Top 63 Email Security Software SaaS Companies in May 2026

Middletown, Delaware, United States

PowerDMARC empowers organizations to combat Business Email Compromise (BEC), email spoofing, and phishing with ease. Our AI-driven threat intelligence and advanced email authentication solutions ensure that only legitimate emails are sent from your domain—safeguarding your brand’s reputation. As a single SaaS platform, PowerDMARC seamlessly integrates DMARC, SPF, DKIM, BIMI, Hosted MTA-STS, and TLS-RPT, making email security simple and effective. How PowerDMARC Helps: ✅ Prevents spoofing and impersonation attacks ✅ Strengthens email authentication to protect your brand’s reputation ✅ Enhances email deliverability and trust ✅ Shields your domain from fraud and phishing attempts 🔹 For MSPs & MSSPs: Benefit from multi-tenancy, full white-labeling, and scalable email security management for your clients.

Paris, Ile-de-france, France

Rise Up is owned by Riseup Networks, a US-based tech collective that provides secure communication and networking tools to activists, organizers, and community groups worldwide. Riseup offers a suite of free and open-source communication tools, including email, chat, VPN, and mailing list services, designed to protect the privacy and security of its users. The company is committed to resisting censorship and surveillance, and operates on a collective model that prioritizes democratic decision-making and community ownership. Riseup Networks is headquartered in Seattle, Washington, and is run by a team of volunteers and staff who are passionate about social justice and activism.

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/

Sandyford, Dublin, Ireland

Topsec is a leading provider of cloud based managed email security solutions. Providing services to a large and diverse international client base for over a decade. At Topsec Cloud Solutions, we’ve been pioneering cloud-based email and web security for more than two decades. Our clientele spans across various sectors, including Government, Healthcare, Engineering, IT and more, each valuing our commitment to excellence and innovation. Our services include anti spam, anti virus, emergency email, email content filtering, image analysis, email archiving, inbox protection, breachdetect, file sharing and domain management. We help clients secure and manage their businesses information with no upfront investment. Through our services and experience, we save our clients thousands and Topsec is their trusted choice for delivering cloud based security solutions. Topsec is a division of Top Security Group. Top Security is an International company with over 34 years experience in physical security and entered the digital assets security industry with the launch of Topsec in 2002. We are proud to be the sole provider of a fully managed concierge service tailored to your email security needs. Our unmatched customer support is the cornerstone of our operations. We believe in putting you first, always. Our growth stems from leveraging cloud scalability to deliver superior security services, ensuring affordability and quality across diverse industries.

Oslo, Norway

Provider of maritime digital platform designed to ensure that internet, email and cloud services work reliably and securely onboard. The company's maritime digital platform offers to streamline operations, optimize bandwidth, initiate remote access, accelerate Web processes and provides security, enabling marine operators to have optimized IT services and tools needed for efficient management of vessels.

Austin, Texas, United States

Developer of a file disarmer and reconstruction platform designed to remove threats from documents and avoid potential infections. The company's platform automatically scans and sanitizes each and every file sent or shared and reconstructs a fully functional, threat-free file in less than a second, enabling organizations to safely open, download and transfer files and attachments while keeping performance and functionality intact.

Charlottesville, Virginia, United States

SafeGuard Cyber provides security and compliance for email and multi-channel communications. Stop social engineering attacks, insider threats, ransomware, and policy violations across email and workplace channels like M365, Slack, Salesforce, LinkedIn, Zoom, WhatsApp, Telegram, and more. For more information, please visit www.safeguardcyber.com

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

Greenville, South Carolina, United States

Hook Security is a psychological and behavioral science startup designed to help companies establish policies for email and provide on-demand fake social engineering cyber attacks on employees with micro-learning and training. Despite being a young company, Hook Security comes with experience, with founder, Adam Anderson's immense background in cybersecurity and technology. Adam's 15 years of entrepreneurial startup experience and his knowledge of Enterprise Cyber Defense gives him a window into what's wrong with communication between large and small companies. Hook Security started with the goal of helping vulnerable companies from being hooked by cyber predators. Our mission is to safeguard companies from social engineering threats in order to build an active line of defense with on-demand employee awareness training. #DontGetHooked

San Francisco, California, United States

Developer of a cyber security software platform designed to offer comprehensive cyber security protection to small and medium-size businesses. The company's software provides phishing simulation, public WiFi protection, inbox protection, password management and cyber liability insurance, enabling clients to secure their business activities against cyber threats.