Top 16 Secure Email Gateway Software SaaS Companies in May 2026

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.