# INKY Graymail Protection vs KnowBe4 Cloud Email Security: side-by-side comparison (2026) [INKY Graymail Protection](https://cybersectools.com/tools/inky-graymail-protection) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [INKY Technology Corporation](https://cybersectools.com/companies/inky-technology-corporation). [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). 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 | | INKY Graymail Protection | KnowBe4 Cloud Email Security | |---|---|---| | 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 | SMB, Mid-Market, Enterprise | | Company | INKY Technology Corporation | KnowBe4 | | Headquarters | – | – | ### Use cases and capabilities | | INKY Graymail Protection | KnowBe4 Cloud Email Security | |---|---|---| | Microsoft 365 | Yes | Yes | | Multi Tenancy | Yes | – | | Ransomware Prevention | – | Yes | ### Core features **INKY Graymail Protection** 5 features listed. Sign in on the page to see them. **KnowBe4 Cloud Email Security** 10 features listed. Sign in on the page to see them. ### Integrations **INKY Graymail Protection** 3 integrations listed. Sign in on the page to see them. **KnowBe4 Cloud Email Security** 5 integrations listed. Sign in on the page to see them. ## INKY Graymail Protection vs KnowBe4 Cloud Email Security FAQ Common questions when comparing INKY Graymail Protection vs KnowBe4 Cloud Email Security for email security platforms. ### What is the difference between INKY Graymail Protection and KnowBe4 Cloud Email Security? **INKY Graymail Protection**: Filters bulk and graymail to reduce email distractions and boost productivity. Built by INKY Technology Corporation. **KnowBe4 Cloud Email Security**: AI-driven email security platform for Microsoft 365 inbound/outbound threats. Built by KnowBe4. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes INKY Graymail Protection and KnowBe4 Cloud Email Security? **INKY Graymail Protection** is made by INKY Technology Corporation. **KnowBe4 Cloud Email Security** is made by KnowBe4. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is INKY Graymail Protection a good alternative to KnowBe4 Cloud Email Security? Often, yes. INKY Graymail Protection and KnowBe4 Cloud Email Security are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [INKY Graymail Protection vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-inky-graymail-protection) - [INKY Graymail Protection vs Mesh 365](https://cybersectools.com/compare/inky-graymail-protection-vs-mesh-365) - [INKY Graymail Protection vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-inky-graymail-protection) - [KnowBe4 Cloud Email Security vs Bitdefender GravityZone Extended Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs Mesh 365](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-mesh-365) - [KnowBe4 Cloud Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-knowbe4-cloud-email-security) ## Alternatives to each - [See all INKY Graymail Protection alternatives](https://cybersectools.com/alternatives/inky-graymail-protection) - [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) --- Source: https://cybersectools.com/compare/inky-graymail-protection-vs-knowbe4-cloud-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/inky-graymail-protection.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on INKY Graymail Protection and KnowBe4 Cloud Email Security: 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