Best Web-Based Secure Email Gateway Software 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.

Advanced protection for your inbox. Email is still the number one threat vector. Email is still the No. Expand your defenses so you can detect dangerous threats, and respond quickly to and remediate any new threats in real-time. Identify the malicious tactics used in attacks against your organization. Understanding the specific risks to your business and categorizing threats will help you gain insight into which parts of your organisation are most vulnerable. AI-driven threat recognition uses multiple detection engines that simultaneously evaluate different parts of an incoming message. These verdict details ensure accurate threat classification and identify business risks, as well as promote an appropriate response. There are many threats: phishing emails, malware, ransomware, and business email compromise. With industry-leading threat information, you can quickly act to protect yourself against them.

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.

Fortinet, a global leader of cybersecurity solutions, is known for its integrated and comprehensive approach to safeguarding digital devices, networks, and applications. Fortinet was founded in 2000 and offers a variety of products and solutions, including firewalls and endpoint protection systems, intrusion prevention and secure access. Fortinet Security Fabric is at the core of the company's offerings. It is a unified platform which seamlessly integrates security tools in order to deliver visibility, automate, and real-time intelligence about threats across the network. Fortinet is trusted by businesses, governments and service providers around the world. It emphasizes innovation, performance and scalability to ensure robust defense against evolving cyber-threats while supporting digital transformation.

Protect Microsoft Office 365, Google G Suite and on-premises email using the industry's best email security solution. Email Threat Isolation protects users from ransomware, credential theft, and spear phishing. Stop insidious email threats like ransomware, spear phishing, email spam, business email compromise, and email theft. Multiple layers of protection are available to stop spear phishing emails. These include threat isolation, spam filtering and advanced security email analytics. Built-in user awareness and education tools can also be used. Protect your computer from the latest ransomware by using content defense, sandboxing and link protection technologies to detect new, stealthy and zero-day attacks. Protect your business email from compromise by using impersonation protection, sender authentication enforcement, and brand protection controls. Symantec Email Fraud Protection protects your brand reputation and solves the practical issues of sending authentication (DMARC/DKIM/SPF).

Business-class email and calendaring make it easier to work smarter. Exchange allows you to collaborate on critical documents and gives an organized inbox that prioritizes important messages. It adapts to your work style and adapts to your needs so you can get more done faster. Access to a personalized inbox with helpful features, a smarter way to view and interact via email and a smarter way to organize it. Search enhancements provide faster and more complete results. Add-ins allow for powerful customization and extensibility that connects you to modern services as well as internal line-of business applications. A calendaring system that does more than just schedule appointments and make commitments will help you organize your time. Automatically capture events such as hotel reservations and flights from email. Get suggestions based on where you are located about where to meet. Microsoft 365 offers many benefits that can help you and your company be more productive.

Secure email hosting for your company. Your business email can be hosted on a secure, encrypted and privacy-guaranteed email service. The data centers at Zoho Mail offer top-notch security and surveillance with a 99.9% uptime. Secure email hosting is available that supports encryption at rest and end, as well as S/MIME message encryption. Set up custom email addresses and a domain for your company. Your company will be seen and heard with professional email addresses. The powerful Control Panel of Zoho Mail is the administrator's first choice for configuration, customization, and setting up all settings. You can add users, manage group names, set up policies to moderate email content, and much more. To comply with company standards, and to protect yourself from legal attacks, you can keep emails in your organization for a certain period. e-Discovery helps discover such retained emails quickly.

Mimecast Advanced E-mail Security is a robust email security solution that protects organizations from a variety of email-based threats including phishing attacks, malware, impersonation, and spam. Mimecast uses cutting-edge AI and Machine Learning to provide real-time threat prevention and detection in order to safeguard sensitive data and ensure business continuity. It provides advanced filtering and scans of incoming and emailed outgoing emails to reduce the risk of data breaches and help organizations comply with regulatory requirements. Mimecast's comprehensive reporting and management features enable IT teams to monitor and respond to threats efficiently, making it the preferred choice for businesses looking to enhance email security.

Proofpoint Email protection solutions, whether deployed as a cloud-based service or on-premises, protect against malware and threats without malware, such as impostor emails or business email compromises (BEC). Granular email filters control spam, bulk graymail and other unwanted emails. Continuity capabilities ensure that email communications continue even if your email server fails. Proofpoint Email Protection, the industry's leading email gateway, can be deployed on premises or as a cloud-based service. It detects both known and unknown threats, which others may miss. Email Protection, powered by NexusAI's advanced machine learning technology and powered by NexusAI, accurately classifies different types of emails. It also detects and blocks threats without malicious payloads, such as impostor emails (also known as Business Email Compromise (BEC), using our Advanced BEC Defense. You can also tag suspicious emails automatically to raise user awareness. You can also track down any email within seconds.

The Barracuda email security gateway protects against spam, phishing and inbound malware. This ensures that your business productivity is not affected by attacks via the email system. Further enforcement of the requirements for inbound email messages can be done with powerful and customizable policies.

Your teams can be more productive, secure, compliant, and compliant in a digital world. Modern workplaces allow for better collaboration, remote work, data sharing, and flexibility. Secure file sharing, email encryption, and business communications archive (emails, social media, instant messages) are all best-in-class. All services are supported by our amazing care team 24/7/365 to help you better manage people, technology and process. Your employees, executives, and yourself will have unparalleled peace of mind with automatic email encryption and data loss prevention. Protect your email and business from malware, ransomware, and other advanced threats. Secure message retention makes compliance and eDiscovery simpler for you and your colleagues.

OMNITRACKER can be used to adapt processes to meet your specific needs. OMNITRACKER's unique module and application design, as well as many out-of-the box solutions, make it easy to launch. You can easily and flexibly adapt the functionality to meet your needs or create your own workflows. The multi-client OMNITRACKER allows for unlimited scaling. Easy maintenance and updating, as well as a attractive licensing model, guarantee a quick return on investment. Our highly efficient, scalable, and effective solution for IT Service Management (ITSM) is highly efficient. It is based upon the current ITIL standard and integrates with other supporting processes. It supports you at all stages of the project and greatly facilitates planning and control. It can be combined with other applications. You can track all sales projects with our application for the complete process, from lead generation to successful completion.

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.

LuxSci's mission is to keep personal data safe while reliably protecting the world’s communications. LuxSci specializes in providing HIPAA-compliant web and email communications services. LuxSci creates uniquely secure and customizable enterprise-grade environments and solutions that enable organizations to confidently meet their specific business and security needs at scale. Our services include Secure Email, Web, and Forms.

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.

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.

Secure Email Gateway is an enterprise antispam and threat prevention system. It uses a sophisticated array anti-virus scanners, spam filters, and content analysis engines to stop unsolicited mail from ever entering your network. Employee security needs are different. Different security levels may be required for different employees, such as those in finance or sales. Dome Anti-spam allows you to create different types of profiles and set different restrictions. Containment protects against the latest forms of ransomware and zero-malware as well as other advanced threats. The Valkyrie file verdict system analyses unknown files. The attachments are openable, executable and can be used by users with zero risk of infection. Comodo's unique containment technology means that any risk is fully contained before reaching its end point. This ensures that there is no risk of infection from new malware.

Email encryption with CipherMail The majority of emails are sent in plain text. This means that anyone with access to the data stream could read the contents of the emails. This is unacceptable for most businesses, institutions, and organizations and could also be a violation of applicable law. E-mail encryption is a way to ensure security and trust in communications. CipherMail, a central mail transfer agent, works on the "store-forward" principle. No matter if they come from internal or external sources e-mails are not saved until they are encrypted / decrypted so that they can be forwarded to their intended recipient. This can be done without having to change the email client. It is also possible with any SMTP server. E-mail encryption can either be done in S/MIME, PGP, or in a PDF file. This can also be triggered by a trigger in your subject line. CipherMail also contains a Data Leak Prevention module (DLP).

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.

Additional security layer to prevent threats from reaching users on the network. This product is designed to protect email communication, which is the most vulnerable vector. ESET is a 64-bit product that allows clustering to ensure speed is not a concern for organizations of all sizes. ESET Mail Security solutions combine machine learning, big data, and human expertise to create an award-winning mail security platform. It helps eliminate unwanted emails and targeted attacks, so employees can focus on their jobs and ensure business continuity. Phishing campaigns are constantly targeting users, which may include other malicious components. Due to the fact that users must sort through emails to determine if they are legitimate, a single user will not be able to perform their tasks efficiently. Users receive emails about spam email that has been quarantined.

25% of the top 100 German companies with the highest turnover choose Zertificon's solutions. We make Enterprise Email Encryption effortless for secure communications with anyone, anywhere, with our Z1 SecureMail Gateway solution. Your entire organization encrypts and decrypts, just as well manages and verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires very little maintenance. Furthermore, the browser-based admin interface does not call for any special skills. Keys are managed automatically, and security policies are centrally enforced. Integration into your cloud or on-premises email infrastructure is quick and straightforward. Your business and workflows are uninterrupted – no employee training is required, and recipients get a frictionless experience. Encryption is centrally customizable and proofed against human error with Z1 SecureMail Gateway. You can quickly establish and maintain compliance and the highest levels of security. You also own your encryption keys and get German-engineered data sovereignty with no backdoors.

Secure platform for confidential documents exchange, retrieval and signing (up to 2.5G files per email), without compromising any sensitive information within or outside your organization. Our technology allows users to add layers to their email exchanges by limiting their read time, their lifespan, or adding SMS codes or passwords that can be sent to their recipients. The online world today is highly vulnerable. Choose a secure and innovative tool that is unique in computer security. You can send and receive large, confidential attachments to emails. Emails can be used to exchange passwords, financial statements, tax returns and incident reports, as well as credit cards and financial statements. Our technology can help your company.

29% of businesses that suffer a data breach lose revenue. Email is the most common target of attack. ClrStream will protect your email systems. ClrStream is a security and continuity solution that can be used with MS Exchange, Office 365. 88% of businesses suffer data loss, with email being the main culprit. Email scrubbing solution that guarantees protection against Malware, Ransomware and Virus. It has low latency for mail delivery and a low number of false positives. A peripheral, outside-of-environment solution that can be used to protect against DDOS attacks. This solution can provide email continuity when the primary mail server goes down or is unavailable. A solution that offers built-in redundancies, scale, and eliminates the need to use a mail parking service. A cloud-based SaaS service that reduces bandwidth usage and eliminates management headaches.