Secure Email Gateway Software

Agari Phishing Defense is an email security solution designed to eliminate 99.9% of all advanced email attacks that bypass existing defenses. Agari was acquired by HelpSystems in May 2021, and is now a HelpSystems brand.

Websense's Triton AP-Email is a messaging security platform and module extension of the Triton platform.

Kaspersky Labs headquartered in Moscow offers email server and antimalware for email via the company's Kaspersky Security for Mail Server software product.

SpamTitan blocks unsolicited emails, phishing attempts, spoofing and illicit content. According to the vendor, SpamTitan blocks over 99.9% of spam, viruses, malware, and other email threats.

Kiteworks empowers organizations to manage risk in every send, share, receive, and save of sensitive content over numerous communications channels: email, file sharing, managed file transfer, APIs, and web forms. The Kiteworks platform unifies, tracks, controls, and secures sensitive…

Proofpoint's Enterprise Privacy platform includes supports messaging security with data loss prevention and email encryption.

CMIT Solutions headquartered in Austin offers CMIT Email Security, to block or prevent transmission of inbound or outbound unsafe and undesirable emails.

EdgeWave headquartered in San Diego, California offers ePrism Email Security, a messaging security platform featuring continuous web mail access, data loss prevention, encryption, archiving, and anti-spam / anti-malware capability.

Massachusetts based Lux Scientiae (LuxSci) offers their platform as a HIPAA compliant hosted email messaging service.

Forcepoint Trusted Mail System, a Commercial-Off-The-Shelf (COTS) solution, provides a “single inbox” at the highest security level that consolidates email residing on multiple networks, making it less likely that important and mission-sensitive communications will be overlooked.

MX Layer is an enterprise security company based in the United States, focusing on providing cloud-based solutions for email security, business continuity, data loss prevention and email archiving services. MX Layer aims to ensure that their comprehensive email security platform…

Intermedia Email Plus Exchange Email is a combined email productivity and security suite, providing anti-phishing, email archiving, email backup and archiving, as well as access to AnyMeeting web conferencing included via a subscription.

Symantec Mail Security for Microsoft Exchange (SMSMSE) combines Symantec anti-malware technology with advanced heuristics and file reputation to provide real-time protection for email against viruses, spyware, phishing, and other malicious attacks. For additional protection, SMSMSE…

By working in tandem with an existing secure email gateway or by replacing it completely, Trend Micro™ Deep Discovery™ Email Inspector uses advanced detection techniques to identify and block purpose-built spear phishing emails that are often used to deliver advanced malware and…

Comodo Cybersecurity headquartered in Clifton offers Comodo Dome Antispam, a secure email gateway providing antispam, anti-phishing, intelligent filtering, and auto-containment to protect against malicious attachments.

Trustwave MailMarshal’s layered security helps to reduce false positives and protects against spam, gateway attacks, viruses, phishing attempts, and malicious URLs. It is available on-premise, delivered as a cloud-based service, or as a hybrid implementation.

The Aurea Messaging Solutions (AMS) suite includes three email infrastructure solutions that according to the vendor, support millions of users across more than 1000 companies – for business email continuity, security and archival. The entire AMS suite is delivered in the cloud, enabling…

Vade Secure is an email security, antimalware (via email), and antiphishing solution available to protect mail servers or cloud sharing services (e.g. Office 365).

Avast Email Security is a service available and delivered through the company's CloudCare security management console. Three features of Avast Email Security service allow employees and customers to manage their email more safely: Anti-spam to keep email boxes free of unwanted email,…

UK headquartered multi-national company Clearswift is the developer of the SECURE Email Gateway (SEG) as a messaging security platform. Clearswift was acquired by HelpSystems in late 2019, and is now a HelpSystems brand.

McAfee Email Gateway was a secure email gateway featuring encryption and anti-spam / phishing protection that was EOL in late 2015.

Alibaba Mail integrates features such as email management, online calendars, and contact management, as well as works seamlessly with existing office software applications to achieve better scalability and integration. This service offers enterprise users a brand new collaboration…

MailGate SC, formerly from Axway and now from an independent Mailgate, is a email security solution that protects organizations from a wide range of advanced threats. The MailGate platform provides end-to-end email security with patented technology with advanced threat protection,…

Abnormal Security, headquartered in San Francisco, offers a secure email gateway to that protects Microsoft 365 and Google Workspace accounts with AI threat detection. The solution is designed to prevent phishing and scams, high-level account impersonation, or supply chain attacks…