# Microsoft Exchange 2019 Transport Filtering Agent vs Sendmarc DMARC Managed Services: side-by-side comparison (2026) [Microsoft Exchange 2019 Transport Filtering Agent](https://cybersectools.com/tools/microsoft-exchange-2019-transport-filtering-agent) is a free [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution. [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 | | Microsoft Exchange 2019 Transport Filtering Agent | Sendmarc DMARC Managed Services | |---|---|---| | Pricing model | Free | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | 20 | – | | Last commit | Aug 2021 | – | | Company | – | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Exchange 2019 Transport Filtering Agent | Sendmarc DMARC Managed Services | |---|---|---| | Regex | Yes | – | | DMARC | – | Yes | | SPF | – | Yes | | DKIM | – | Yes | | Multi Tenancy | – | Yes | | Spoofing | – | Yes | ### Core features **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. **Sendmarc DMARC Managed Services** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Exchange 2019 Transport Filtering Agent** No integrations listed. **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. - [Microsoft Exchange 2019 Transport Filtering Agent](https://cybersectools.com/tools/microsoft-exchange-2019-transport-filtering-agent) fits if you need to run it on your own servers, you need a free product and you want an open-source product. - [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) fits if you want a cloud product. ## Microsoft Exchange 2019 Transport Filtering Agent vs Sendmarc DMARC Managed Services FAQ Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs Sendmarc DMARC Managed Services for email security platforms. ### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and Sendmarc DMARC Managed Services? **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. **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 Microsoft Exchange 2019 Transport Filtering Agent and Sendmarc DMARC Managed Services? **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **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 Microsoft Exchange 2019 Transport Filtering Agent a good alternative to Sendmarc DMARC Managed Services? Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and Sendmarc DMARC Managed Services are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while Sendmarc DMARC Managed Services is Commercial, Microsoft Exchange 2019 Transport Filtering Agent is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Microsoft Exchange 2019 Transport Filtering Agent vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-sendmarc-dmarc-management-platform) - [Microsoft Exchange 2019 Transport Filtering Agent vs InboxSeguro](https://cybersectools.com/compare/inboxseguro-vs-microsoft-exchange-2019-transport-filtering-agent) - [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 Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) --- Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-sendmarc-dmarc-managed-services For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/microsoft-exchange-2019-transport-filtering-agent.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Microsoft Exchange 2019 Transport Filtering Agent 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