Websites Using SmtpJS

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

Categories: Browser fingerprinting

Official website: https://smtpjs.com

SmtpJS is ranked #26 of 28 in Browser fingerprinting by website adoption.

Browser fingerprinting alternatives ranked by popularity

1. FingerprintJS — 1,417 websites
2. Zoho Mail — 751 websites
3. Mailchimp for Shopify — 511 websites
4. Aument — 0 websites
5. BIGLIST — 0 websites
6. Clearout — 0 websites
7. CleverReach — 0 websites
8. Doppler — 0 websites
9. EmailJS — 0 websites
10. Emaileri — 0 websites

How WhatStack detects SmtpJS

WhatStack detects SmtpJS by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.

Frequently Asked Questions

What is SmtpJS?

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

How many websites use SmtpJS?

WhatStack has detected SmtpJS on 0 websites in our database.

How do you detect SmtpJS?

We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify SmtpJS with high accuracy using signature-based pattern matching.