Best Free Secure Email Gateway Software of 2025

Opt for secure email hosting tailored for your business needs. Utilize a secure, encrypted, ad-free email service to host your company’s email communications. With Zoho Mail, you gain access to state-of-the-art data centers featuring exceptional security measures and constant monitoring, ensuring an impressive uptime rate of 99.9%. Experience the advantages of secure email hosting that provides encryption both at rest and during transmission, along with S/MIME message encryption for added protection. Establish a unique domain for your business and create personalized email addresses for each user, enhancing your brand's visibility and credibility. Zoho Mail offers a robust Control Panel that serves as the central hub for administrators to manage all settings, configurations, and customizations effortlessly. Administrators can conveniently add users, handle group aliases, and implement policies to regulate business email content. Additionally, retain emails within your organization for a predetermined duration to meet compliance requirements and safeguard against legal challenges. The e-Discovery feature allows for swift retrieval of these retained emails, ensuring that your business can respond efficiently to inquiries or audits. By choosing Zoho Mail, you position your business for success with a reliable and secure email hosting solution.

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.

Make the smartest investment today to reduce email security threats. Get a comprehensive email security solution for small businesses at small business pricing. Cybercriminals are targeting CEOs and CFOs in every industry, as well as HR, Accounting, and HR departments. Office 365 has very limited protection options to prevent impersonations, email fraud, and phishing. You can only create so many custom transport rules to block domains and protect against employee impersonations. PhishProtection is compatible with every email server, device, and smtp service. We can protect you no matter where you are, whether you're on your phone, outlook, or any other email client. It provides the best security for both Android and iOS devices.

The ability to edit and erase messages, as well as automatically delete them, clear chat windows, and completely wipe history is essential. Users can remotely disconnect devices, utilize a false secret phrase, and enable auto-lock and auto-logout features when inactive. There are options to hide contacts and create blacklists, along with tailored visibility settings for each contact and the ability to configure contact permissions. Tasks can be assigned to oneself and coworkers, with progress tracking to ensure accountability. Additionally, users can securely store and manage passwords, sharing them with contacts when necessary. Collaboration is enhanced by establishing team goals and overseeing the resolution of various issues, fostering a productive work environment. This comprehensive set of features significantly improves communication and organization within any team.

RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.

The Secure Email Gateway serves as a robust solution for enterprises, employing a complex set of spam filters, antivirus tools, and content analyzers to block unwanted emails from infiltrating your organization's network. Given that security requirements can vary among different team members, it is possible to implement various security protocols tailored to specific roles, such as those in finance or sales. Dome Anti-spam offers the flexibility to create diverse profiles, each equipped with distinct security functions and limitations. Additionally, containment features safeguard against emerging threats like ransomware and zero-day attacks. The Valkyrie file verdict system assesses unfamiliar files, allowing users to access and utilize attachments with complete assurance against infections. Comodo's innovative containment technology guarantees that all potential risks are isolated before they can affect endpoints, thus eliminating any chance of malware infection, regardless of its origin. This comprehensive approach not only enhances security but also instills confidence in employees to perform their tasks without fear of digital threats.

The sole file security solution that guarantees the complete safety of files entering your enterprise is here. In contrast to traditional detection-based systems that merely identify and block potentially harmful elements, Positive Selection focuses exclusively on identifying the safe components within each file, thus assuring that every file that reaches your organization is entirely secure. This applies to any file, at any time, from any source. With profound expertise in various file types, Votiro’s Secure File Gateway effectively neutralizes threats across an extensive array of files, regardless of how they are introduced into your organization. By implementing this cutting-edge solution, businesses can operate with confidence, knowing their data remains protected.

Our entirely cloud-based framework offers immediate protection against hidden threats while safeguarding your endpoints from recognized threat signatures. Comodo has pioneered a novel strategy for endpoint security, specifically designed to address the shortcomings of outdated security solutions. The Dragon platform establishes the essential principles for comprehensive next-generation endpoint protection. You can effortlessly enhance your cybersecurity and operational efficiency with the Dragon Platform’s streamlined agent, which utilizes artificial intelligence (AI) and Auto Containment to neutralize all threats effectively. Comodo provides every aspect of cybersecurity necessary to implement breach protection, ensuring immediate value from the outset. With a 100% reliable verdict achieved within 45 seconds for 92% of signatures through analysis, and a four-hour service level agreement for the remaining 8% addressed by human specialists, the platform stands out in the industry. Regular automatic signature updates further facilitate deployment throughout your entire system, significantly reducing operational expenses while ensuring robust security measures are in place. This solution not only enhances protection but also streamlines the process to keep your organization secure effortlessly.