# Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Email Security: 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 Email Security](https://cybersectools.com/tools/mx-layer-email-security) 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 Email Security | |---|---|---| | 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 Email Security | |---|---|---| | Regex | Yes | – | | Ransomware Prevention | – | Yes | | Spam Prevention | – | Yes | ### Core features **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. **MX Layer Email Security** 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 Email Security](https://cybersectools.com/tools/mx-layer-email-security) fits if you want a cloud product and you are a startup. ## Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Email Security FAQ Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Email Security for email security platforms. ### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and MX Layer Email Security? **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 Email Security**: Cloud-based email security platform with AI-powered threat detection. 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 Email Security? **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **MX Layer Email Security** 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 Email Security? Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and MX Layer Email Security are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while MX Layer Email Security 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 ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-spamexperts-incoming-email-filtering) - [MX Layer Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-mx-layer-email-security) - [MX Layer Email Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-mx-layer-email-security) - [MX Layer Email Security vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/mx-layer-email-security-vs-spamexperts-incoming-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 Email Security alternatives](https://cybersectools.com/alternatives/mx-layer-email-security) --- Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-mx-layer-email-security 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 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