# Cloudflare Cloud Email Security vs Sublime Platform: side-by-side comparison (2026) [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Cloudflare, Inc](https://cybersectools.com/companies/cloudflare-inc). [Sublime Platform](https://cybersectools.com/tools/sublime-platform) is a free [detection engineering](https://cybersectools.com/categories/detection-engineering) 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 | | Cloudflare Cloud Email Security | Sublime Platform | |---|---|---| | Pricing model | Commercial | Free | | Category | Email Security Platforms | Detection Engineering | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 250 | | Last commit | – | Mar 2026 | | Company | Cloudflare, Inc. | – | | Headquarters | – | – | ### Use cases and capabilities | | Cloudflare Cloud Email Security | Sublime Platform | |---|---|---| | Cloud Native | Yes | – | | Spam Prevention | Yes | – | | Open Source | – | Yes | ### Core features **Cloudflare Cloud Email Security** 9 features listed. Sign in on the page to see them. **Sublime Platform** No features listed. ### Integrations **Cloudflare Cloud Email Security** 4 integrations listed. Sign in on the page to see them. **Sublime Platform** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-security) fits if you want a cloud product. - [Sublime Platform](https://cybersectools.com/tools/sublime-platform) fits if you need both cloud and on-premises options, you are a startup, you need a free product and you want an open-source product. ## Cloudflare Cloud Email Security vs Sublime Platform FAQ Common questions when comparing Cloudflare Cloud Email Security vs Sublime Platform for email security platforms. ### What is the difference between Cloudflare Cloud Email Security and Sublime Platform? **Cloudflare Cloud Email Security**: Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities. Built by Cloudflare, Inc. **Sublime Platform**: A free and open platform for detecting and preventing email attacks like BEC, malware, and credential phishing, utilizing Message Query Language (MQL) for behavior description. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Cloudflare Cloud Email Security and Sublime Platform? **Cloudflare Cloud Email Security** is made by Cloudflare, Inc. **Sublime Platform** is open-source with 250 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Cloudflare Cloud Email Security a good alternative to Sublime Platform? In part. Cloudflare Cloud Email Security and Sublime Platform are not in the same category on CybersecTools. Key differences: Cloudflare Cloud Email Security is Commercial while Sublime Platform is Free, Sublime Platform is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Cloudflare Cloud Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-eset-cloud-office-security) - [Cloudflare Cloud Email Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-cybersentriq-mx-email-threat-protection) - [Cloudflare Cloud Email Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-iberlayer-email-guardian) - [Sublime Platform vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-sublime-platform) - [Sublime Platform vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-sublime-platform) - [Sublime Platform vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-sublime-platform) ## Alternatives to each - [See all Cloudflare Cloud Email Security alternatives](https://cybersectools.com/alternatives/cloudflare-cloud-email-security) - [See all Sublime Platform alternatives](https://cybersectools.com/alternatives/sublime-platform) --- Source: https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-sublime-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cloudflare-cloud-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Cloudflare Cloud Email Security and Sublime Platform: 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