What does SMTP.com use?

As of October 2026, runsonwhat has found 37 tools at SMTP.com (smtp.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Font Awesome and Vimeo. Data & Observability: Google Analytics, Google Tag Manager and VWO. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Google Workspace, Atlassian and OneTrust. Last checked October 5, 2026.

SMTP.com uses Amazon Web Services for hosting and cloud infrastructure, alongside Kinsta, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on smtp.com. Amazon Web Services is used by 144,100 companies runsonwhat tracks.

SMTP.com uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on smtp.com. Google Workspace is used by 393,427 companies runsonwhat tracks.

SMTP.com uses Olark for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Olark through Olark code on smtp.com. Olark is used by 1,202 companies runsonwhat tracks.

SMTP.com uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on smtp.com. Stripe is used by 25,506 companies runsonwhat tracks.

SMTP.com uses Google Analytics for analytics, alongside Google Tag Manager, Chartbeat and Pendo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on smtp.com. Google Analytics is used by 831,234 companies runsonwhat tracks.

SMTP.com has used Unbounce since at least June 2018, going by the first public certificate of the smtp.com subdomain that points at Unbounce. Other long-running tools at SMTP.com include Statuspal (since December 2018).

Yes. runsonwhat found jQuery at SMTP.com through jQuery code on smtp.com. jQuery is a Frontend tool used by 879,752 companies runsonwhat tracks.

Yes. runsonwhat has found Anthropic at SMTP.com; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so SMTP.com may use more AI tools than these.

The companies with the stacks most like SMTP.com's are Reckon, Animaker, Deel and Glide, according to runsonwhat (October 2026). Each shares 12 to 24 tools with SMTP.com, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 37 tools at SMTP.com, 22 were found through code on smtp.com, 9 through DNS records, 3 through subdomains that point at the vendor, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and smtp.com about monthly.