# Cloudmark Authority vs Red Sift OnDMARC: side-by-side comparison (2026)

[Cloudmark Authority](https://cybersectools.com/tools/cloudmark-authority) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Cloudmark](https://cybersectools.com/companies/cloudmark). [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Red Sift](https://cybersectools.com/companies/red-sift). 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

| | Cloudmark Authority | Red Sift OnDMARC |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Enterprise | SMB, Mid-Market, Enterprise |
| Company | Cloudmark | Red Sift |
| Headquarters | – | – |

### Use cases and capabilities

| | Cloudmark Authority | Red Sift OnDMARC |
|---|---|---|
| Spam Prevention | Yes | – |
| DKIM | – | Yes |
| DMARC | – | Yes |
| SPF | – | Yes |
| TLS | – | Yes |

### Core features

**Cloudmark Authority**

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

**Red Sift OnDMARC**

10 features 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.

- [Cloudmark Authority](https://cybersectools.com/tools/cloudmark-authority) fits if you need to run it on your own servers.
- [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) fits if you want a cloud product and you are a small business or a mid-market company.

## Cloudmark Authority vs Red Sift OnDMARC FAQ

Common questions when comparing Cloudmark Authority vs Red Sift OnDMARC for email security platforms.

### What is the difference between Cloudmark Authority and Red Sift OnDMARC?

**Cloudmark Authority**: Carrier-grade email security for ISPs blocking spam, phishing, and malware. Built by Cloudmark.

**Red Sift OnDMARC**: Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols. Built by Red Sift.

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

### Who makes Cloudmark Authority and Red Sift OnDMARC?

**Cloudmark Authority** is made by Cloudmark. **Red Sift OnDMARC** is made by Red Sift. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Cloudmark Authority a good alternative to Red Sift OnDMARC?

Often, yes. Cloudmark Authority and Red Sift OnDMARC are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cloudmark Authority vs SmarterTools SmarterMail](https://cybersectools.com/compare/cloudmark-authority-vs-smartertools-smartermail)
- [Cloudmark Authority vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/cloudmark-authority-vs-mx-layer-outbound-email-filtering)
- [Cloudmark Authority vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/cloudmark-authority-vs-powerdmarc-hosted-dmarc)
- [Red Sift OnDMARC vs SmarterTools SmarterMail](https://cybersectools.com/compare/red-sift-ondmarc-vs-smartertools-smartermail)
- [Red Sift OnDMARC vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-red-sift-ondmarc)
- [Red Sift OnDMARC vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/powerdmarc-hosted-dmarc-vs-red-sift-ondmarc)

## Alternatives to each

- [See all Cloudmark Authority alternatives](https://cybersectools.com/alternatives/cloudmark-authority)
- [See all Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc)

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Source: https://cybersectools.com/compare/cloudmark-authority-vs-red-sift-ondmarc

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

More on Cloudmark Authority and Red Sift OnDMARC: 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