# Mimecast Advanced Email Security vs Sendmarc DMARC Managed Services: side-by-side comparison (2026) [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Mimecast](https://cybersectools.com/companies/mimecast). [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. ## Our take What our shortlists say about the one we picked. ### [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) Best for: Companies wanting a full gateway with clear tracking It earns its place because you can run it as a gateway or through an API, and archiving and continuity sit in the same platform, which suits a company with a mixed mail setup. Social graphing and computer vision aim at impersonation, not only malware. Weigh whether you need the archive and continuity parts, since they change how much of your mail flow depends on one vendor. 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 | | Mimecast Advanced Email Security | 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 | Mimecast | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | Mimecast Advanced Email Security | Sendmarc DMARC Managed Services | |---|---|---| | Microsoft 365 | Yes | – | | DMARC | – | Yes | | SPF | – | Yes | | DKIM | – | Yes | | Multi Tenancy | – | Yes | | Spoofing | – | Yes | ### Core features **Mimecast Advanced Email Security** 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 **Mimecast Advanced Email Security** 31 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. - [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) 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. ## Mimecast Advanced Email Security vs Sendmarc DMARC Managed Services FAQ Common questions when comparing Mimecast Advanced Email Security vs Sendmarc DMARC Managed Services for email security platforms. ### What is the difference between Mimecast Advanced Email Security and Sendmarc DMARC Managed Services? **Mimecast Advanced Email Security**: Email security platform protecting M365 & Google Workspace from threats. Built by Mimecast. **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 Mimecast Advanced Email Security and Sendmarc DMARC Managed Services? **Mimecast Advanced Email Security** is made by Mimecast. **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 Mimecast Advanced Email Security a good alternative to Sendmarc DMARC Managed Services? Often, yes. Mimecast Advanced Email Security and Sendmarc DMARC Managed Services are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Mimecast Advanced Email Security vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-mimecast-advanced-email-security) - [Mimecast Advanced Email Security vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-sendmarc-dmarc-management-platform) - [Mimecast Advanced Email Security vs InboxSeguro](https://cybersectools.com/compare/inboxseguro-vs-mimecast-advanced-email-security) - [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 Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security) - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) --- Source: https://cybersectools.com/compare/mimecast-advanced-email-security-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/mimecast-advanced-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Mimecast Advanced Email Security 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