# Fortinet FortiMail Email and Workspace Security vs GLIMPS Email Security for M365: side-by-side comparison (2026) [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Fortinet](https://cybersectools.com/companies/fortinet). [GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [GLIMPS](https://cybersectools.com/companies/glimps). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security) Best for: Fortinet customers and on-premises mail servers It belongs here because inbound and outbound protection, DLP and encryption come in one product that runs as a gateway or through an API, which suits companies that still host their own mail servers. Multi-tenancy and a managed incident response service help if a provider runs your email security. If you use no other Fortinet products, weigh how much of its value depends on that ecosystem. From [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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. ## Side-by-side comparison | | Fortinet FortiMail Email and Workspace Security | GLIMPS Email Security for M365 | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Fortinet | GLIMPS | | Headquarters | – | – | ### Use cases and capabilities | | Fortinet FortiMail Email and Workspace Security | GLIMPS Email Security for M365 | |---|---|---| | Microsoft 365 | Yes | Yes | | Zero Day | – | Yes | | DKIM | – | Yes | | DMARC | – | Yes | ### Core features **Fortinet FortiMail Email and Workspace Security** 10 features listed. Sign in on the page to see them. **GLIMPS Email Security for M365** 10 features listed. Sign in on the page to see them. ### Integrations **Fortinet FortiMail Email and Workspace Security** 3 integrations listed. Sign in on the page to see them. **GLIMPS Email Security for M365** 2 integrations listed. Sign in on the page to see them. ## Fortinet FortiMail Email and Workspace Security vs GLIMPS Email Security for M365 FAQ Common questions when comparing Fortinet FortiMail Email and Workspace Security vs GLIMPS Email Security for M365 for email security platforms. ### What is the difference between Fortinet FortiMail Email and Workspace Security and GLIMPS Email Security for M365? **Fortinet FortiMail Email and Workspace Security**: AI-powered email security platform protecting against phishing, BEC, and ATO. Built by Fortinet. **GLIMPS Email Security for M365**: AI-based email security for M365 with phishing, BEC & malware detection. Built by GLIMPS. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Fortinet FortiMail Email and Workspace Security and GLIMPS Email Security for M365? **Fortinet FortiMail Email and Workspace Security** is made by Fortinet. **GLIMPS Email Security for M365** is made by GLIMPS. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Fortinet FortiMail Email and Workspace Security a good alternative to GLIMPS Email Security for M365? Often, yes. Fortinet FortiMail Email and Workspace Security and GLIMPS Email Security for M365 are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Fortinet FortiMail Email and Workspace Security vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-opswat-metadefender-email-security) - [Fortinet FortiMail Email and Workspace Security vs ID Agent Graphus](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-id-agent-graphus) - [Fortinet FortiMail Email and Workspace Security vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-infonaligy-proofpoint-email-security) - [GLIMPS Email Security for M365 vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-opswat-metadefender-email-security) - [GLIMPS Email Security for M365 vs ID Agent Graphus](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-id-agent-graphus) - [GLIMPS Email Security for M365 vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-infonaligy-proofpoint-email-security) ## Alternatives to each - [See all Fortinet FortiMail Email and Workspace Security alternatives](https://cybersectools.com/alternatives/fortinet-fortimail-email-security) - [See all GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365) --- Source: https://cybersectools.com/compare/fortinet-fortimail-email-security-vs-glimps-email-security-for-m365 For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/fortinet-fortimail-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Fortinet FortiMail Email and Workspace Security and GLIMPS Email Security for M365: 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=compare-md