# Infonaligy Proofpoint Email Security vs Microsoft Exchange 2019 Transport Filtering Agent: side-by-side comparison (2026) [Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Infonaligy](https://cybersectools.com/companies/infonaligy). [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. 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 | | Infonaligy Proofpoint Email Security | Microsoft Exchange 2019 Transport Filtering Agent | |---|---|---| | Pricing model | Commercial | Free | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | – | 20 | | Last commit | – | Aug 2021 | | Company | Infonaligy | – | | Headquarters | – | – | ### Use cases and capabilities | | Infonaligy Proofpoint Email Security | Microsoft Exchange 2019 Transport Filtering Agent | |---|---|---| | DMARC | Yes | – | | DKIM | Yes | – | | SPF | Yes | – | | Regex | – | Yes | ### Core features **Infonaligy Proofpoint Email Security** 10 features listed. Sign in on the page to see them. **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. ### Integrations **Infonaligy Proofpoint Email Security** 1 integration listed. Sign in on the page to see them. **Microsoft Exchange 2019 Transport Filtering Agent** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security) fits if you want a cloud product. - [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. ## Infonaligy Proofpoint Email Security vs Microsoft Exchange 2019 Transport Filtering Agent FAQ Common questions when comparing Infonaligy Proofpoint Email Security vs Microsoft Exchange 2019 Transport Filtering Agent for email security platforms. ### What is the difference between Infonaligy Proofpoint Email Security and Microsoft Exchange 2019 Transport Filtering Agent? **Infonaligy Proofpoint Email Security**: Managed Proofpoint email security service for phishing & BEC protection. Built by Infonaligy. **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Infonaligy Proofpoint Email Security and Microsoft Exchange 2019 Transport Filtering Agent? **Infonaligy Proofpoint Email Security** is made by Infonaligy. **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Infonaligy Proofpoint Email Security a good alternative to Microsoft Exchange 2019 Transport Filtering Agent? Often, yes. Infonaligy Proofpoint Email Security and Microsoft Exchange 2019 Transport Filtering Agent are both Email Security Platforms products. Key differences: Infonaligy Proofpoint Email Security is Commercial while Microsoft Exchange 2019 Transport Filtering Agent is Free, 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 - [Infonaligy Proofpoint Email Security vs Red Sift OnDMARC](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-red-sift-ondmarc) - [Infonaligy Proofpoint Email Security vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mx-layer-outbound-email-filtering) - [Infonaligy Proofpoint Email Security vs INKY DMARC Monitoring](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-inky-dmarc-monitoring) - [Microsoft Exchange 2019 Transport Filtering Agent vs Red Sift OnDMARC](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-red-sift-ondmarc) - [Microsoft Exchange 2019 Transport Filtering Agent vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-mx-layer-outbound-email-filtering) - [Microsoft Exchange 2019 Transport Filtering Agent vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-microsoft-exchange-2019-transport-filtering-agent) ## Alternatives to each - [See all Infonaligy Proofpoint Email Security alternatives](https://cybersectools.com/alternatives/infonaligy-proofpoint-email-security) - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) --- Source: https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-microsoft-exchange-2019-transport-filtering-agent 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/infonaligy-proofpoint-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Infonaligy Proofpoint Email Security and Microsoft Exchange 2019 Transport Filtering Agent: 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