As of May 2026, there are 16 SaaS companies in Secure Email Gateway Software. They have combined revenues of $128.3M and employ 821 people. They have raised $107.9M and serve 5.7K customers combined.
Secure Email Gateway Software provides organizations with a robust solution to protect their email communications from threats such as phishing, malware, and spam. This software serves as a barrier between their email systems and the external internet, ensuring that only legitimate and safe emails reach the inboxes of users. Key features typically include threat detection, spam filtering, malware filtering, and content policy enforcement, all aimed at mitigating the risk of email-based attacks. The primary use case for Secure Email Gateway Software is to enhance email security for enterprises that heavily rely on email for communication and transactions. It is crucial for roles in IT security, compliance, and risk management to safeguard sensitive information and maintain regulatory compliance. By deploying this software, organizations can facilitate secure collaboration while protecting against data breaches and business email compromise.
Sorting: Highest -> Lowest
Showing 10 of 16 companies ranked by annual revenue.
Hem, France
Developer of a predictive email defense platform intended to improve email security. The company's platform leverages artificial intelligence, fed by data from 600 million mailboxes, to detect threats such as spam, malware and phishing links and block them in real-time, enabling enterprises to filter threat emails and increase their security.
München, Bayern, Germany
Digital transformation is changing processes and supply chains, products and companies, entire industries and markets. Retarus supports businesses, enabling adaptation to these changes. With cloud services for digital business communication that enable the efficient and secure exchange of information. For people, applications, and machines. This is how more efficient business processes are developed. Processes that work better, are more flexible, agile, and transparent. Technological advances are changing day-to-day business. Everywhere. And faster than ever. Companies must act, adapt their processes, use innovation to enhance their capabilities. Communication plays a vital role. It has to be secure. Fast. Reliable. And above all, digital. And automated. That’s exactly what has been driving Retarus since 1992. Founded on the idea of linking the LAN email system cc:Mail to the public CompuServe email network using the Retarus-developed software platform CIS:Link, Retarus is now one of the leading international providers of secure and high-performance communication for business-critical processes. Tailored to the needs of the upper middle market and international corporations. Providing cloud platforms that secure all relevant channels of business information exchange from a single source. From email and fax, to SMS and EDI. For all standards. For all industries. And ready today for what tomorrow’s business will demand. We are proud that the world’s most successful companies appreciate our contribution to their value creation relying on our services for their business communication. Our vision is to be the global leader for enterprise-level cloud solutions, enabling business communication in a reliable, efficient, and compliant manner.
The Hague, Netherlands
StartMail is a secure email service that protects your privacy. It was built by the people behind Startpage, the world’s first private search engine.
San Francisco, California, United States
Paubox is the easiest way to send and receive HIPAA compliant email. No software to download, no portals to login to, just write and send emails as normal from any device
Kirkland, Quebec, Canada
Since 1994, Vircom has stood as a global leader in offering cutting-edge email security solutions designed to enhance the security and efficiency of MSPs and SMBs, leveraging decades of expertise to innovate and proactively address emerging cyberthreats. Vircom alerts customers and partners about potential attacks and account takeovers through the ongoing analysis of millions of cloud-based operations. Our Products: • Proofpoint Essentials by Proofpoint • Security Awareness by Proofpoint • OnDMARC by Red Sift • modusGate by Vircom • modusCloud by Vircom Vircom has become a trusted partner with Proofpoint due to its proven expertise in email security. Both companies share a commitment to robust, scalable solutions that prioritize user safety and data integrity. The strategic partnership with Red Sift enables Vircom to offer the best-in-class OnDMARC email authentication solution to customers and partners. For MSPs, these value-driven associations guarantee unparalleled email and domain security for your clients, plus quick and efficient onboarding, outstanding support, and added value tools like centralized monitoring, simplified provisioning, and seamless billing through integrations with popular PSA tools like ConnectWise and Autotask. We are results-oriented, expect a lot from our team members, but also give a lot in return. Our Core Values: • Get It Done (Make commitments and deliver, No excuses, no BS) • Find A Better Way (Always solving and improving on status quo) • Delight Your Customer (Listen first, understand, then act with empathy) • Always Keep Learning (Be enthusiastic and driven by life-long learning) For more information, visit www.vircom.com For a demo, contact us at https://www.vircom.com/contact/
Las Vegas, Nevada, United States
Trustifi is a software-as-a-service (SaaS) company offering a patented postmarked email system that encrypts, tracks, and is the first federally-accepted method of sending legal documents online
Gothenburg, Vastra Gotaland, Sweden
Provider of email security and infrastructure software designed to change the landscape of email security. The company's software offers great scalability, multiple rate limiting and total control on spams, enabling service providers to tailor their protected email infrastructure.
Bratislava, Bratislavsky, Slovakia
Verify Email Addresses * Email Deliverability * Email Marketing Since 2003, Email List Verify has provided businesses and marketers with the highest quality email list verification and cleaning services. We’ve developed an automated, self-service web application software which enables our clients to validate their email lists quickly and securely. Our service reducing bounce rates and improves email marketing campaign ROI’s for businesses and marketers by: » Cleaning email lists by detecting invalid or non-operational mailboxes. » Ensuring that no email on the list receives an unsolicited message during the validation process. » Handling data securely with the highest level of data encryption in the industry. What really makes us uniquely exceptional is the level of professionalism and sensitivity with which we handle clients’ lists. Security is something that we take very seriously and that is why big companies and corporations continually trust us with their data. We have always, and will continue giving you value for money spent. ➨➨Visit EmailListVerify.com to ensure that your email list is of the highest quality ... upload and validate lists of email addresses quickly and securely to our web interface.
New York, New York, United States
Developer of an email recall application designed to help companies integrate secure messaging features into their existing app or website. The company's email recall application is a simple plugin for Gmail and Outlook that lets users send secure emails easily to anyone, enabling users to recall and remove emails they did not intend to send.
- The product must provide threat detection capabilities specifically for malware and phishing attacks. - It should include spam filtering to prevent unwanted emails from reaching users. - The software must support content filtering to enforce company policies on acceptable email use. - The product must operate inline, inspecting emails as they are transmitted to and from corporate servers. - It should cater to organizations of various sizes that require enhanced email security measures. - Not just a basic email service; must also include advanced security features like encryption and data loss prevention.
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