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

[MailGuard](https://cybersectools.com/tools/mailguard) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MailGuard](https://cybersectools.com/companies/mailguard). [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

| | MailGuard | 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 | MailGuard | ThreatDown by Malwarebytes |
| Headquarters | – | – |

### Use cases and capabilities

| | MailGuard | ThreatDown Email Security |
|---|---|---|
| Spam Prevention | Yes | – |
| Ransomware Prevention | Yes | – |
| SPF | Yes | – |
| DKIM | Yes | – |

### Core features

**MailGuard**

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

**MailGuard**

3 integrations listed. Sign in on the page to see them.

**ThreatDown Email Security**

No integrations listed.

## MailGuard vs ThreatDown Email Security FAQ

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

### What is the difference between MailGuard and ThreatDown Email Security?

**MailGuard**: Cloud-based managed email filtering against phishing, ransomware & BEC, built by MailGuard.

**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 MailGuard and ThreatDown Email Security?

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

Often, yes. MailGuard 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

- [MailGuard vs SmarterTools SmarterMail](https://cybersectools.com/compare/mailguard-vs-smartertools-smartermail)
- [MailGuard vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mailguard-vs-mx-layer-outbound-email-filtering)
- [MailGuard vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/mailguard-vs-spamexperts-incoming-email-filtering)
- [ThreatDown Email Security vs SmarterTools SmarterMail](https://cybersectools.com/compare/smartertools-smartermail-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 SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/spamexperts-incoming-email-filtering-vs-threatdown-email-security)

## Alternatives to each

- [See all MailGuard alternatives](https://cybersectools.com/alternatives/mailguard)
- [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security)

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Source: https://cybersectools.com/compare/mailguard-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/mailguard.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on MailGuard 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