Technology · Email · Open Source
166 websites in the live index use Mailman as of October 2026. Download the full list of Mailman websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Mailman on 166 websites: 0.00% of Email detections, the 67th most-used of 111 Email technologies we track.
Sample results for Mailman. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #21,012 | dovecot.org | Dovecot | The Secure IMAP serverDovecot Pro is a full-service email platform that delivers dynamic scalability, high performance, efficient utilization of hardware, and outstanding support to the world | - | - | - |
| #10,000,000 | exlibrisusers.org | List Index - exlibrisusers.org | - | - | - |
| #3 | com.br | Contabilidade em Estrela - RS | ZW ContabilidadeA ZW, Contabilidade em Estrela - RS é uma Consultoria Contábil, Jurídica, Fiscal, Tributária, Financeira e Administrativa. Nossa equipe é formada por muitos profissionais experientes e dedicados, prontos para te ajudar a impulsionar seu negócio! | ZW Contabilidade | - | - |
| #4 | com.au | Video Production Sydney: Transforming Ideas Into FilmDiscover the best video production Sydney has to offer. Create impactful content that captures attention and drives results. | Zyon Films | - | - |
| #5 | chibuma.com | ChibumaTop最新の情報通信技術を活用した様々なソリューション・コンサルティングを実施しています。 | - | - | - |
| #6 | afewlists.com | List Index - afewlists.com | - | - | - |
| #7 | bahai.email | List Index - bahai.email | - | - | eng |
| #8 | bayareahealthfreedom.com | List Index - bayareahealthfreedom.com | - | - | - |
| #9 | cmsclistserve.org | List Index - cmsclistserve.org | - | - | - |
| #10 | europrivacynews.com | List Index - Europrivacy news | - | - | - |
| #11 | fimmgcuneo-lista.it | List Index - fimmgcuneo-lista.it | - | - | - |
| #12 | kinderaerztemail.de | List Index - kinderaerztemail.de | - | - | - |
| #13 | mailiste.com | List Index - localhost | - | - | - |
| #14 | markjr.net | Info | hpgroup@hpgroupto.org - markjr.net | - | - | - |
| #15 | masslawlists.org | List Index - masslawlists.org | - | - | - |
| #16 | digitalleadership.org | List Index - FairSay Forum | - | - | - |
| #17 | niddagaustr.de | Listenverzeichnis - niddagaustr.de | - | - | - |
| #18 | iotsfmm.org | List Index - iotsfmm.org | - | - | - |
| #19 | tmt.company | Listen-Index - tmt.company | - | - | fra |
| #20 | komuni.eu | List Index - komuni.eu | - | - | - |
| #21 | listaja.hu | List Index - listaja.hu | - | - | - |
| #22 | zwlist.de | List Index - Zählwerk | - | - | - |
| #23 | nuh-crpi.net | List Index - UHCTA | - | - | - |
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The most-used Email technologies in the TechLeads index, by number of websites. Mailman accounts for 0.00% of Email detections (166 websites).
| No. | Technology | Websites | Share of Email | Relative size |
|---|---|---|---|---|
| 01 | Google Workspace | 3,570,162 | 30.2% | |
| 02 | Microsoft 365 | 2,941,736 | 24.9% | |
| 03 | Hostinger Mail | 1,020,729 | 8.6% | |
| 04 | IONOS Mail | 701,102 | 5.9% | |
| 05 | Mailgun | 692,937 | 5.9% | |
| 06 | Amazon SES | 657,786 |
TechLeads scans public websites and identifies Mailman from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 166 websites using Mailman. Open the sample table on this page or download the lead list.
The chart on this page is monthly HTTP Archive crawl detections for Mailman, compared with other Email technologies. It is not the TechLeads live index.
In the same HTTP Archive category, Mailman is charted against Google Workspace, Microsoft 365, MailChimp, Sendgrid, Amazon SES. Live-index co-occurrence on this page is a separate signal.
Companies and websites using Mailman in the TechLeads index include dovecot.org, exlibrisusers.org, com.br, com.au, chibuma.com. The full list of 166 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Email alternatives to Mailman are Google Workspace (3,570,162), Microsoft 365 (2,941,736), Hostinger Mail (1,020,729).
TechLeads scans public websites and matches Mailman by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
| 5.6% |
| 07 | Sendgrid | 532,624 | 4.5% |
|---|
| 08 | Yandex Mail | 206,969 | 1.7% |
|---|
| 09 | MailJet | 191,679 | 1.6% |
|---|
| 10 | Lolipop Mail | 139,556 | 1.2% |
|---|
Yes. A one-time Mailman dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on MailmanRank
Monthly detections of Mailman in the HTTP Archive crawl. This is historical crawl coverage, not the TechLeads live website index.
Same HTTP Archive category (Email), not the whole web. Toggle competitors on or off.
Optional rank bands from the crawl (top 1k through long tail). Missing months are crawl gaps, not uninstalls.
Rank-band history is not available for this technology.
Technologies most frequently detected on the same websites as Mailman. Counts are websites in the live index.
Sites where we first detected Mailman, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
33
sites newly detected in the last 12 weeks
Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Our comprehensive database contains 166 websites using Mailman, making it the most complete Mailman sites list available. This Mailman customer websites directory helps businesses detect websites using Mailman and identify potential leads.
Websites using Mailman commonly also use jQuery, Bootstrap, Python, Font Awesome, jQuery UI — reflecting typical Mailman technology stacks.
Our Mailman technology detection system scans millions of websites to identify those powered by Mailman. This list of sites with Mailman includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Mailman or exploring Mailman adoption trends, our database provides comprehensive insights.
Each entry in our Mailman 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 Mailman and reach out to potential customers or partners.
Get instant access to the full list of sites with Mailman in CSV format. Our dataset includes all 166 Mailman 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 Mailman powered websites.
