# SmarterTools SmarterMail vs ThreatDown Email Security: side-by-side comparison (2026) [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SmarterTools](https://cybersectools.com/companies/smartertools). [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). 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 | | SmarterTools SmarterMail | ThreatDown Email Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | SmarterTools | ThreatDown by Malwarebytes | | Headquarters | – | – | ### Use cases and capabilities | | SmarterTools SmarterMail | ThreatDown Email Security | |---|---|---| | Spam Prevention | Yes | – | | Linux | Yes | – | | Windows | Yes | – | | DKIM | Yes | – | | SPF | Yes | – | | DMARC | Yes | – | ### Core features **SmarterTools SmarterMail** 10 features listed. Sign in on the page to see them. **ThreatDown Email Security** 8 features listed. Sign in on the page to see them. ### Integrations **SmarterTools SmarterMail** 6 integrations listed. Sign in on the page to see them. **ThreatDown Email Security** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) fits if you need to run it on your own servers and you are a startup. - [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) fits if you want a cloud product. ## SmarterTools SmarterMail vs ThreatDown Email Security FAQ Common questions when comparing SmarterTools SmarterMail vs ThreatDown Email Security for email security platforms. ### What is the difference between SmarterTools SmarterMail and ThreatDown Email Security? **SmarterTools SmarterMail**: Email server with antispam, antivirus, and security features for Linux/Windows, built by SmarterTools. **ThreatDown Email Security**: AI-powered email security platform for phishing and BEC protection, built by ThreatDown by Malwarebytes. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes SmarterTools SmarterMail and ThreatDown Email Security? **SmarterTools SmarterMail** is made by SmarterTools. **ThreatDown Email Security** is made by ThreatDown by Malwarebytes. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is SmarterTools SmarterMail a good alternative to ThreatDown Email Security? Often, yes. SmarterTools SmarterMail and ThreatDown Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [SmarterTools SmarterMail vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-smartertools-smartermail) - [SmarterTools SmarterMail vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/powerdmarc-hosted-dmarc-vs-smartertools-smartermail) - [SmarterTools SmarterMail vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-smartertools-smartermail) - [ThreatDown Email Security vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-threatdown-email-security) - [ThreatDown Email Security vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/powerdmarc-hosted-dmarc-vs-threatdown-email-security) - [ThreatDown Email Security vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-threatdown-email-security) ## Alternatives to each - [See all SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail) - [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security) --- Source: https://cybersectools.com/compare/smartertools-smartermail-vs-threatdown-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/smartertools-smartermail.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on SmarterTools SmarterMail and ThreatDown 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