# Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Outbound Email Filtering: 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. [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MX Layer](https://cybersectools.com/companies/mx-layer). 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 | MX Layer Outbound Email Filtering | |---|---|---| | 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 | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | 20 | – | | Last commit | Aug 2021 | – | | Company | – | MX Layer | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Exchange 2019 Transport Filtering Agent | MX Layer Outbound Email Filtering | |---|---|---| | Regex | Yes | – | | Content Filtering | – | Yes | | DKIM | – | Yes | | DMARC | – | Yes | | SPF | – | Yes | | Spam Prevention | – | Yes | ### Core features **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. **MX Layer Outbound Email Filtering** 10 features 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. - [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering) fits if you want a cloud product and you are a startup. ## Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Outbound Email Filtering FAQ Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Outbound Email Filtering for email security platforms. ### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and MX Layer Outbound Email Filtering? **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. **MX Layer Outbound Email Filtering**: Outbound email filtering platform for spam prevention and IP reputation mgmt. Built by MX Layer. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Microsoft Exchange 2019 Transport Filtering Agent and MX Layer Outbound Email Filtering? **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **MX Layer Outbound Email Filtering** is made by MX Layer. 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 MX Layer Outbound Email Filtering? Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and MX Layer Outbound Email Filtering are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while MX Layer Outbound Email Filtering 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 SmarterTools SmarterMail](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-smartertools-smartermail) - [Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan Gateway](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-spamtitan-gateway) - [Microsoft Exchange 2019 Transport Filtering Agent vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-microsoft-exchange-2019-transport-filtering-agent) - [MX Layer Outbound Email Filtering vs SmarterTools SmarterMail](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-smartertools-smartermail) - [MX Layer Outbound Email Filtering vs SpamTitan Gateway](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-spamtitan-gateway) - [MX Layer Outbound Email Filtering vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mx-layer-outbound-email-filtering) ## Alternatives to each - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) - [See all MX Layer Outbound Email Filtering alternatives](https://cybersectools.com/alternatives/mx-layer-outbound-email-filtering) --- Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-mx-layer-outbound-email-filtering 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 MX Layer Outbound Email Filtering: 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