# ESET Cloud Office Security vs MailChannels Outbound Filtering: side-by-side comparison (2026)

[ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ESET](https://cybersectools.com/companies/eset). [MailChannels Outbound Filtering](https://cybersectools.com/tools/mailchannels-outbound-filtering) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MailChannels](https://cybersectools.com/companies/mailchannels). 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

| | ESET Cloud Office Security | MailChannels Outbound Filtering |
|---|---|---|
| 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 | Mid-Market, Enterprise |
| Company | ESET | MailChannels |
| Headquarters | – | – |

### Use cases and capabilities

| | ESET Cloud Office Security | MailChannels Outbound Filtering |
|---|---|---|
| Cloud Native | Yes | – |
| Microsoft 365 | Yes | – |
| Ransomware Prevention | Yes | – |
| Sandbox | Yes | – |
| Spam Prevention | Yes | Yes |
| SMTP | – | Yes |
| Alerting | – | Yes |
| Multi Tenancy | – | Yes |

### Core features

**ESET Cloud Office Security**

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

**MailChannels Outbound Filtering**

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

### Integrations

**ESET Cloud Office Security**

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

**MailChannels Outbound Filtering**

No integrations listed.

## Which one fits you

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

- [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) fits if you are a small business.

## ESET Cloud Office Security vs MailChannels Outbound Filtering FAQ

Common questions when comparing ESET Cloud Office Security vs MailChannels Outbound Filtering for email security platforms.

### What is the difference between ESET Cloud Office Security and MailChannels Outbound Filtering?

**ESET Cloud Office Security**: Cloud email security for Microsoft 365 and Google Workspace applications, built by ESET.

**MailChannels Outbound Filtering**: Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation, built by MailChannels.

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

### Who makes ESET Cloud Office Security and MailChannels Outbound Filtering?

**ESET Cloud Office Security** is made by ESET. **MailChannels Outbound Filtering** is made by MailChannels. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is ESET Cloud Office Security a good alternative to MailChannels Outbound Filtering?

Often, yes. ESET Cloud Office Security and MailChannels Outbound Filtering 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

- [ESET Cloud Office Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/eset-cloud-office-security-vs-iberlayer-email-guardian)
- [ESET Cloud Office Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-eset-cloud-office-security)
- [ESET Cloud Office Security vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-eset-cloud-office-security)
- [MailChannels Outbound Filtering vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-mailchannels-outbound-filtering)
- [MailChannels Outbound Filtering vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-mailchannels-outbound-filtering)
- [MailChannels Outbound Filtering vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mailchannels-outbound-filtering)

## Alternatives to each

- [See all ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security)
- [See all MailChannels Outbound Filtering alternatives](https://cybersectools.com/alternatives/mailchannels-outbound-filtering)

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Source: https://cybersectools.com/compare/eset-cloud-office-security-vs-mailchannels-outbound-filtering

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

More on ESET Cloud Office Security and MailChannels Outbound Filtering: 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