# MailGuard vs MDaemon Technologies SecurityGateway: 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). [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MDaemon Technologies](https://cybersectools.com/companies/mdaemon-technologies-ltd). 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 | MDaemon Technologies SecurityGateway |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | MailGuard | MDaemon Technologies |
| Headquarters | – | – |

### Use cases and capabilities

| | MailGuard | MDaemon Technologies SecurityGateway |
|---|---|---|
| Spam Prevention | Yes | Yes |
| Ransomware Prevention | Yes | – |
| SPF | Yes | – |
| DKIM | Yes | – |

### Core features

**MailGuard**

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

**MDaemon Technologies SecurityGateway**

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

### Integrations

**MailGuard**

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

**MDaemon Technologies SecurityGateway**

2 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.

- [MailGuard](https://cybersectools.com/tools/mailguard) fits if you want a cloud product.
- [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway) fits if you need both cloud and on-premises options and you are a startup.

## MailGuard vs MDaemon Technologies SecurityGateway FAQ

Common questions when comparing MailGuard vs MDaemon Technologies SecurityGateway for email security platforms.

### What is the difference between MailGuard and MDaemon Technologies SecurityGateway?

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

**MDaemon Technologies SecurityGateway**: Email security gateway protecting against spam, phishing, viruses & data leaks. Built by MDaemon Technologies.

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

### Who makes MailGuard and MDaemon Technologies SecurityGateway?

**MailGuard** is made by MailGuard. **MDaemon Technologies SecurityGateway** is made by MDaemon Technologies. 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 MDaemon Technologies SecurityGateway?

Often, yes. MailGuard and MDaemon Technologies SecurityGateway 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

- [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 PowerDMARC Hosted DMARC](https://cybersectools.com/compare/mailguard-vs-powerdmarc-hosted-dmarc)
- [MDaemon Technologies SecurityGateway vs SmarterTools SmarterMail](https://cybersectools.com/compare/mdaemon-technologies-securitygateway-vs-smartertools-smartermail)
- [MDaemon Technologies SecurityGateway vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mdaemon-technologies-securitygateway-vs-mx-layer-outbound-email-filtering)
- [MDaemon Technologies SecurityGateway vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/mdaemon-technologies-securitygateway-vs-powerdmarc-hosted-dmarc)

## Alternatives to each

- [See all MailGuard alternatives](https://cybersectools.com/alternatives/mailguard)
- [See all MDaemon Technologies SecurityGateway alternatives](https://cybersectools.com/alternatives/mdaemon-technologies-securitygateway)

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Source: https://cybersectools.com/compare/mailguard-vs-mdaemon-technologies-securitygateway

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 MDaemon Technologies SecurityGateway: 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