# What does Mailtrap use? Mailtrap (mailtrap.io) shows public evidence of 42 tools, according to runsonwhat (last checked 2026-10-20). - LinkedIn: https://www.linkedin.com/company/mailtrap ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Subprocessor list | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Subprocessor list | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | | [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | Website code | | | [Monotype Fonts](https://www.runsonwhat.com/reverse/fonts-com) | Media & UI | Website code | | | [Supabase](https://www.runsonwhat.com/reverse/supabase) | Backend & Database | Subprocessor list | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code, Subprocessor list | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Subprocessor list | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Subprocessor list | | | [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | Subprocessor list | | | [Rank Math](https://www.runsonwhat.com/reverse/rankmath) | Website & CMS | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records | | | [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | | [Quora Ads](https://www.runsonwhat.com/reverse/quora-ads) | Ads & Pixels | Website code | | | [GitBook](https://www.runsonwhat.com/reverse/gitbook) | Support & Docs | Custom domain | 2025-12 | | [Discourse](https://www.runsonwhat.com/reverse/discourse) | Support & Docs | Custom domain | 2026-06 | | [Featurebase](https://www.runsonwhat.com/reverse/featurebase) | Support & Docs | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Subprocessor list | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Subprocessor list | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | DNS verification records, Subprocessor list | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Subprocessor list | | | [GitHub](https://www.runsonwhat.com/reverse/github) | Dev Tools | Subprocessor list | | | [Drata](https://www.runsonwhat.com/reverse/drata) | Security & Compliance | Custom domain | 2025-10 | | [Windsurf](https://www.runsonwhat.com/reverse/windsurf) | Dev Tools | Subprocessor list | | ## Recent changes at Mailtrap - 2026-10-20: started using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) ## FAQ ### What tools does Mailtrap use? As of October 2026, runsonwhat has found 42 tools at Mailtrap (mailtrap.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: Google Fonts, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does Mailtrap run on? Mailtrap uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on mailtrap.io's subprocessor list. Amazon Web Services is used by 145,819 companies runsonwhat tracks. ### What CRM does Mailtrap use? Mailtrap uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot on mailtrap.io's subprocessor list. HubSpot is used by 94,347 companies runsonwhat tracks. ### What email provider does Mailtrap use? Mailtrap uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 712,567 companies runsonwhat tracks. ### What does Mailtrap use for customer support? Mailtrap uses Help Scout for customer support and documentation, alongside GitBook, Discourse and Featurebase, according to runsonwhat (October 2026). runsonwhat found Help Scout through email records that authorize Help Scout. Help Scout is used by 2,912 companies runsonwhat tracks. ### What payment provider does Mailtrap use? Mailtrap uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on mailtrap.io. Stripe is used by 28,720 companies runsonwhat tracks. ### How long has Mailtrap used Drata? Mailtrap has used Drata since at least October 2025, going by the first public certificate of the mailtrap.io subdomain that points at Drata. Other long-running tools at Mailtrap include GitBook (since December 2025) and Discourse (since June 2026). ### Does Mailtrap use Google Fonts? Yes. runsonwhat found Google Fonts at Mailtrap through Google Fonts code on mailtrap.io. Google Fonts is a Media & UI tool used by 812,777 companies runsonwhat tracks. ### Has Mailtrap changed tools recently? Yes. On runsonwhat's rechecks, Mailtrap started using Microsoft 365 (latest on October 20, 2026). A change counts only between two checks of mailtrap.io done the same way. ### Which companies have a tech stack similar to Mailtrap's? The companies with the stacks most like Mailtrap's are Swif.ai, Nulogy, qodo and Ferentin, according to runsonwhat (October 2026). Each shares 7 to 17 tools with Mailtrap, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Mailtrap uses? runsonwhat reads public records only. Of the 42 tools at Mailtrap, 18 were found through code on mailtrap.io, 11 through its own subprocessor list, 8 through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mailtrap.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/mailtrap.io (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.