# ConnectWise Email Security vs ESET Mail Security: side-by-side comparison (2026) [ConnectWise Email Security](https://cybersectools.com/tools/connectwise-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ConnectWise, LLC](https://cybersectools.com/companies/connectwise-llc). [ESET Mail Security](https://cybersectools.com/tools/eset-mail-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ESET](https://cybersectools.com/companies/eset). 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 | | ConnectWise Email Security | ESET Mail Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | ConnectWise, LLC | ESET | | Headquarters | – | – | ### Use cases and capabilities | | ConnectWise Email Security | ESET Mail Security | |---|---|---| | Microsoft 365 | Yes | Yes | | Ransomware Prevention | Yes | Yes | ### Core features **ConnectWise Email Security** 10 features listed. Sign in on the page to see them. **ESET Mail Security** 10 features listed. Sign in on the page to see them. ### Integrations **ConnectWise Email Security** 2 integrations listed. Sign in on the page to see them. **ESET Mail Security** 4 integrations 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. - [ConnectWise Email Security](https://cybersectools.com/tools/connectwise-email-security) fits if you want a cloud product. - [ESET Mail Security](https://cybersectools.com/tools/eset-mail-security) fits if you need to run it on your own servers. ## ConnectWise Email Security vs ESET Mail Security FAQ Common questions when comparing ConnectWise Email Security vs ESET Mail Security for email security platforms. ### What is the difference between ConnectWise Email Security and ESET Mail Security? **ConnectWise Email Security**: Email security platform with AI threat detection, BEC protection, and DLP. Built by ConnectWise, LLC. **ESET Mail Security**: Email security for Microsoft Exchange servers with anti-spam and anti-malware. Built by ESET. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes ConnectWise Email Security and ESET Mail Security? **ConnectWise Email Security** is made by ConnectWise, LLC. **ESET Mail Security** is made by ESET. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is ConnectWise Email Security a good alternative to ESET Mail Security? Often, yes. ConnectWise Email Security and ESET Mail Security are both Email Security Platforms products, and both cover Microsoft 365, Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [ConnectWise Email Security vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-knowbe4-cloud-email-security) - [ConnectWise Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-connectwise-email-security) - [ConnectWise Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/connectwise-email-security-vs-eset-cloud-office-security) - [ESET Mail Security vs KnowBe4 Cloud Email Security](https://cybersectools.com/compare/eset-mail-security-vs-knowbe4-cloud-email-security) - [ESET Mail Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-eset-mail-security) - [ESET Mail Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-mail-security-vs-eset-cloud-office-security) ## Alternatives to each - [See all ConnectWise Email Security alternatives](https://cybersectools.com/alternatives/connectwise-email-security) - [See all ESET Mail Security alternatives](https://cybersectools.com/alternatives/eset-mail-security) --- Source: https://cybersectools.com/compare/connectwise-email-security-vs-eset-mail-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/connectwise-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on ConnectWise Email Security and ESET Mail 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