Websites using SmtpJS 2

SmtpJS is a free library you can use for sending emails from JavaScript.

Lead List Exporter

46 live SmtpJS 2 sites, ready to export.

That's how many SmtpJS 2 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

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Every SmtpJS 2 website we detected in Spain.

Only sites where a business, company-hosted email was found.

Sites with at least one business LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to SmtpJS 2 websites on .com domains.

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How many websites use SmtpJS 2?

We found SmtpJS 2 on 46 websites in our August 2026 crawl, across 18 countries.

Which countries use SmtpJS 2 the most?

By number of websites, the top countries are Spain (17%, 8 sites), United States (15%, 7 sites), Poland (11%, 5 sites), Germany (9%, 4 sites) and United Arab Emirates (4%, 2 sites). Together they account for 57% of the 46 SmtpJS 2 sites we track. 41% of the sites are in English, and .com is the most used domain ending, on 52% of them.

Where are SmtpJS 2 websites hosted?

The networks carrying the most SmtpJS 2 sites are IONOS SE (6 sites), Amazon.com, Inc. (4 sites) and Cloudflare, Inc. (4 sites).

What technologies are used with SmtpJS 2?

Across the 46 SmtpJS 2 sites we track, the technologies most often found alongside it are jQuery (91%, 42 sites), Bootstrap (72%, 33 sites), Apache HTTP Server (46%, 21 sites), PHP (39%, 18 sites) and OWL Carousel (37%, 17 sites).

Deep Dive

Breakdown of SmtpJS 2 websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of SmtpJS 2 websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.