and hefty costs associated with other platforms. It seamlessly integrates email with shared calendars, scheduling, contact management, tasks, notes, shared and public folders, and instant messaging. You can synchronize your messages directly to your preferred mobile devices using Microsoft ActiveSync. The Instant Messaging feature is compatible with XMPP, allowing use with various third-party chat and IM applications on both desktop and mobile devices. Installation of Kerio Connect takes just 10 minutes, with users able to start working within an additional 10 minutes. This solution can be deployed either on-premises or through partner-hosted cloud environments, accommodating users on Mac, Windows, or Linux systems. Furthermore, it provides comprehensive support for Outlook on both Windows and Mac, as well as numerous other IMAP or POP-compliant email clients, ensuring versatility and ease of integration for all users.

Block Phishing Actively Get Visibility - DMARC Check your domain status to increase email deliveryability and secure your inbox. What is DMARC? DMARC is an email authentication protocol that allows email domain owners to protect their domain from unauthorized use. DMARC at a glance Professional DMARC Services. The abbreviation Domain-based Message Authentication reporting & conformance is the most common technical term DMARC. It is a modus operandi which makes use of Domain Keys Identified Mail and Sender Policy Framework (SPF) to verify the legitimacy of an email message. Both DKIM and SPF play an important role in DMARC's specific mission. It is designed to monitor and improve domain protection against fraudulent emails sent by fraudsters from different parts of the globe. DMARC allows you to instruct receiving servers

Kevlarr provides the most comprehensive DMARC monitoring & management solution for MSPs. Our platform is purpose-built and empowers MSPs. Our dashboard simplifies the process of setting up and maintaining a strict DMARC Policy. Our AI-driven filters eliminate all irrelevant data. Our AI filters can filter out data relating to spoof emails or spoof attacks. You only need to pay attention to the data that you, or your customer, actually control. This can save your specialists time. Our wizard guides you step-by-step through the DMARC management process. This solution is the result of our years of experience and knowledge in DMARC management. We zoom in on the domains that need your attention for each customer. We start with the most pressing issues. You can be sure you won't forget anything.

OnDMARC helps users to implement and maintain DMARC - the email authentication protocol that blocks domain-based phishing attacks. Our partnerships with Verified Mark Certificate (VMC) Providers also supports customers to deploy BIMI. OnDMARC is a Red Sift product. Red Sift is an open cloud platform that makes cybersecurity accessible to everyone to prevent cyber attacks. Not only does OnDMARC process 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 This product enables both enterprises and SMEs to block phishing attacks, increase email deliverability and secure their email. OnDMARC's intuitive, self-service solution and use of AI ensures customers are guided throughout the process, leading to both meaningful experiences and more successful outcomes.

It is now easier than ever to send and receive digitally signed encrypted emails. The Secure E-Mail Gateway (SEPPmail) with its patented GINA procedure for spontaneous encrypted, SMEs as well as large corporations can secure all e-mail communications at the highest level. It requires minimal effort and is easy to use for both sender and receiver. SEPPmail's comprehensive Secure Email solution sets new standards in secure, GDPR-compliant email communication. SEPPmail is a world-class email encryption and signature solution. It includes all the features necessary to protect confidential data via email, ensure authenticity of the sender, and ensure confidentiality and integrity of the message. The modular design of the secure email gateway solution allows it to be customized to meet customer needs and can be easily expanded.

Centrally manage email signatures for all users on all their devices. The platform is built for Microsoft 365 and Google Workspace, and it has decades 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.