# Red Sift OnDMARC vs ThreatDown Email Security: side-by-side comparison (2026)

[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). [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). 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

| | Red Sift OnDMARC | ThreatDown Email Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Red Sift | ThreatDown by Malwarebytes |
| Headquarters | – | – |

### Use cases and capabilities

| | Red Sift OnDMARC | ThreatDown Email Security |
|---|---|---|
| DKIM | Yes | – |
| DMARC | Yes | – |
| SPF | Yes | – |
| TLS | Yes | – |

### Core features

**Red Sift OnDMARC**

10 features listed. Sign in on the page to see them.

**ThreatDown Email Security**

8 features listed. Sign in on the page to see them.

## Red Sift OnDMARC vs ThreatDown Email Security FAQ

Common questions when comparing Red Sift OnDMARC vs ThreatDown Email Security for email security platforms.

### What is the difference between Red Sift OnDMARC and ThreatDown Email Security?

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

**ThreatDown Email Security**: AI-powered email security platform for phishing and BEC protection, built by ThreatDown by Malwarebytes.

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

### Who makes Red Sift OnDMARC and ThreatDown Email Security?

**Red Sift OnDMARC** is made by Red Sift. **ThreatDown Email Security** is made by ThreatDown by Malwarebytes. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Red Sift OnDMARC a good alternative to ThreatDown Email Security?

Often, yes. Red Sift OnDMARC and ThreatDown Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [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)
- [ThreatDown Email Security vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-threatdown-email-security)
- [ThreatDown Email Security vs SmarterTools SmarterMail](https://cybersectools.com/compare/smartertools-smartermail-vs-threatdown-email-security)
- [ThreatDown Email Security vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-threatdown-email-security)

## Alternatives to each

- [See all Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc)
- [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security)

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Source: https://cybersectools.com/compare/red-sift-ondmarc-vs-threatdown-email-security

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/red-sift-ondmarc.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Red Sift OnDMARC and ThreatDown Email Security: 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