# KnowBe4 Cloud Email Security vs NoSpamProxy Protection: side-by-side comparison (2026) [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [NoSpamProxy](https://cybersectools.com/companies/nospamproxy). 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 | | KnowBe4 Cloud Email Security | NoSpamProxy Protection | |---|---|---| | 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 | SMB, Mid-Market, Enterprise | | Company | KnowBe4 | NoSpamProxy | | Headquarters | – | – | ### Use cases and capabilities | | KnowBe4 Cloud Email Security | NoSpamProxy Protection | |---|---|---| | Microsoft 365 | Yes | Yes | | Ransomware Prevention | Yes | Yes | | Spam Prevention | – | Yes | | GDPR | – | Yes | | Anomaly Detection | – | Yes | | URL Scanning | – | Yes | | Threat Analysis | – | Yes | | Fraud Detection | – | Yes | ### Core features **KnowBe4 Cloud Email Security** 10 features listed. Sign in on the page to see them. **NoSpamProxy Protection** 10 features listed. Sign in on the page to see them. ### Integrations **KnowBe4 Cloud Email Security** 5 integrations listed. Sign in on the page to see them. **NoSpamProxy Protection** 1 integration 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. - [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security) fits if you want a cloud product. - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection) fits if you need both cloud and on-premises options. ## KnowBe4 Cloud Email Security vs NoSpamProxy Protection FAQ Common questions when comparing KnowBe4 Cloud Email Security vs NoSpamProxy Protection for email security platforms. ### What is the difference between KnowBe4 Cloud Email Security and NoSpamProxy Protection? **KnowBe4 Cloud Email Security**: AI-driven email security platform for Microsoft 365 inbound/outbound threats, built by KnowBe4. **NoSpamProxy Protection**: Email gateway that blocks spam, phishing and malware before inbox delivery, made, built by NoSpamProxy. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes KnowBe4 Cloud Email Security and NoSpamProxy Protection? **KnowBe4 Cloud Email Security** is made by KnowBe4. **NoSpamProxy Protection** is made by NoSpamProxy. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is KnowBe4 Cloud Email Security a good alternative to NoSpamProxy Protection? Often, yes. KnowBe4 Cloud Email Security and NoSpamProxy Protection are both Email Security Platforms products, and both cover Ransomware Prevention, Microsoft 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [KnowBe4 Cloud Email Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs Ocean Agentic Email Security Platform](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-ocean-agentic-email-security-platform) - [NoSpamProxy Protection vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-nospamproxy-protection) - [NoSpamProxy Protection vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-nospamproxy-protection) - [NoSpamProxy Protection vs Ocean Agentic Email Security Platform](https://cybersectools.com/compare/nospamproxy-protection-vs-ocean-agentic-email-security-platform) ## Alternatives to each - [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) - [See all NoSpamProxy Protection alternatives](https://cybersectools.com/alternatives/nospamproxy-protection) --- Source: https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-nospamproxy-protection For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/knowbe4-cloud-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on KnowBe4 Cloud Email Security and NoSpamProxy Protection: 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