# TrustLayer Mail alternatives and competitors (2026) The closest TrustLayer Mail alternatives are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365) and [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security). Picking a TrustLayer Mail 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. 41 alternatives. Closest matches: Fortra Email Security & Anti-Phishing, Microsoft Defender for Office 365, Fortinet FortiMail Email and Workspace Security. ## The product [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail) by TrustLayer Email security platform with inline threat protection and compliant archiving 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. ## TrustLayer Mail alternatives and competitors TrustLayer Mail is a commercial [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) solution made by TrustLayer. 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), [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365), [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security), [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution), and [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security). All 41 alternatives on this page are ranked the same way. ## The closest TrustLayer Mail alternatives These 8 solutions overlap most with TrustLayer Mail. 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) · [TrustLayer Mail vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-trustlayer-mail) ### 2. [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365) Email and collaboration security for Microsoft 365 environments [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Microsoft Defender for Office 365 page](https://cybersectools.com/tools/microsoft-defender-for-office-365#features). [Microsoft Defender for Office 365 alternatives](https://cybersectools.com/alternatives/microsoft-defender-for-office-365) · [TrustLayer Mail vs Microsoft Defender for Office 365](https://cybersectools.com/compare/microsoft-defender-for-office-365-vs-trustlayer-mail) ### 3. [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) · [TrustLayer Mail vs Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-trustlayer-mail) ### 4. [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) · [TrustLayer Mail vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-trustlayer-mail) ### 5. [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) Email security platform protecting M365 & Google Workspace from threats [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Mimecast Advanced Email Security page](https://cybersectools.com/tools/mimecast-advanced-email-security#features). [Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security) · [TrustLayer Mail vs Mimecast Advanced Email Security](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-trustlayer-mail) ### 6. [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) · [TrustLayer Mail vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-trustlayer-mail) ### 7. [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange) Email security for Microsoft Exchange servers with antispam and antimalware. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Bitdefender GravityZone Security for Exchange page](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange#features). [Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) · [TrustLayer Mail vs Bitdefender GravityZone Security for Exchange](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-trustlayer-mail) ### 8. [OPSWAT MetaDefender Email Security](https://cybersectools.com/tools/opswat-metadefender-email-security) Email security platform protecting against phishing, malware, and exploits [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [OPSWAT MetaDefender Email Security page](https://cybersectools.com/tools/opswat-metadefender-email-security#features). [OPSWAT MetaDefender Email Security alternatives](https://cybersectools.com/alternatives/opswat-metadefender-email-security) · [TrustLayer Mail vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-trustlayer-mail) ## All 41 products like TrustLayer Mail The 8 above, plus: - [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) - [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) - [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) - [Vircom Email Security](https://cybersectools.com/tools/vircom-email-security): Email security platform enhanced with multi-tenant mgmt & automation tools (Commercial) - [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. (Commercial) - [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus): AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. (Commercial) - [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365): Email security layer for M365 with anti-phishing, sandboxing, 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) - [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity): Cloud security platform for M365 covering email, backup, and awareness. (Commercial) - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection): Email gateway that blocks spam, phishing and malware before inbox delivery, made (Commercial) - [TitanHQ Cybersecurity Bundles](https://cybersectools.com/tools/titanhq-cybersecurity-bundles): Bundled cybersecurity solutions for MSPs and end users with email protection (Commercial) - [INKY Graymail Protection](https://cybersectools.com/tools/inky-graymail-protection): Filters bulk and graymail to reduce email distractions and boost productivity (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) - [Sophos Email](https://cybersectools.com/tools/sophos-email): Email security platform with phishing/BEC protection and MDR/XDR integration (Commercial) - [SorbSecurity Cloud Email Security](https://cybersectools.com/tools/sorbsecurity-cloud-email-security): Cloud-based email security platform protecting against phishing & ransomware (Commercial) - [GreatHorn Email Security](https://cybersectools.com/tools/greathorn-email-security): Cloud-native email security platform for phishing detection and response (Commercial) - [Zivver Secure Business Email](https://cybersectools.com/tools/zivver-secure-business-email): All-in-one email security platform for threat protection and compliance (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) - [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway): Email security gateway protecting against spam, phishing, viruses & data leaks (Commercial) - [MX Layer Email Security](https://cybersectools.com/tools/mx-layer-email-security): Cloud-based email security platform with AI-powered threat detection (Commercial) - [xorlab Email Security](https://cybersectools.com/tools/xorlab-email-security): AI-driven email security platform for detecting advanced email threats (Commercial) - [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc): Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols (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) - [LevelBlue Email Security](https://cybersectools.com/tools/levelblue-email-security): Managed email security service protecting against email-based threats (Commercial) - [Proofpoint Core Email Protection](https://cybersectools.com/tools/proofpoint-threat-protection): Email security platform with AI-based threat detection and DLP capabilities (Commercial) - [AnubisNetworks Email Security](https://cybersectools.com/tools/anubisnetworks-email-security): Email security platform protecting against fraud, malware, and spam threats (Commercial) - [Abnormal Inbound Email Security](https://cybersectools.com/tools/abnormal-security-cloud-email-security): AI-powered email security platform detecting advanced threats via behavioral analysis (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) ## Alternatives to each of these [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [Microsoft Defender for Office 365 alternatives](https://cybersectools.com/alternatives/microsoft-defender-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) · [Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security) · [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) · [OPSWAT MetaDefender Email Security alternatives](https://cybersectools.com/alternatives/opswat-metadefender-email-security) · [VIPRE Integrated Email Security (IES) alternatives](https://cybersectools.com/alternatives/vipre-integrated-email-security-ies) · [Mesh 365 alternatives](https://cybersectools.com/alternatives/mesh-365) · [Cisco Secure Email Threat Defense alternatives](https://cybersectools.com/alternatives/cisco-secure-email-threat-defense) · [KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) ## Compare TrustLayer Mail with - [TrustLayer Mail vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-trustlayer-mail) - [TrustLayer Mail vs Microsoft Defender for Office 365](https://cybersectools.com/compare/microsoft-defender-for-office-365-vs-trustlayer-mail) - [TrustLayer Mail vs Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-trustlayer-mail) - [TrustLayer Mail vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-trustlayer-mail) - [TrustLayer Mail vs Mimecast Advanced Email Security](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-trustlayer-mail) - [TrustLayer Mail vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-trustlayer-mail) - [TrustLayer Mail vs Bitdefender GravityZone Security for Exchange](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-trustlayer-mail) - [TrustLayer Mail vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-trustlayer-mail) ## TrustLayer Mail Alternatives FAQ ### What are the closest alternatives to TrustLayer Mail? The closest matches to TrustLayer Mail by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Microsoft Defender for Office 365, Fortinet FortiMail Email and Workspace Security, Cellopoint Cloud Email Security Solution, and Mimecast Advanced Email Security. All of them are Email Security Platforms products. ### How many alternatives to TrustLayer Mail are available? This page shows 41 alternatives to TrustLayer Mail, 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 TrustLayer Mail free or commercial? TrustLayer Mail 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 TrustLayer Mail? TrustLayer Mail is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 41 other Email Security Platforms products on this page. --- Source: https://cybersectools.com/alternatives/trustlayer-mail For AI agents: 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 TrustLayer Mail 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