# Iberlayer Email Guardian vs Rspamd: side-by-side comparison (2026)

[Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Iberlayer](https://cybersectools.com/companies/iberlayer). [Rspamd](https://cybersectools.com/tools/rspamd) is a free [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution. 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

| | Iberlayer Email Guardian | Rspamd |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 2,396 |
| Last commit | – | Mar 2026 |
| Company | Iberlayer | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Iberlayer Email Guardian | Rspamd |
|---|---|---|
| Spam Prevention | Yes | Yes |
| Sandbox | Yes | – |
| Fraud Detection | Yes | – |
| URL Scanning | Yes | – |
| Ransomware Prevention | Yes | – |
| Spoofing | Yes | – |
| Data Exfiltration | Yes | – |
| Alerting | Yes | – |
| Cloud Native | Yes | – |
| UDP | – | Yes |

### Core features

**Iberlayer Email Guardian**

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

**Rspamd**

No features listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian) fits if you want a cloud product.
- [Rspamd](https://cybersectools.com/tools/rspamd) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## Iberlayer Email Guardian vs Rspamd FAQ

Common questions when comparing Iberlayer Email Guardian vs Rspamd for email security platforms.

### What is the difference between Iberlayer Email Guardian and Rspamd?

**Iberlayer Email Guardian**: Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks, built by Iberlayer.

**Rspamd**: Rspamd is an advanced spam filtering system and email processing framework that evaluates messages using multiple analysis methods and integrates with MTAs for high-volume email processing.

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

### Who makes Iberlayer Email Guardian and Rspamd?

**Iberlayer Email Guardian** is made by Iberlayer. **Rspamd** is open-source with 2,396 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Iberlayer Email Guardian a good alternative to Rspamd?

Often, yes. Iberlayer Email Guardian and Rspamd are both Email Security Platforms products, and both cover Spam Prevention. Key differences: Iberlayer Email Guardian is Commercial while Rspamd is Free, Rspamd is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Iberlayer Email Guardian vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-iberlayer-email-guardian)
- [Iberlayer Email Guardian vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-iberlayer-email-guardian)
- [Iberlayer Email Guardian vs NoSpamProxy Protection](https://cybersectools.com/compare/iberlayer-email-guardian-vs-nospamproxy-protection)
- [Rspamd vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-rspamd)
- [Rspamd vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-rspamd)
- [Rspamd vs NoSpamProxy Protection](https://cybersectools.com/compare/nospamproxy-protection-vs-rspamd)

## Alternatives to each

- [See all Iberlayer Email Guardian alternatives](https://cybersectools.com/alternatives/iberlayer-email-guardian)
- [See all Rspamd alternatives](https://cybersectools.com/alternatives/rspamd)

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Source: https://cybersectools.com/compare/iberlayer-email-guardian-vs-rspamd

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

More on Iberlayer Email Guardian and Rspamd: 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