# Sendmarc DMARC Managed Services vs ThreatDown Email Security: side-by-side comparison (2026) [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). [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). 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 | | Sendmarc DMARC Managed Services | ThreatDown Email Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Sendmarc | ThreatDown by Malwarebytes | | Headquarters | – | – | ### Use cases and capabilities | | Sendmarc DMARC Managed Services | ThreatDown Email Security | |---|---|---| | DMARC | Yes | – | | SPF | Yes | – | | DKIM | Yes | – | | Multi Tenancy | Yes | – | | Spoofing | Yes | – | ### Core features **Sendmarc DMARC Managed Services** 10 features listed. Sign in on the page to see them. **ThreatDown Email Security** 8 features listed. Sign in on the page to see them. ### Integrations **Sendmarc DMARC Managed Services** 2 integrations listed. Sign in on the page to see them. **ThreatDown Email Security** No integrations listed. ## Sendmarc DMARC Managed Services vs ThreatDown Email Security FAQ Common questions when comparing Sendmarc DMARC Managed Services vs ThreatDown Email Security for email security platforms. ### What is the difference between Sendmarc DMARC Managed Services and ThreatDown Email Security? **Sendmarc DMARC Managed Services**: MSP-focused multi-tenant DMARC management platform for email auth at scale, built by Sendmarc. **ThreatDown Email Security**: AI-powered email security platform for phishing and BEC protection, built by ThreatDown by Malwarebytes. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Sendmarc DMARC Managed Services and ThreatDown Email Security? **Sendmarc DMARC Managed Services** is made by Sendmarc. **ThreatDown Email Security** is made by ThreatDown by Malwarebytes. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Sendmarc DMARC Managed Services a good alternative to ThreatDown Email Security? Often, yes. Sendmarc DMARC Managed Services and ThreatDown Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [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) - [ThreatDown Email Security vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-threatdown-email-security) - [ThreatDown Email Security vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/sendmarc-dmarc-management-platform-vs-threatdown-email-security) - [ThreatDown Email Security vs InboxSeguro](https://cybersectools.com/compare/inboxseguro-vs-threatdown-email-security) ## Alternatives to each - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) - [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security) --- Source: https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-threatdown-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/sendmarc-dmarc-managed-services.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Sendmarc DMARC Managed Services and ThreatDown Email Security: 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