Best Secure Email Gateway Software with a Free Trial of 2025

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.

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.

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.

The Barracuda Email Security Gateway effectively safeguards against various threats such as malware, spam, phishing, and Denial of Service attacks, ensuring that business operations remain uninterrupted by email-related issues. It offers robust and tailored policies that facilitate the enforcement of specific regulations governing incoming email communications. Given the essential role that email plays in modern business environments, any disruption to the email server can severely hinder organizational functions. Additionally, the Cloud Protection Layer, which comes at no extra cost with the Barracuda Email Security Gateway, allows for email spooling for up to 96 hours and provides the flexibility to redirect traffic to an alternate server if needed. Furthermore, advanced encryption technologies are implemented to protect sensitive information from unauthorized access. Outbound filtering and quarantine mechanisms are also in place to verify that all outgoing emails adhere to the company’s data loss prevention policies, reinforcing overall security and compliance. In this way, businesses can maintain their reputation and trust while effectively managing their email communications.

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.

Dynamically classify fake email. Preventively identify suspicious URLs and sandbox them. Big-data analysis can be used to accurately classify bulk mail. All this in one service that connects to Google Workspace and Microsoft 365. Spambrella's Email Security & User Awareness Training technology is used in many of the world's most successful security-conscious businesses across many continents and environments. Spambrella can help you unify your email security requirements and user awareness training needs on a global level. Spambrella is your outsourced email security team. We are able to migrate you seamlessly and have the technical expertise of all other service providers, such as Symantec.cloud, Mimecast, MxLogic. To uncover email threats to your email users, schedule a demo with our cybersecurity experts today.

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.

An extra layer of protection is implemented to prevent potential threats from reaching users within the network. This system is specifically designed to safeguard email communications, which are often the most susceptible to attacks. ESET boasts a genuine 64-bit product that supports clustering, guaranteeing that speed remains optimal for organizations of all sizes. ESET Mail Security solutions feature proprietary anti-spam, anti-phishing, and host server protection, integrating machine learning, extensive data analysis, and expert human knowledge into a single award-winning mail security platform. This functionality significantly reduces unsolicited emails and targeted threats, enabling employees to concentrate on their work while ensuring the continuity of business operations. Users frequently face phishing attempts that may include additional harmful elements, making it crucial for a streamlined approach to email security. Relying on an individual user to discern legitimate emails can be ineffective, as they would be overwhelmed with the task. To alleviate this burden, users automatically receive notifications regarding spam emails that have been quarantined, enhancing their ability to manage their inboxes effectively.

Discover a user-friendly and secure platform designed for the safe exchange, retrieval, and signing of confidential documents, accommodating files up to 2.5G per email while ensuring the protection of sensitive information both within and outside your organization. Our advanced technology empowers users to enhance the security of their email exchanges by allowing them to control access through various measures, such as limiting the number of reads, setting expiration times, or incorporating SMS codes and passwords for seamless delivery to recipients. In an increasingly vulnerable online landscape, it is essential to opt for a pioneering and secure solution that stands out in the realm of digital security. Whether you aim to send or receive emails with sizeable confidential attachments or need documents signed, our platform is equipped to facilitate the secure exchange of sensitive information like passwords, credit card details, financial documents, tax returns, incident reports, and any other confidential data you wish to share via email. Trust in our cutting-edge technology to meet the needs and security demands of your organization effectively.

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.

In today's rapidly evolving landscape of email threats, businesses that are expanding require proactive email security that not only addresses current risks but also prepares for future challenges. Utilizing the same innovative technology found in our renowned Intercept X, Sophos Email employs deep learning neural networks to effectively combat zero-day malware and undesirable applications. This solution incorporates the most sophisticated anti-ransomware measures available. By leveraging behavioral analysis, Sophos Email is capable of detecting and combating ransomware and boot-record attacks that have never been encountered before. Additionally, time-of-click URL protection evaluates the reputations of email links both before they are delivered and at the moment they are accessed, effectively thwarting elusive, delayed attacks that might evade other email security systems. With the capability to process millions of emails daily, Sophos Email benefits from the latest threat intelligence provided by the global SophosLabs network, ensuring that your email gateway remains vigilant against the multitude of new threats emerging every hour. As a result, businesses can operate with greater confidence, knowing they are protected by cutting-edge technology tailored for modern challenges.

Email encryption is crucial for safeguarding communications, as most emails are transmitted in unencrypted plain text, which exposes their content to anyone who can access the data stream. This lack of security is often unacceptable for businesses, organizations, and institutions, and could potentially breach relevant legal requirements. To enhance security and foster trust in communications, CipherMail serves as a central mail transfer agent (MTA) operating on a “store and forward” model. It temporarily stores incoming emails from both internal and external sources until they are encrypted or decrypted, enabling seamless forwarding to the recipient without requiring any modifications to the email client and working in conjunction with any SMTP server. Email encryption methods supported by CipherMail include S/MIME, PGP, or even embedding within a PDF file, and can be initiated based on specific triggers, such as keywords in the subject line. Additionally, CipherMail is equipped with a Data Leak Prevention (DLP) module to provide further protection against unauthorized data exposure. This comprehensive approach to email security not only protects sensitive information but also reinforces the integrity of electronic communications across various platforms.

RevBits Email Security, a next-generation email security product, aims to address major gaps in the market. Revbits Email Security uses unique algorithms, such as a page impersonation detection method, to achieve the highest level of email analysis. RevBits Email Security provides a composite probabilistic score for each email. It also includes full details for continued user education. RevBits Email Security Enhances Email Security Architecture RevBits Email Security improves email security by blocking and detecting sophisticated malicious emails that penetrate the organization's email security layer. RevBits Email Security protects the employee endpoint, the last point of email interaction.

Offers robust defense against the complex email threats prevalent today, along with comprehensive policy management and thorough data security and compliance features. Safeguarding your email systems from issues like spam, malware, phishing attempts, business email compromise, account takeovers, and ransomware should be a primary concern. Trustwave's Secure Email Gateway (SEG) employs a multi-layered intelligence and detection system that conducts an in-depth analysis of incoming email traffic in real-time, ensuring that your users are shielded from cyber risks. It also allows for seamless integration of email content workflows into your business operations while closely monitoring outgoing emails to avert the potential loss of sensitive information, trade secrets, confidential files, and financial data. By utilizing these security modules alongside the Secure Email Gateway, you bolster your organization’s defenses and compliance measures significantly. Overall, this comprehensive approach not only enhances your email security but also streamlines your organizational processes, ensuring both protection and efficiency.

Nearly one-third of companies that encounter a data breach face a decline in revenue, with email being the most frequently targeted attack vector. Protect your email infrastructure with ClrStream, a comprehensive security and continuity solution designed for platforms such as MS Exchange, Office 365, MDaemon, Postfix, Postmaster, Zimbra, and more. Alarmingly, 88% of organizations suffer from data loss, and email is often the primary source of this issue. ClrStream functions as an email scrubbing service that guarantees protection against Malware, Ransomware, Viruses, and Spam, ensuring low latencies for mail delivery and minimizing false positive rates. This solution acts as a peripheral, out-of-environment safeguard against DDoS attacks. Furthermore, it provides email continuity when the primary mail server is inaccessible or offline, featuring built-in redundancies and scalability that negate the necessity for a mail parking service. As a cloud-based SaaS offering, ClrStream alleviates bandwidth congestion while simplifying management tasks for businesses. By adopting this robust solution, companies can enhance their email security posture and maintain operational resilience.

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.

ePrism provides email security that is unrivaled against external and internal threats like spam, viruses, spyware and phishing schemes. It also protects against identity theft and other offensive or dangerous content. Our services include industry-leading inbound/outbound spam filtering, category-based policy, and automated seamless directory integration in a hosted SaaS platform that can be provisioned immediately without the need to install any hardware or software. EdgeWave technical specialists provide proactive monitoring and management to prevent threats from reaching your internal servers. The key features include advanced threat protection and intelligent threat management, data loss prevention, compliance, disaster recovery, disaster recovery, granular policies controls, account management, and complete visibility and reporting. Optional add-ons ThreatTest anti-phishing and incident response Email Continuity Email encryption Email Archiving DLP