# Microsoft Exchange 2019 Transport Filtering Agent vs Red Sift OnDMARC: 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. [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Red Sift](https://cybersectools.com/companies/red-sift). 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 | Red Sift OnDMARC |
|---|---|---|
| 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 | SMB, Mid-Market, Enterprise |
| GitHub stars | 20 | – |
| Last commit | Aug 2021 | – |
| Company | – | Red Sift |
| Headquarters | – | – |

### Use cases and capabilities

| | Microsoft Exchange 2019 Transport Filtering Agent | Red Sift OnDMARC |
|---|---|---|
| Regex | Yes | – |
| DKIM | – | Yes |
| DMARC | – | Yes |
| SPF | – | Yes |
| TLS | – | Yes |

### Core features

**Microsoft Exchange 2019 Transport Filtering Agent**

No features listed.

**Red Sift OnDMARC**

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.
- [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) fits if you want a cloud product.

## Microsoft Exchange 2019 Transport Filtering Agent vs Red Sift OnDMARC FAQ

Common questions when comparing Microsoft Exchange 2019 Transport Filtering Agent vs Red Sift OnDMARC for email security platforms.

### What is the difference between Microsoft Exchange 2019 Transport Filtering Agent and Red Sift OnDMARC?

**Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries.

**Red Sift OnDMARC**: Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols. Built by Red Sift.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Microsoft Exchange 2019 Transport Filtering Agent and Red Sift OnDMARC?

**Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. **Red Sift OnDMARC** is made by Red Sift. 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 Red Sift OnDMARC?

Often, yes. Microsoft Exchange 2019 Transport Filtering Agent and Red Sift OnDMARC are both Email Security Platforms products. Key differences: Microsoft Exchange 2019 Transport Filtering Agent is Free while Red Sift OnDMARC 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 INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-microsoft-exchange-2019-transport-filtering-agent)
- [Microsoft Exchange 2019 Transport Filtering Agent vs SmarterTools SmarterMail](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-smartertools-smartermail)
- [Microsoft Exchange 2019 Transport Filtering Agent vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-microsoft-exchange-2019-transport-filtering-agent)
- [Red Sift OnDMARC vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-red-sift-ondmarc)
- [Red Sift OnDMARC vs SmarterTools SmarterMail](https://cybersectools.com/compare/red-sift-ondmarc-vs-smartertools-smartermail)
- [Red Sift OnDMARC vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-red-sift-ondmarc)

## Alternatives to each

- [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent)
- [See all Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc)

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Source: https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-red-sift-ondmarc

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