# Hornetsecurity vs SmarterTools SmarterMail: side-by-side comparison (2026)

[Hornetsecurity](https://cybersectools.com/tools/hornetsecurity) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Hornetsecurity](https://cybersectools.com/companies/hornetsecurity). [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SmarterTools](https://cybersectools.com/companies/smartertools). 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

| | Hornetsecurity | SmarterTools SmarterMail |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Hornetsecurity | SmarterTools |
| Headquarters | – | – |

### Use cases and capabilities

| | Hornetsecurity | SmarterTools SmarterMail |
|---|---|---|
| Microsoft 365 | Yes | – |
| Office 365 | Yes | – |
| Microsoft | Yes | – |
| Spam Prevention | Yes | Yes |
| Multi Tenancy | Yes | – |
| Linux | – | Yes |
| Windows | – | Yes |
| DKIM | – | Yes |
| SPF | – | Yes |
| DMARC | – | Yes |

### Core features

**Hornetsecurity**

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

**SmarterTools SmarterMail**

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

### Integrations

**Hornetsecurity**

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

**SmarterTools SmarterMail**

6 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.

- [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity) fits if you want a cloud product.
- [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) fits if you need to run it on your own servers and you are a startup.

## Hornetsecurity vs SmarterTools SmarterMail FAQ

Common questions when comparing Hornetsecurity vs SmarterTools SmarterMail for email security platforms.

### What is the difference between Hornetsecurity and SmarterTools SmarterMail?

**Hornetsecurity**: Cloud security platform for M365 covering email, backup, and awareness. Built by Hornetsecurity.

**SmarterTools SmarterMail**: Email server with antispam, antivirus, and security features for Linux/Windows. Built by SmarterTools.

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

### Who makes Hornetsecurity and SmarterTools SmarterMail?

**Hornetsecurity** is made by Hornetsecurity. **SmarterTools SmarterMail** is made by SmarterTools. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Hornetsecurity a good alternative to SmarterTools SmarterMail?

Often, yes. Hornetsecurity and SmarterTools SmarterMail are both Email Security Platforms products, and both cover Spam Prevention. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Hornetsecurity vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/hornetsecurity-vs-sendmarc-dmarc-managed-services)
- [Hornetsecurity vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/hornetsecurity-vs-mx-layer-outbound-email-filtering)
- [Hornetsecurity vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/hornetsecurity-vs-sendmarc-dmarc-management-platform)
- [SmarterTools SmarterMail vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-smartertools-smartermail)
- [SmarterTools SmarterMail vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-smartertools-smartermail)
- [SmarterTools SmarterMail vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/sendmarc-dmarc-management-platform-vs-smartertools-smartermail)

## Alternatives to each

- [See all Hornetsecurity alternatives](https://cybersectools.com/alternatives/hornetsecurity)
- [See all SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail)

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Source: https://cybersectools.com/compare/hornetsecurity-vs-smartertools-smartermail

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

More on Hornetsecurity and SmarterTools SmarterMail: 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