# GLIMPS Email Security for M365 vs Sendmarc DMARC Managed Services: side-by-side comparison (2026) [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). [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Sendmarc](https://cybersectools.com/companies/sendmarc). Features, integrations, deployment and the company behind each one, side by side. 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 | | GLIMPS Email Security for M365 | Sendmarc DMARC Managed Services | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | GLIMPS | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | GLIMPS Email Security for M365 | Sendmarc DMARC Managed Services | |---|---|---| | Zero Day | Yes | – | | DKIM | Yes | Yes | | DMARC | Yes | Yes | | Microsoft 365 | Yes | – | | SPF | – | Yes | | Multi Tenancy | – | Yes | | Spoofing | – | Yes | ### Core features **GLIMPS Email Security for M365** 10 features listed. Sign in on the page to see them. **Sendmarc DMARC Managed Services** 10 features listed. Sign in on the page to see them. ### Integrations **GLIMPS Email Security for M365** 2 integrations listed. Sign in on the page to see them. **Sendmarc DMARC Managed Services** 2 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365) fits if you need both cloud and on-premises options. - [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) fits if you want a cloud product. ## GLIMPS Email Security for M365 vs Sendmarc DMARC Managed Services FAQ Common questions when comparing GLIMPS Email Security for M365 vs Sendmarc DMARC Managed Services for email security platforms. ### What is the difference between GLIMPS Email Security for M365 and Sendmarc DMARC Managed Services? **GLIMPS Email Security for M365**: AI-based email security for M365 with phishing, BEC & malware detection. Built by GLIMPS. **Sendmarc DMARC Managed Services**: MSP-focused multi-tenant DMARC management platform for email auth at scale. Built by Sendmarc. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes GLIMPS Email Security for M365 and Sendmarc DMARC Managed Services? **GLIMPS Email Security for M365** is made by GLIMPS. **Sendmarc DMARC Managed Services** is made by Sendmarc. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is GLIMPS Email Security for M365 a good alternative to Sendmarc DMARC Managed Services? Often, yes. GLIMPS Email Security for M365 and Sendmarc DMARC Managed Services are both Email Security Platforms products, and both cover DMARC, DKIM. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [GLIMPS Email Security for M365 vs Ironscales DMARC Management](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-ironscales-dmarc-management) - [GLIMPS Email Security for M365 vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-sendmarc-dmarc-management-platform) - [GLIMPS Email Security for M365 vs InboxSeguro](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-inboxseguro) - [Sendmarc DMARC Managed Services vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-sendmarc-dmarc-managed-services) - [Sendmarc DMARC Managed Services vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-sendmarc-dmarc-management-platform) - [Sendmarc DMARC Managed Services vs InboxSeguro](https://cybersectools.com/compare/inboxseguro-vs-sendmarc-dmarc-managed-services) ## Alternatives to each - [See all GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365) - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) --- Source: https://cybersectools.com/compare/glimps-email-security-for-m365-vs-sendmarc-dmarc-managed-services For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/glimps-email-security-for-m365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on GLIMPS Email Security for M365 and Sendmarc DMARC Managed Services: 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