Clearswift Secure Email Gateway Alternatives (September 2025)

Cloud Email Protection, the integrated cloud email security solution from Fortra, stops advanced threats that bypass security defenses and make it into inboxes.

Fortinet's Email Security Solutions provides protection for your critical business information. Learn how to send Secure Email Gateways (SEG) with FortiMail.

Symantec Messaging Gateway protects email against spam, malware, targeted attacks and provides advanced content filtering, data loss prevention, and email encryption.

Intelligent Email Security protects against data breaches by engaging and empowering users without introducing friction.

SMX offers a cloud-based email security solution for SEG, archiving and added Microsoft 365 defence. Trusted by enterprises, governments and ISPs across ANZ.

Award-winning cloud-based email security platform prevents phishing, malware, spoofing, and BEC, from reaching a user’s mailbox. See the Trustifi Difference.

The Barracuda Email Security Gateway is an email security gateway that manages and filters all inbound and outbound email traffic to protect organizations from email-borne threats and data leaks. As a complete email management solution, the Barracuda Email Security Gateway lets organizations encrypt messages and leverage the cloud to spool email if mail servers become unavailable.The Barracuda Email Security Gateway is also available as a virtual appliance or in a public cloud environment (Amazon Web Services, or Microsoft Azure). For…

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

VIPRE provides email security solutions for every size organization and the IT partners that serve them.

Protect your enterprise with best in breed email security from Sendio. Eliminate ransomware, phishing attacks, spam and malware using behavioral technology.

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

Safeguard your network’s most vulnerable system with anti-virus and anti-spam technologies that block malicious software and spam at the gateway.

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Barracuda Essentials for email security provides IT service providers with complete email security, archiving, e-discovery and backup solution.

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

The most comprehensive protection against traditional and targeted attacks. Blocks spam, phishing, and advanced persistent threats (APTs). Flexible hybrid SaaS deployment option.

Spambrella is your company for managed email security services and User Awareness Training solutions and products. Try our security services for email today!

INKY helps companies secure email using a cloud-based security platform that proactively and instantly scans inbound, internal, and outbound emails to eliminate phishing and malware. The platform intelligently eliminates security threats by blocking malicious emails while assisting employees in real time to handle suspicious emails.

As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a...

Email security is critical for all organizations. Block all email attacks using Mimecast's advanced email security product with targeted threat protection.

N-able SpamExperts offers professional anti-spam email filtering and archiving for Web hosting providers, Internet Service Providers and Telcos.

Skyhigh Secure Web Gateway (SWG) the complete solution protecting both users & data. Integrated RBI, CASB, industry leading DLP 99.999% uptime.

Mesh is the world's first email security platform built exclusively for MSPs, enhancing their efficiency and ensuring greater safety for their customers. Offering flexible deployment options - Mesh Gateway (MX based), Mesh 365 (API based), and Mesh Unified (MX and API based) - Mesh protects organiza

Industry-leading cloud-native Security Service Edge (SSE) solution enables your workforce and protects your data across web, cloud, email, & private apps.

N-able Mail Assure offers MSPs AI-driven email security with close to 100% filtering accuracy. Mail Assure also provides continuous uptime and email archiving.

PhishLabs provides Digital Risk Protection through curated threat intelligence and complete mitigation for web, social, and email threats.

High performance on-premises appliances that protect organizations across the web, social media, applications and mobile networks.

Cloudmark is a trusted leader in intelligent threat protection against known and future attacks, safeguarding 12 percent of the world’s inboxes from wide-scale and targeted email threats.

Forcepoint Data Loss Prevention (DLP) is an enterprise solution that prevents data exfiltration across all channels, including cloud, email and endpoint. Learn more here.

Phishing protection including spam filtering, outbound SMTP with DKIM, backup MX services, and Advanced Threat Protection. With 24x7 support included.

Security in the industry for mobile operators, internet service providers, and hosting providers Cloudmark Authority utilizes a unique combination of proprietary…

Email security and spam filtering with SpamTitan from TitanHQ uses double AV and AI driven malicious URL detection to block malicious threats

Detect and block both malicious and malware-less email threats with Proofpoint Email Protection.

We’re powering the next generation of secure email communications for your organization, preventing data leaks & empowering people to work securely.

Protect your business e-mail from cyberattacks: phishing, ransomware, spam, viruses. Installation in just a few clicks. French solution 🇫🇷

Learn how Fortinet next-generation firewall (NGFW) products can provide high-performance & consolidated security. Get end-to-end network protection.

An essential suite of email and web security services for SMB and Enterprise.

Protect your organization from today’s advanced email threats, business email compromise (BEC), and consumer phishing with Proofpoint's Email Fraud Defense.

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

Secure your business with total messaging control. Cybonet stops the majority of malicious email threats at your network's perimeter while simultaneously providing a range of additional options for comprehensive security and messaging control.

IRONSCALES’ cloud email security software is an AI-powered email platform for enterprise organizations. Our self-learning service protects against advanced email attacks that bypass traditional defenses.

Material is a multi-layered detection and response toolkit for email. It stops sophisticated email-based attacks and contains the blast radius of compromised accounts.

Today’s most successful businesses are digitizing virtually every aspect of their operation. That sensitive data needs to be protected by organizations. Fortra's Digital Guardian gives you immediate visibility into your organization’s assets, delivering enterprise-wide data protection to safeguard your sensitive data and IP, wherever it lives.

Proofpoint Enterprise Archive™ is a cloud-based archiving solution that simplifies three key information management challenges—legal discovery, regulatory compliance and end user information access...

Enhance VIPRE Email Security Cloud with unparalleled protection against malicious links and infected attachments.

Prevent malware, ransomware and other threats from compromising your email and your business with Secure Cloud.

Stop advanced email threats and optimize security operations with AI-powered email security that adapts to your organization. Available for on-premise and Microsoft 365.

Secure email encryption helps protect individuals, SMBs, and Enterprise organizations. Learn more about compliance & secure email encryption.

Cisco Secure Email Encryption Service gives senders enhanced security and reliable controls for traditional email tools.

GreatHorn is an API, cloud-native email security solution that mitigates the risk of business email compromise across Microsoft 365 and Google Workspace.

Learn how Proofpoint solutions eliminate compliance risks as organizations engage customers on digital channels, desktop, mobile, and social media.

Email Encryption is an essential part of Secure Cloud. With Zix, we send encrypted email automagically in the background. No extra steps are required, ever.

MailGuard is a leading Australian technological innovator, providing complete enterprise-grade protection against email security threats such as phishing, ransomware, and BEC. First to stop fast breaking attacks, MailGuard detects and prevents email threats 2-48 hours ahead of the market.

Reliable, secure, extensible, and customizable mail server software platform made for on-prem and cloud-native deployment; easily scalable, smart licensing.

AI-Powered, Human-Driven Security for Users Across Email, Browsers and SaaS Applications.

Full suite for Microsoft 365 security, Risk, Governance, Compliance & Backup

Guardian Digital has developed unparalleled AI-powered business cloud email security services. Secure your business emails and stay threat-ready today.

The MDaemon Email Server is trusted by businesses in over 140 countries to provide a secure, reliable, and affordable alternative to Microsoft Exchange or Microsoft 365. IT professionals recommend MDaemon as an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. On-premise or hosted email deployment.

Proofpoint Targeted Attack Protection (TAP) provides an innovative approach to detect, analyze and block advanced threats targeting your people. It also offers unique visibility into these threats...

With Darktrace's self-learning cyber security AI, you're protected against future email attacks that aren’t limited to past attack rules & data. Get a demo.

We are the Experts in Email Archiving: Innovative Email Archiving Solutions for small and medium-sized Businesses.

Secure your business emails. Train your employees to cyber attacks. Protect your emails with Mailinblack.

Safeguard your users and applications with Juniper Connected Security that extends security to every point of connection, from client to cloud, across the network.

Libraesva Email Archiver is a powerful and simple solutionfor email Governance, Risk and Compliance. it provides rapid e-Discovery with instant full-text search.

MagicMail is the top selling, carrier-grade email server built for ISPs, Telcos, and Cable companies to manage your back-end services for email.

Over 90% of targeted ransomware attacks start with a spear phishing attack. But with a single appliance, you can detect and block targeted attacks.

Graphus is automated email security software, providing security for Google Workspace & Microsoft 365 users against phishing & social engineering attacks.

Take back control of your email reputation with award-winning, cloud-based DMARC, DKIM and SPF configuration and management.

From Endpoint, Cloud, and Network Protection to Fully Managed Cybersecurity Services, We Have You Covered. Sophos Delivers Better Security Outcomes.

Discover Proofpoint Essentials, enterprise-class SMB cybersecurity. Learn why Proofpoint is the leader in medium and small business cybersecurity solutions.

DNS filtering and DNS web filtering solution providing AI driven threat protection and advanced web content controls for MSPs.

Trend ScanMail™ for Domino provides comprehensive mail server security with real-time protection and streamlined administration that blocks emails with links to malicious sites.

Powerful, effective protection against spam and malware

Virtru data encryption protects data, through email and file-sharing, Cloud, SaaS, CRM solutions and across internal and external ecosystems.

Mimecast brand protection services combine machine learning and targeted scans to identify potential attacks reduce compromise. Learn more.

Award-winning solutions that are easy to deploy and manage, making enterprise-grade security accessible to any organization regardless of size or expertise.

GoAnywhere is a secure managed file transfer (MFT) solution that allows organizations to securely automate the exchange of data with their trading partners, customers, employees and internal systems.

The leading CMMC, NIST, and ITAR compliance solution for SMEs. End-to-end encrypted email and file sharing.

Stay on top of security issues with our cloud-based managed cybersecurity system. With forensics, data loss prevention and more, your devices are fully protected.

Secure Web Gateway (SWG) solutions use web filtering to enforce company Internet access policies. They also filter unwanted software, especially malware, from user-initiated Internet connections.

Barracuda Networks is the worldwide leader in Security, Application Delivery and Data Protection Solutions.

Protect your business from viruses with AVG Internet Security Business Edition. Includes email and server security, business antivirus, and firewall.

Secure Internet Gateway (SIG) provides next generation, cloud-based firewall protection for businesses, MSPs, and MSSPs.

Protect your organization from insider threats with Forcepoint insider threat solutions. Learn how to identify, investigate and respond to insider threats.

WildFire leverages a suite of cloud-based malware detection techniques and inline ML to identify and protect against unknown file-based threats.

Real-time link click protection defends against malicious links in emails every time, on every device, from anywhere.

Discover Echoworx, the industry-leading provider of cutting-edge email encryption to safeguard your sensitive communications

Kaspersky Endpoint Security for Business offers cloud or on-premise multi-level adaptive endpoint protection, automated threat defense and systems hardening for mixed environments.

Kaspersky Security for Microsoft Office 365 protects your cloud-oriented enterprise from email-borne threats. Learn how it uses advanced next generation techniques to stop phishing, ransomware, malicious attachments, spam and business email compromise (BEC).

Discover how Proofpoint Digital Protection helps protect social media accounts against account hacks, attacks, malicious content and other risks.

Fortra data classification software is a multi-platform data protection solution that can help your organization protect its sensitive data wherever it lives.

Managed Service Providers: Get white-labeled MSSP-hosted security, wireless management, and analytics.

Complete protection against phishing, malware or spam, adding an extra layer of cyber defense for your Microsoft 365, Google Workspace cloud apps and email.

Find out how Proofpoint Threat Response solutions enables security teams to respond to threats that are targeting people in their organization.

Enterprise-class protection against internet-borne threats and Advanced Web Content Caching with FortiProxy

FortiGate-VM offers the same security and networking services from FortiOS 7.0 and is available for public cloud, private cloud, and Telco Cloud (VNFs).

GTB Enterprise Data Protection / DLP platform that Works is the superior alternative! Protect Cloud, Network & Mobile Data Now

The world’s most formidable cybersecurity based on superior research that’s easy to use. A unique balance of prevention, detection and response.