# Microsoft Exchange 2019 Transport Filtering Agent vs NoSpamProxy Protection: 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. [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [NoSpamProxy](https://cybersectools.com/companies/nospamproxy). 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 | NoSpamProxy Protection | |---|---|---| | Pricing model | Free | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | On-Premises | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | 20 | – | | Last commit | Aug 2021 | – | | Company | – | NoSpamProxy | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Exchange 2019 Transport Filtering Agent | NoSpamProxy Protection | |---|---|---| | Regex | Yes | – | | Spam Prevention | – | Yes | | Ransomware Prevention | – | Yes | | GDPR | – | Yes | | Microsoft 365 | – | Yes | | Anomaly Detection | – | Yes | | URL Scanning | – | Yes | | Threat Analysis | – | Yes | | Fraud Detection | – | Yes | ### Core features **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. **NoSpamProxy Protection** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Exchange 2019 Transport Filtering Agent** No integrations listed. **NoSpamProxy Protection** 1 integration 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. - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection) fits if you need both cloud and on-premises options. ## Microsoft Exchange 2019 Transport Filtering Agent vs NoSpamProxy Protection FAQ Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs NoSpamProxy Protection for email security platforms. ### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and NoSpamProxy Protection? **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. **NoSpamProxy Protection**: Email gateway that blocks spam, phishing and malware before inbox delivery, made. Built by NoSpamProxy. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Microsoft Exchange 2019 Transport Filtering Agent and NoSpamProxy Protection? **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **NoSpamProxy Protection** is made by NoSpamProxy. 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 NoSpamProxy Protection? Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and NoSpamProxy Protection are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while NoSpamProxy Protection 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 Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-microsoft-exchange-2019-transport-filtering-agent) - [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 Ocean Agentic Email Security Platform](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-ocean-agentic-email-security-platform) - [NoSpamProxy Protection vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-nospamproxy-protection) - [NoSpamProxy Protection vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-nospamproxy-protection) - [NoSpamProxy Protection vs Ocean Agentic Email Security Platform](https://cybersectools.com/compare/nospamproxy-protection-vs-ocean-agentic-email-security-platform) ## Alternatives to each - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) - [See all NoSpamProxy Protection alternatives](https://cybersectools.com/alternatives/nospamproxy-protection) --- Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-nospamproxy-protection 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 NoSpamProxy Protection: 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