# Infonaligy Proofpoint Email Security vs ThreatDown Email Security: side-by-side comparison (2026)

[Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Infonaligy](https://cybersectools.com/companies/infonaligy). [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

| | Infonaligy Proofpoint Email Security | 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 | Infonaligy | ThreatDown by Malwarebytes |
| Headquarters | – | – |

### Use cases and capabilities

| | Infonaligy Proofpoint Email Security | ThreatDown Email Security |
|---|---|---|
| DMARC | Yes | – |
| DKIM | Yes | – |
| SPF | Yes | – |

### Core features

**Infonaligy Proofpoint Email Security**

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.

### Integrations

**Infonaligy Proofpoint Email Security**

1 integration listed. Sign in on the page to see them.

**ThreatDown Email Security**

No integrations listed.

## Infonaligy Proofpoint Email Security vs ThreatDown Email Security FAQ

Common questions when comparing Infonaligy Proofpoint Email Security vs ThreatDown Email Security for email security platforms.

### What is the difference between Infonaligy Proofpoint Email Security and ThreatDown Email Security?

**Infonaligy Proofpoint Email Security**: Managed Proofpoint email security service for phishing & BEC protection, built by Infonaligy.

**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 Infonaligy Proofpoint Email Security and ThreatDown Email Security?

**Infonaligy Proofpoint Email Security** is made by Infonaligy. **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 Infonaligy Proofpoint Email Security a good alternative to ThreatDown Email Security?

Often, yes. Infonaligy Proofpoint Email Security 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

- [Infonaligy Proofpoint Email Security vs Red Sift OnDMARC](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-red-sift-ondmarc)
- [Infonaligy Proofpoint Email Security vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mx-layer-outbound-email-filtering)
- [Infonaligy Proofpoint Email Security vs INKY DMARC Monitoring](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-inky-dmarc-monitoring)
- [ThreatDown Email Security vs Red Sift OnDMARC](https://cybersectools.com/compare/red-sift-ondmarc-vs-threatdown-email-security)
- [ThreatDown Email Security vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-threatdown-email-security)
- [ThreatDown Email Security vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-threatdown-email-security)

## Alternatives to each

- [See all Infonaligy Proofpoint Email Security alternatives](https://cybersectools.com/alternatives/infonaligy-proofpoint-email-security)
- [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security)

---

Source: https://cybersectools.com/compare/infonaligy-proofpoint-email-security-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/infonaligy-proofpoint-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Infonaligy Proofpoint Email Security 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