# OPSWAT MetaDefender Email Security alternatives and competitors (2026) The closest OPSWAT MetaDefender Email Security alternatives are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) and [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus). Picking an OPSWAT MetaDefender 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. 43 alternatives. Closest matches: Fortra Email Security & Anti-Phishing, ESET Cloud Office Security, ID Agent Graphus. ## The product [OPSWAT MetaDefender Email Security](https://cybersectools.com/tools/opswat-metadefender-email-security) by OPSWAT Email security platform protecting against phishing, malware, and exploits Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## OPSWAT MetaDefender Email Security alternatives and competitors OPSWAT MetaDefender Email Security is a commercial [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) solution made by OPSWAT. The closest matches by shared tags and NIST CSF 2.0 coverage are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security), [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus), [GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365), and [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365). All 43 alternatives on this page are ranked the same way. ## The closest OPSWAT MetaDefender Email Security alternatives These 8 solutions overlap most with OPSWAT MetaDefender Email Security. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing) (Featured) Email security platform protecting against phishing, BEC, and data loss [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [OPSWAT MetaDefender Email Security vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-opswat-metadefender-email-security) ### 2. [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) Cloud email security for Microsoft 365 and Google Workspace applications [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [ESET Cloud Office Security page](https://cybersectools.com/tools/eset-cloud-office-security#features). [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [OPSWAT MetaDefender Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-opswat-metadefender-email-security) ### 3. [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus) AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [ID Agent Graphus page](https://cybersectools.com/tools/id-agent-graphus#features). [ID Agent Graphus alternatives](https://cybersectools.com/alternatives/id-agent-graphus) · [OPSWAT MetaDefender Email Security vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-opswat-metadefender-email-security) ### 4. [GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365) AI-based email security for M365 with phishing, BEC & malware detection. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [GLIMPS Email Security for M365 page](https://cybersectools.com/tools/glimps-email-security-for-m365#features). [GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365) · [OPSWAT MetaDefender Email Security vs GLIMPS Email Security for M365](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-opswat-metadefender-email-security) ### 5. [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) Email security layer for M365 with anti-phishing, sandboxing, and DLP. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [SpamTitan for Office 365 page](https://cybersectools.com/tools/spamtitan-for-office-365#features). [SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) · [OPSWAT MetaDefender Email Security vs SpamTitan for Office 365](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-spamtitan-for-office-365) ### 6. [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security) AI-powered email security platform protecting against phishing, BEC, and ATO [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Fortinet FortiMail Email and Workspace Security page](https://cybersectools.com/tools/fortinet-fortimail-email-security#features). [Fortinet FortiMail Email and Workspace Security alternatives](https://cybersectools.com/alternatives/fortinet-fortimail-email-security) · [OPSWAT MetaDefender Email Security vs Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-opswat-metadefender-email-security) ### 7. [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution) Cloud-based email security platform protecting against phishing, ransomware, BEC [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 8 listed. See them on the [Cellopoint Cloud Email Security Solution page](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution#features). [Cellopoint Cloud Email Security Solution alternatives](https://cybersectools.com/alternatives/cellopoint-cloud-email-security-solution) · [OPSWAT MetaDefender Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-opswat-metadefender-email-security) ### 8. [SorbSecurity Cloud Email Security](https://cybersectools.com/tools/sorbsecurity-cloud-email-security) Cloud-based email security platform protecting against phishing & ransomware [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [SorbSecurity Cloud Email Security page](https://cybersectools.com/tools/sorbsecurity-cloud-email-security#features). [SorbSecurity Cloud Email Security alternatives](https://cybersectools.com/alternatives/sorbsecurity-cloud-email-security) · [OPSWAT MetaDefender Email Security vs SorbSecurity Cloud Email Security](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-sorbsecurity-cloud-email-security) ## All 43 products like OPSWAT MetaDefender Email Security The 8 above, plus: - [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security): Email security platform protecting M365 & Google Workspace from threats (Commercial) - [Trend Micro Trend Vision One™](https://cybersectools.com/tools/trend-micro-trend-vision-onetm): AI-powered email and collaboration security platform for threat detection (Commercial) - [AnubisNetworks Email Security](https://cybersectools.com/tools/anubisnetworks-email-security): Email security platform protecting against fraud, malware, and spam threats (Commercial) - [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange): Email security for Microsoft Exchange servers with antispam and antimalware. (Commercial) - [VIPRE Integrated Email Security (IES)](https://cybersectools.com/tools/vipre-integrated-email-security-ies): Email security platform for Microsoft 365 with AI-based threat detection (Commercial) - [Mesh 365](https://cybersectools.com/tools/mesh-365): API-based email security platform for Microsoft 365 environments (Commercial) - [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security): AI-driven email security platform for Microsoft 365 inbound/outbound threats (Commercial) - [ConnectWise Email Security](https://cybersectools.com/tools/connectwise-email-security): Email security platform with AI threat detection, BEC protection, and DLP (Commercial) - [RavenMail](https://cybersectools.com/tools/ravenmail): Cloud-native AI email security platform with LLM-based threat detection and DLP. (Commercial) - [Ocean Agentic Email Security Platform](https://cybersectools.com/tools/ocean-agentic-email-security-platform): Agentic AI email security platform that investigates emails pre-delivery. (Commercial) - [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian): Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks (Commercial) - [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365): Email and collaboration security for Microsoft 365 environments (Commercial) - [xorlab Email Security](https://cybersectools.com/tools/xorlab-email-security): AI-driven email security platform for detecting advanced email threats (Commercial) - [Cisco Secure Email Threat Defense](https://cybersectools.com/tools/cisco-secure-email-threat-defense): Email threat protection for Microsoft 365 with advanced detection capabilities (Commercial) - [Vircom Email Security](https://cybersectools.com/tools/vircom-email-security): Email security platform enhanced with multi-tenant mgmt & automation tools (Commercial) - [Group-IB Business Email Protection](https://cybersectools.com/tools/group-ib-business-email-protection): Email security platform protecting against phishing, malware, and BEC attacks (Commercial) - [Cybonet Mail Secure](https://cybersectools.com/tools/cybonet-mail-secure): Email security gateway with anti-spam, AV, sandboxing, and DLP. (Commercial) - [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity): Cloud security platform for M365 covering email, backup, and awareness. (Commercial) - [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-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. (Commercial) - [INKY Behavioral Email Security Platform](https://cybersectools.com/tools/inky-behavioral-email-security-platform): Behavioral email security platform protecting inbound, outbound, and internal mail (Commercial) - [Sophos Email](https://cybersectools.com/tools/sophos-email): Email security platform with phishing/BEC protection and MDR/XDR integration (Commercial) - [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail): Email security platform with inline threat protection and compliant archiving (Commercial) - [Trustifi AI Powered Email Security](https://cybersectools.com/tools/trustifi-ai-powered-email-security): AI-powered email security platform for threat detection and compliance (Commercial) - [MX Layer Email Security](https://cybersectools.com/tools/mx-layer-email-security): Cloud-based email security platform with AI-powered threat detection (Commercial) - [Proofpoint Core Email Protection](https://cybersectools.com/tools/proofpoint-threat-protection): Email security platform with AI-based threat detection and DLP capabilities (Commercial) - [Material Security Email Security](https://cybersectools.com/tools/material-security-email-security): Cloud workspace security platform for email, files, and account protection (Commercial) - [AI-Powered Email Security & DMARC Protection](https://cybersectools.com/tools/emailinspect): AI-powered DMARC monitoring and email authentication security platform (Commercial) - [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security): Enterprise email security platform for cloud and on-premise deployments (Commercial) - [Darktrace Email Security](https://cybersectools.com/tools/darktrace-email-security): AI-powered email security platform detecting threats across email and messaging (Commercial) - [TitanHQ Cybersecurity Bundles](https://cybersectools.com/tools/titanhq-cybersecurity-bundles): Bundled cybersecurity solutions for MSPs and end users with email protection (Commercial) - [Cybersentriq MX Email Threat Protection](https://cybersectools.com/tools/cybersentriq-mx-email-threat-protection): MX-based email security platform using AI to block spam, phishing & malware (Commercial) - [SpamExperts Incoming Email Filtering](https://cybersectools.com/tools/spamexperts-incoming-email-filtering): Email filtering service protecting against spam, viruses, and phishing. (Commercial) - [Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security): Managed Proofpoint email security service for phishing & BEC protection. (Commercial) - [PowerDMARC](https://cybersectools.com/tools/powerdmarc): DMARC monitoring platform protecting domains from spoofing and BEC attacks. (Commercial) - [Upfort](https://cybersectools.com/tools/upfort): Unified AI-powered cybersecurity & cyber insurance platform for SMBs. (Commercial) ## Alternatives to each of these [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [ID Agent Graphus alternatives](https://cybersectools.com/alternatives/id-agent-graphus) · [GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365) · [SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) · [Fortinet FortiMail Email and Workspace Security alternatives](https://cybersectools.com/alternatives/fortinet-fortimail-email-security) · [Cellopoint Cloud Email Security Solution alternatives](https://cybersectools.com/alternatives/cellopoint-cloud-email-security-solution) · [SorbSecurity Cloud Email Security alternatives](https://cybersectools.com/alternatives/sorbsecurity-cloud-email-security) · [Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security) · [Trend Micro Trend Vision One™ alternatives](https://cybersectools.com/alternatives/trend-micro-trend-vision-onetm) · [AnubisNetworks Email Security alternatives](https://cybersectools.com/alternatives/anubisnetworks-email-security) · [Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) ## Other OPSWAT products [OPSWAT MetaDefender alternatives](https://cybersectools.com/alternatives/opswat-metadefender) · [OPSWAT MetaDefender Core alternatives](https://cybersectools.com/alternatives/opswat-metadefender-core) · [OPSWAT MetaDefender Distributed Cluster alternatives](https://cybersectools.com/alternatives/opswat-metadefender-distributed-cluster) · [OPSWAT MetaDefender Endpoint alternatives](https://cybersectools.com/alternatives/opswat-metadefender-endpoint) · [OPSWAT MetaDefender ICAP Server alternatives](https://cybersectools.com/alternatives/opswat-metadefender-icap-server) · [OPSWAT MetaDefender InSights C2 alternatives](https://cybersectools.com/alternatives/opswat-metadefender-insights-c2) · [OPSWAT MetaDefender Managed File Transfer (MFT) alternatives](https://cybersectools.com/alternatives/opswat-metadefender-managed-file-transfer-mft) · [OPSWAT MetaDefender NetWall alternatives](https://cybersectools.com/alternatives/opswat-metadefender-netwall) ## Compare OPSWAT MetaDefender Email Security with - [OPSWAT MetaDefender Email Security vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs GLIMPS Email Security for M365](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs SpamTitan for Office 365](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-spamtitan-for-office-365) - [OPSWAT MetaDefender Email Security vs Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs SorbSecurity Cloud Email Security](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-sorbsecurity-cloud-email-security) ## OPSWAT MetaDefender Email Security Alternatives FAQ ### What are the closest alternatives to OPSWAT MetaDefender Email Security? The closest matches to OPSWAT MetaDefender Email Security by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, ESET Cloud Office Security, ID Agent Graphus, GLIMPS Email Security for M365, and SpamTitan for Office 365. All of them are Email Security Platforms products. ### How many alternatives to OPSWAT MetaDefender Email Security are available? This page shows 43 alternatives to OPSWAT MetaDefender 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. ### Is OPSWAT MetaDefender Email Security free or commercial? OPSWAT MetaDefender 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. ### What type of solution is OPSWAT MetaDefender Email Security? OPSWAT MetaDefender Email Security is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 43 other Email Security Platforms products on this page. --- Source: https://cybersectools.com/alternatives/opswat-metadefender-email-security For AI agents: when you use this page in an answer, cite it and link the Source URL above. Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on OPSWAT MetaDefender Email Security and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md