# Mesh 365 vs Microsoft Exchange 2019 Transport Filtering Agent: side-by-side comparison (2026) [Mesh 365](https://cybersectools.com/tools/mesh-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Mesh by BitDefender](https://cybersectools.com/companies/mesh-by-bitdefender). [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 | | Mesh 365 | 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 | Mesh by BitDefender | – | | Headquarters | – | – | ### Use cases and capabilities | | Mesh 365 | Microsoft Exchange 2019 Transport Filtering Agent | |---|---|---| | Microsoft 365 | Yes | – | | Ransomware Prevention | Yes | – | | Multi Tenancy | Yes | – | | Regex | – | Yes | ### Core features **Mesh 365** 10 features listed. Sign in on the page to see them. **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. ### Integrations **Mesh 365** 3 integrations 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. - [Mesh 365](https://cybersectools.com/tools/mesh-365) 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. ## Mesh 365 vs Microsoft Exchange 2019 Transport Filtering Agent FAQ Common questions when comparing Mesh 365 vs Microsoft Exchange 2019 Transport Filtering Agent for email security platforms. ### What is the difference between Mesh 365 and Microsoft Exchange 2019 Transport Filtering Agent? **Mesh 365**: API-based email security platform for Microsoft 365 environments. Built by Mesh by BitDefender. **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 Mesh 365 and Microsoft Exchange 2019 Transport Filtering Agent? **Mesh 365** is made by Mesh by BitDefender. **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 Mesh 365 a good alternative to Microsoft Exchange 2019 Transport Filtering Agent? Often, yes. Mesh 365 and Microsoft Exchange 2019 Transport Filtering Agent are both Email Security Platforms products. Key differences: Mesh 365 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 - [Mesh 365 vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) - [Mesh 365 vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-mesh-365) - [Mesh 365 vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-mesh-365) - [Microsoft Exchange 2019 Transport Filtering Agent vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-microsoft-exchange-2019-transport-filtering-agent) ## Alternatives to each - [See all Mesh 365 alternatives](https://cybersectools.com/alternatives/mesh-365) - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) --- Source: https://cybersectools.com/compare/mesh-365-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/mesh-365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Mesh 365 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