The closest OpenText Email Security alternatives are Fortra Email Security & Anti-Phishing, Mesh Gateway and Cybonet Mail Secure. Picking an OpenText Email Security alternative comes down to fit: Email Security Platforms coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
44 alternativesClosest matches: Fortra Email Security & Anti-Phishing, Mesh Gateway, Cybonet Mail SecurePage updated Nov 2026
The product
by OpenText Cybersecurity
Comprehensive email security platform protecting inbound/outbound communications
OpenText Email Security is a commercial Email Security Platforms solution made by OpenText Cybersecurity. The closest matches by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Mesh Gateway, Cybonet Mail Secure, ID Agent Graphus, and Fortinet FortiMail Email and Workspace Security. All 44 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with OpenText Email Security. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Email security platform protecting against phishing, BEC, and data loss
Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data
Email security platform protecting against phishing, BEC, and data loss
Email security gateway protecting against phishing, BEC, and email-borne threats
Email security gateway with anti-spam, AV, sandboxing, and DLP.
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
AI-powered email security platform protecting against phishing, BEC, and ATO
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
Cloud-based email security platform protecting against phishing, ransomware, BEC
Behavioral email security platform protecting inbound, outbound, and internal mail
Email security platform with phishing/BEC protection and MDR/XDR integration
Cloud-based email security platform protecting against phishing & ransomware
Email security platform protecting M365 & Google Workspace from threats
All-in-one email security platform for threat protection and compliance
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
Cloud-based email security platform with AI-powered threat detection
Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols
AI-powered email and collaboration security platform for threat detection
Email security platform with AI-based threat detection and DLP capabilities
Email security platform protecting against fraud, malware, and spam threats
Cloud email security for Microsoft 365 and Google Workspace applications
Cloud workspace security platform for email, files, and account protection
Email security platform blocking spam, phishing, malware, and viruses
AI-powered DMARC monitoring and email authentication security platform
Cloud-native email security platform with SEG and API-based protection
Enterprise email security platform for cloud and on-premise deployments
AI-powered email security platform detecting threats across email and messaging
Email security platform protecting against phishing, malware, and exploits
Email security platform for Microsoft 365 with AI-based threat detection
AI-driven email security platform for Microsoft 365 inbound/outbound threats
MX-based email security platform using AI to block spam, phishing & malware
Email security platform with AI threat detection, BEC protection, and DLP
DMARC management platform for email authentication and domain protection
DMARC management platform for email authentication and domain protection
Email filtering service protecting against spam, viruses, and phishing.
Automated DMARC enforcement platform for domain protection and email security
Email security platform enhanced with multi-tenant mgmt & automation tools
Email server with antispam, antivirus, and security features for Linux/Windows
DMARC visualization tool for email domain protection and authentication
Comprehensive email security & human risk mgmt platform with AI-powered protection
Composable email infrastructure platform with threat detection and AI ops.
Managed Proofpoint email security service for phishing & BEC protection.
Cloud-based managed email filtering against phishing, ransomware & BEC.
DMARC monitoring platform protecting domains from spoofing and BEC attacks.
Platform automating DMARC compliance via record mgmt, reporting & policy enforcement.
Common questions when weighing alternatives to OpenText Email Security.
The closest matches to OpenText Email Security by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Mesh Gateway, Cybonet Mail Secure, ID Agent Graphus, and Fortinet FortiMail Email and Workspace Security. All of them are Email Security Platforms products.
This page shows 44 alternatives to OpenText Email Security, all in the Email Security Platforms category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
OpenText Email Security is a commercial Email Security Platforms product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
OpenText Email Security is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 44 other Email Security Platforms products on this page.
View Fortra Email Security & Anti-PhishingFortra Email Security & Anti-Phishing alternativesOpenText Email Security vs Fortra Email Security & Anti-Phishing
Email security gateway protecting against phishing, BEC, and email-borne threats
Key features: 10 listed. See them on the Mesh Gateway page.
View Mesh GatewayMesh Gateway alternativesOpenText Email Security vs Mesh Gateway
Email security gateway with anti-spam, AV, sandboxing, and DLP.
Key features: 10 listed. See them on the Cybonet Mail Secure page.
View Cybonet Mail SecureCybonet Mail Secure alternativesOpenText Email Security vs Cybonet Mail Secure
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
Key features: 10 listed. See them on the ID Agent Graphus page.
View ID Agent GraphusID Agent Graphus alternativesOpenText Email Security vs ID Agent Graphus
AI-powered email security platform protecting against phishing, BEC, and ATO
Key features: 10 listed. See them on the Fortinet FortiMail Email and Workspace Security page.
View Fortinet FortiMail Email and Workspace SecurityFortinet FortiMail Email and Workspace Security alternativesOpenText Email Security vs Fortinet FortiMail Email and Workspace Security
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
Key features: 9 listed. See them on the Cloudflare Cloud Email Security page.
View Cloudflare Cloud Email SecurityCloudflare Cloud Email Security alternativesOpenText Email Security vs Cloudflare Cloud Email Security
Cloud-based email security platform protecting against phishing, ransomware, BEC
Key features: 8 listed. See them on the Cellopoint Cloud Email Security Solution page.
View Cellopoint Cloud Email Security SolutionCellopoint Cloud Email Security Solution alternativesOpenText Email Security vs Cellopoint Cloud Email Security Solution
Behavioral email security platform protecting inbound, outbound, and internal mail
Key features: 10 listed. See them on the INKY Behavioral Email Security Platform page.
View INKY Behavioral Email Security PlatformINKY Behavioral Email Security Platform alternativesOpenText Email Security vs INKY Behavioral Email Security Platform
Need the answer fast? Best Email Security Solutions for Business picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.See the shortlist