# SecLens.ONE vs SpamTitan Gateway: side-by-side comparison (2026) [SecLens.ONE](https://cybersectools.com/tools/seclensone) is a free [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [42Sec PTE. LTD](https://cybersectools.com/companies/42sec-pte-ltd). [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). 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 | | SecLens.ONE | SpamTitan Gateway | |---|---|---| | Pricing model | Free | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | 42Sec PTE. LTD. | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | SecLens.ONE | SpamTitan Gateway | |---|---|---| | DMARC | Yes | – | | SPF | Yes | Yes | | DKIM | Yes | Yes | | Open Source | Yes | – | | DNS Security | Yes | – | | Spam Prevention | – | Yes | | Content Filtering | – | Yes | | Multi Tenancy | – | Yes | | Gateway | – | Yes | | Active Directory | – | Yes | ### Core features **SecLens.ONE** 6 features listed. Sign in on the page to see them. **SpamTitan Gateway** 10 features listed. Sign in on the page to see them. ### Integrations **SecLens.ONE** No integrations listed. **SpamTitan Gateway** 2 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. - [SecLens.ONE](https://cybersectools.com/tools/seclensone) fits if you want a cloud product, you are a startup and you need a free product. - [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) fits if you need both cloud and on-premises options. ## SecLens.ONE vs SpamTitan Gateway FAQ Common questions when comparing SecLens.ONE vs SpamTitan Gateway for email security platforms. ### What is the difference between SecLens.ONE and SpamTitan Gateway? **SecLens.ONE**: Free email-security check for any domain: SPF, DKIM, DMARC and DNSSEC. Built by 42Sec PTE. LTD. **SpamTitan Gateway**: Email security gateway appliance for spam/malware filtering and mail flow control. Built by SpamTitan (TitanHQ). The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes SecLens.ONE and SpamTitan Gateway? **SecLens.ONE** is made by 42Sec PTE. LTD. **SpamTitan Gateway** is made by SpamTitan (TitanHQ). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is SecLens.ONE a good alternative to SpamTitan Gateway? Often, yes. SecLens.ONE and SpamTitan Gateway are both Email Security Platforms products, and both cover SPF, DKIM. Key differences: SecLens.ONE is Free while SpamTitan Gateway is Commercial. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [SecLens.ONE vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-seclensone) - [SecLens.ONE vs SmarterTools SmarterMail](https://cybersectools.com/compare/seclensone-vs-smartertools-smartermail) - [SecLens.ONE vs EasyDMARC Email Auth for Gmail, Yahoo & Microsoft](https://cybersectools.com/compare/easydmarc-email-auth-for-gmail-yahoo-and-microsoft-vs-seclensone) - [SpamTitan Gateway vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-spamtitan-gateway) - [SpamTitan Gateway vs SmarterTools SmarterMail](https://cybersectools.com/compare/smartertools-smartermail-vs-spamtitan-gateway) - [SpamTitan Gateway vs EasyDMARC Email Auth for Gmail, Yahoo & Microsoft](https://cybersectools.com/compare/easydmarc-email-auth-for-gmail-yahoo-and-microsoft-vs-spamtitan-gateway) ## Alternatives to each - [See all SecLens.ONE alternatives](https://cybersectools.com/alternatives/seclensone) - [See all SpamTitan Gateway alternatives](https://cybersectools.com/alternatives/spamtitan-gateway) --- Source: https://cybersectools.com/compare/seclensone-vs-spamtitan-gateway For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/seclensone.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on SecLens.ONE and SpamTitan Gateway: 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