4 websites in the live index use AuthSMTP as of October 2026. Download the full list of AuthSMTP websites with website, company, country and language.
AuthSMTP is an authenticated SMTP mail service designed to solve most of the problems experienced when sending mail from your email program, application, server, cell phone or mobile device.
As of October 17, 2026, TechLeads detects AuthSMTP on 4 websites: 0.00% of Email detections, the 94th most-used of 110 Email technologies we track.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Companies Using AuthSMTP." Data as of October 17, 2026. https://techleads.fyi/technology/authsmtpHTML link
<a href="https://techleads.fyi/technology/authsmtp">Companies using AuthSMTP (TechLeads data)</a>Sample results for AuthSMTP
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #10,000,000 | Anitín - Panes especiales | Panes especiales | Anitín | - | - | ||
| #2 | AsistenteCompras - Intranet | - | - | - | - |
Complete AuthSMTP website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessThe most-used Email technologies in the TechLeads index, by number of websites. AuthSMTP accounts for 0.00% of Email detections (4 websites).
| Technology | Websites | Share of Email |
|---|---|---|
| Google Workspace | 3,368,536 | 29.8% |
| Microsoft 365 | 2,796,163 | 24.7% |
| Hostinger Mail | 977,464 | 8.6% |
| IONOS Mail | 695,575 | 6.2% |
| Mailgun | 672,866 | 6.0% |
| Amazon SES | 639,428 | 5.7% |
| Sendgrid | 522,398 | 4.6% |
| Yandex Mail | 199,759 | 1.8% |
| MailJet |
TechLeads scans public websites and identifies AuthSMTP from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 17, 2026. Counts only include websites we have scanned, so they can differ from other providers.
| 185,481 |
| 1.6% |
| Lolipop Mail | 137,859 | 1.2% |
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Technologies most frequently detected on the same websites as AuthSMTP.
AuthSMTP is an authenticated SMTP mail service designed to solve most of the problems experienced when sending mail from your email program, application, server, cell phone or mobile device.
Our comprehensive database contains 4 websites using AuthSMTP, making it the most complete AuthSMTP sites list available. This AuthSMTP customer websites directory helps businesses detect websites using AuthSMTP and identify potential leads.
Websites using AuthSMTP commonly also use SMTP.com, SMTP.BZ, Haravan, jQuery, PHP — reflecting typical AuthSMTP technology stacks.
Our AuthSMTP technology detection system scans millions of websites to identify those powered by AuthSMTP. This list of sites with AuthSMTP includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with AuthSMTP or exploring AuthSMTP adoption trends, our database provides comprehensive insights.
Each entry in our AuthSMTP sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using AuthSMTP and reach out to potential customers or partners.
Get instant access to the full list of sites with AuthSMTP in CSV format. Our dataset includes all 4 AuthSMTP customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest AuthSMTP powered websites.