# Mesh 365 alternatives and competitors (2026) The closest Mesh 365 alternatives are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) and [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution). Picking a Mesh 365 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. 42 alternatives. Closest matches: Fortra Email Security & Anti-Phishing, Bitdefender GravityZone Extended Email Security, Cellopoint Cloud Email Security Solution. ## The product [Mesh 365](https://cybersectools.com/tools/mesh-365) by Mesh by BitDefender API-based email security platform for Microsoft 365 environments 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. ## Mesh 365 alternatives and competitors Mesh 365 is a commercial [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) solution made by Mesh by BitDefender. 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), [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security), [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution), [INKY Behavioral Email Security Platform](https://cybersectools.com/tools/inky-behavioral-email-security-platform), and [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security). All 42 alternatives on this page are ranked the same way. ## The closest Mesh 365 alternatives These 8 solutions overlap most with Mesh 365. 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) · [Mesh 365 vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-mesh-365) ### 2. [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) Cloud-native email security platform with SEG and API-based protection [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Bitdefender GravityZone Extended Email Security page](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security#features). Shares 3 capabilities with Mesh 365: Ransomware Prevention, Microsoft 365, Multi Tenancy [Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security) · [Mesh 365 vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) ### 3. [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) · [Mesh 365 vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-mesh-365) ### 4. [INKY Behavioral Email Security Platform](https://cybersectools.com/tools/inky-behavioral-email-security-platform) Behavioral email security platform protecting inbound, outbound, and internal mail [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [INKY Behavioral Email Security Platform page](https://cybersectools.com/tools/inky-behavioral-email-security-platform#features). [INKY Behavioral Email Security Platform alternatives](https://cybersectools.com/alternatives/inky-behavioral-email-security-platform) · [Mesh 365 vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-mesh-365) ### 5. [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) · [Mesh 365 vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-mesh-365) ### 6. [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security) AI-driven email security platform for Microsoft 365 inbound/outbound threats [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [KnowBe4 Cloud Email Security page](https://cybersectools.com/tools/knowbe4-cloud-email-security#features). [KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) · [Mesh 365 vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-mesh-365) ### 7. [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 [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Cybersentriq MX Email Threat Protection page](https://cybersectools.com/tools/cybersentriq-mx-email-threat-protection#features). [Cybersentriq MX Email Threat Protection alternatives](https://cybersectools.com/alternatives/cybersentriq-mx-email-threat-protection) · [Mesh 365 vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-mesh-365) ### 8. [ConnectWise Email Security](https://cybersectools.com/tools/connectwise-email-security) Email security platform with AI threat detection, BEC protection, and DLP [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [ConnectWise Email Security page](https://cybersectools.com/tools/connectwise-email-security#features). [ConnectWise Email Security alternatives](https://cybersectools.com/alternatives/connectwise-email-security) · [Mesh 365 vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-mesh-365) ## All 42 products like Mesh 365 The 8 above, plus: - [SpamExperts Incoming Email Filtering](https://cybersectools.com/tools/spamexperts-incoming-email-filtering): Email filtering service protecting against spam, viruses, and phishing. (Commercial) - [SpamTitan](https://cybersectools.com/tools/spamtitan): Cloud-based anti-spam and antivirus email filtering with AI threat detection. (Commercial) - [TitanHQ SpamTitan](https://cybersectools.com/tools/titanhq-spamtitan): Email security platform blocking spam, phishing, malware, and viruses (Commercial) - [Vircom Email Security](https://cybersectools.com/tools/vircom-email-security): Email security platform enhanced with multi-tenant mgmt & automation tools (Commercial) - [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity): Cloud security platform for M365 covering email, backup, and awareness. (Commercial) - [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 (Commercial) - [SorbSecurity Cloud Email Security](https://cybersectools.com/tools/sorbsecurity-cloud-email-security): Cloud-based email security platform protecting against phishing & ransomware (Commercial) - [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security): Email security platform protecting M365 & Google Workspace from threats (Commercial) - [MX Layer Email Security](https://cybersectools.com/tools/mx-layer-email-security): Cloud-based email security platform with AI-powered threat detection (Commercial) - [Material Security Email Security](https://cybersectools.com/tools/material-security-email-security): Cloud workspace security platform for email, files, and account protection (Commercial) - [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security): Enterprise email security platform for cloud and on-premise deployments (Commercial) - [OPSWAT MetaDefender Email Security](https://cybersectools.com/tools/opswat-metadefender-email-security): Email security platform protecting against phishing, malware, and exploits (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) - [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus): AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. (Commercial) - [Upfort](https://cybersectools.com/tools/upfort): Unified AI-powered cybersecurity & cyber insurance platform for SMBs. (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) - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection): Email gateway that blocks spam, phishing and malware before inbox delivery, made (Commercial) - [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365): Email and collaboration security 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) - [Ironscales DMARC Management](https://cybersectools.com/tools/ironscales-dmarc-management): DMARC management platform for email authentication and domain protection (Commercial) - [Mailinblack U-Cyber 360°](https://cybersectools.com/tools/mailinblack-u-cyber-360): Comprehensive email security & human risk mgmt platform with AI-powered protection (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) - [MailGuard Email Security](https://cybersectools.com/tools/mailguard-email-security): Cloud-based email filtering blocking phishing, malware, spam & BEC attacks. (Commercial) - [Sendmarc DMARC Management Platform](https://cybersectools.com/tools/sendmarc-dmarc-management-platform): DMARC management platform for email auth enforcement across domains. (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) - [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) - [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) - [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) - [AI-Powered Email Security & DMARC Protection](https://cybersectools.com/tools/emailinspect): AI-powered DMARC monitoring and email authentication security platform (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) · [Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security) · [Cellopoint Cloud Email Security Solution alternatives](https://cybersectools.com/alternatives/cellopoint-cloud-email-security-solution) · [INKY Behavioral Email Security Platform alternatives](https://cybersectools.com/alternatives/inky-behavioral-email-security-platform) · [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) · [Cybersentriq MX Email Threat Protection alternatives](https://cybersectools.com/alternatives/cybersentriq-mx-email-threat-protection) · [ConnectWise Email Security alternatives](https://cybersectools.com/alternatives/connectwise-email-security) · [SpamExperts Incoming Email Filtering alternatives](https://cybersectools.com/alternatives/spamexperts-incoming-email-filtering) · [SpamTitan alternatives](https://cybersectools.com/alternatives/spamtitan) · [TitanHQ SpamTitan alternatives](https://cybersectools.com/alternatives/titanhq-spamtitan) · [Vircom Email Security alternatives](https://cybersectools.com/alternatives/vircom-email-security) ## Other Mesh by BitDefender products [Mesh Gateway alternatives](https://cybersectools.com/alternatives/mesh-email-security) ## Compare Mesh 365 with - [Mesh 365 vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-mesh-365) - [Mesh 365 vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) - [Mesh 365 vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-mesh-365) - [Mesh 365 vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-mesh-365) - [Mesh 365 vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-mesh-365) - [Mesh 365 vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-mesh-365) - [Mesh 365 vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-mesh-365) - [Mesh 365 vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-mesh-365) ## Mesh 365 Alternatives FAQ ### What are the closest alternatives to Mesh 365? The closest matches to Mesh 365 by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Bitdefender GravityZone Extended Email Security, Cellopoint Cloud Email Security Solution, INKY Behavioral Email Security Platform, and ESET Cloud Office Security. All of them are Email Security Platforms products. ### How many alternatives to Mesh 365 are available? This page shows 42 alternatives to Mesh 365, 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 Mesh 365 free or commercial? Mesh 365 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 Mesh 365? Mesh 365 is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 42 other Email Security Platforms products on this page. --- Source: https://cybersectools.com/alternatives/mesh-365 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 Mesh 365 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