# Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan for Office 365: 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. [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). 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 | SpamTitan for Office 365 | |---|---|---| | 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 | – | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Exchange 2019 Transport Filtering Agent | SpamTitan for Office 365 | |---|---|---| | Regex | Yes | – | | Spam Prevention | – | Yes | | Microsoft 365 | – | Yes | | Zero Day | – | Yes | | Content Filtering | – | Yes | | Multi Tenancy | – | Yes | ### Core features **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. **SpamTitan for Office 365** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Exchange 2019 Transport Filtering Agent** No integrations listed. **SpamTitan for Office 365** 3 integrations 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. - [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) fits if you need both cloud and on-premises options. ## Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan for Office 365 FAQ Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan for Office 365 for email security platforms. ### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and SpamTitan for Office 365? **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. **SpamTitan for Office 365**: Email security layer for M365 with anti-phishing, sandboxing, and DLP. Built by SpamTitan (TitanHQ). The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Microsoft Exchange 2019 Transport Filtering Agent and SpamTitan for Office 365? **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **SpamTitan for Office 365** is made by SpamTitan (TitanHQ). 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 SpamTitan for Office 365? Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and SpamTitan for Office 365 are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while SpamTitan for Office 365 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 ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-spamtitan) - [Microsoft Exchange 2019 Transport Filtering Agent vs Hornetsecurity](https://cybersectools.com/compare/hornetsecurity-vs-microsoft-exchange-2019-transport-filtering-agent) - [SpamTitan for Office 365 vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-spamtitan-for-office-365) - [SpamTitan for Office 365 vs SpamTitan](https://cybersectools.com/compare/spamtitan-vs-spamtitan-for-office-365) - [SpamTitan for Office 365 vs Hornetsecurity](https://cybersectools.com/compare/hornetsecurity-vs-spamtitan-for-office-365) ## Alternatives to each - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) - [See all SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) --- Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-spamtitan-for-office-365 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 SpamTitan for Office 365: 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