12,810 websites use Mailbox.org as of October 2026. Download the full list of Mailbox.org websites with website, company, country and language.
Email and cloud storage system from Germany.
As of October 15, 2026, TechLeads detects Mailbox.org on 12,810 websites: 0.10% of Email detections, the 40th most-used of 135 Email technologies we track.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Companies Using Mailbox.org." Data as of October 15, 2026. https://techleads.fyi/technology/mailbox-orgHTML link
<a href="https://techleads.fyi/technology/mailbox-org">Companies using Mailbox.org (TechLeads data)</a>Sample results for Mailbox.org
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #7,386 | Open source constituent relationship management for non-profits, NGOs and advocacy organizations. | CiviCRM | - | - | - | - | ||
| #21,388 | Tink - Léonie Watson - On technology, food & life in the digital age | Director and co-founder of TetraLogical; Chair of the W3C Board of Directors; accessibility engineer; W3C WebApps WG co-chair; screen reader user, tequila drinker and crime fiction junkie. | - | - | - | ||
| #3 | A7 Value - Accueil | A7Value est un cabinet constitué d’experts fournissant des évaluations financières et des services de conseil en modélisation et planification financière. | A7value.com | - | fra | ||
| #4 | Jan-Nox | Personal website of Jan-Nox: software developer, side projects and IT service. | Jan-Nox | - | fra | ||
| #5 | arthware.dev / Arthur, Software Engineer | Software engineer, built 1984. Components, interfaces, composition. The engineering that holds up when the hype wears off. | arthware.dev | - | eng | ||
| #6 | KFZ-Meisterbetrieb Naumann & Schreiner | Gewerbepark 2a - 94099 Ruhstorf an der Rott | KFZ-Meisterbetrieb Naumann & Schreiner | - | eng | ||
| #7 | ASC Petri Heil e.V. - Angelsportverein in Mendig | Webseite des Angelvereins ASC Petri Heil in Mendig. Angelsport in Mendig, in unmittelbarer Nähe des Laacher Sees. Tradition seit 1951. | ASC Petri Heil e.V. - Angelsportverein in Mendig | - | fra | ||
| #8 | Avecarta - Papeterie und Design | Ob Hochzeitseinladung, Geburtstagseinladung, Taufkarten, die schönsten Karten für euren Festtag findet ihr bei uns. | Avecarta | - | eng | ||
| #9 | EventAI - Transform Your Documents into Calendar Events - eventai-docs | AI-powered document analysis that extracts events and creates calendar entries automatically. Upload PDFs, images, or text and let EventAI handle the rest. | eventai-docs | - | eng | ||
| #10 | Daniel Kratz – Frontend Webentwickler & Mediengestalter aus Kassel | Seit mehr als 10 Jahren entwerfe und entwickle ich ansprechende und intuitive digitale Produkte, darunter Websites, Apps und andere Medien. | Daniel Kratz – Frontend Webentwickler & Mediengestalter aus Kassel | - | eng | ||
| #11 | chrischdi (Christian Schlotter) · GitHub | Developing, building and maintaining #kubernetes clusters since k8s v1.6! - chrischdi | GitHub | - | eng | ||
| #12 | Gifted Procrastinator — Learn it, build it, actually use it | Hey, I | Gifted Procrastinator | - | eng | ||
| #13 | Ocelot.Social | Free and open source software to create and run your own social network | Ocelot.Social | - | eng | ||
| #14 | Schnitzelhunter - Schnitzeljagden mit QR oder Standort | Erstelle eigene Schnitzeljagden mit QR-Codes oder Standortpunkten, Live-Fortschritt und optionaler KI-Unterstützung. | Schnitzelhunter | - | deu | ||
| #15 | Ordination Dr. Heinrich Nesshyba — Allgemeinmedizin, 1210 Wien | Ich freue mich, Sie in meiner Kassenordination in 1210 Wien – Floridsdorf begrüßen zu dürfen. | ORDINATION Dr. Nesshyba | - | eng | ||
| #16 | Home - Simon Linder | Digital Artist from Innsbruck in Tyrol. | Simon Linder | - | eng | ||
| #17 | Wintersheart acrylic brooches | Hand made limited brooches, earrings, and laser cut products. | Wintersheart | - | eng | ||
| #18 | Extract EXACT! | Extract data from EXACT dental software. | Extract data from EXACT dental software. | Extract EXACT! | - | eng | ||
| #19 | GeoShare: Jump Between Maps | Geo Share: Jump Between Maps | Open map links in other map apps and copy coordinates | Geo Share: Jump Between Maps | - | eng | ||
| #20 | Privatpraxis für Psychotherapie Carina Loos in München | Privatpraxis für Psychotherapie Carina Loos in München-Schwabing: Psychologische Psychotherapeutin mit Schwerpunkt Verhaltenstherapie für Erwachsene und junge Erwachsene. Termine nach Vereinbarung. | Privatpraxis für Psychotherapie | - | eng | ||
| #21 | Habing Digital Consulting | IT Consultancy Services | At Habing Digital Consulting, I provide advice on custom software development, system architecture, and team management. With years of experience in DevOps, frontend, and backend development, I offer practical guidance tailored to your needs. My IT consultancy services cover digital transformation, | Habing Digital Consu | - | eng | ||
| #22 | Setec - Data Strategy and AI Integration | Setec Consulting helps organizations get more from their data — and move AI from pilot to production. We connect insight to decisions, and capability to results. | Setec Consulting | - | eng | ||
| #23 | Himmelweit Geschenke | Himmelweit Geschenke | Himmelweit Geschenke | - | eng | ||
| #24 | Vestonaut | Konten & Karten mit Prämie (10/2026) | Die besten Finanzprodukte, Vergleiche, Deals & Cashback-Angebote. Mit Vestonaut machst du mehr aus deinem Geld! Dein Geldbeutel wird dich lieben. | Vestonaut | - | eng | ||
| #25 | Home - IT KRIEBBELS | Freelance .NET Technical Lead | Azure Developer Associate – Building secure, clear, and reliable solutions | IT KRIEBBELS | - | cat |
The most-used Email technologies in the TechLeads index, by number of websites. Mailbox.org accounts for 0.10% of Email detections (12,810 websites).
| Technology | Websites | Share of Email |
|---|---|---|
| Google Workspace | 3,340,371 | 26.3% |
| Microsoft 365 | 2,773,948 | 21.8% |
| Hostinger Mail | 968,459 | 7.6% |
| MailChimp | 825,798 | 6.5% |
| IONOS Mail | 694,378 | 5.5% |
| Mailgun | 670,983 | 5.3% |
| Amazon SES | 638,331 | 5.0% |
| Sendgrid | 522,337 | 4.1% |
| Yandex Mail |
TechLeads scans public websites and identifies Mailbox.org from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 15, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Complete Mailbox.org website dataset in CSV. One-time purchase.
Secure checkout · 7-day download access| 198,597 |
| 1.6% |
| Sendinblue | 191,416 | 1.5% |
Selling a Email product?
Get every Mailbox.org website as a CSV for $29, remove your own customers, and you have a list of switch prospects. You can also upload the domains to LinkedIn as a company audience and advertise to exactly these companies, no emails needed.
Get the Mailbox.org list · Ask for 25 free Mailbox.org sites that don't use you
Email and cloud storage system from Germany.
Our comprehensive database contains 12,810 websites using Mailbox.org, making it the most complete Mailbox.org sites list available. This Mailbox.org customer websites directory helps businesses detect websites using Mailbox.org and identify potential leads.
Our Mailbox.org technology detection system scans millions of websites to identify those powered by Mailbox.org. This list of sites with Mailbox.org includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Mailbox.org or exploring Mailbox.org adoption trends, our database provides comprehensive insights.
Each entry in our Mailbox.org 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 Mailbox.org and reach out to potential customers or partners.
Get instant access to the full list of sites with Mailbox.org in CSV format. Our dataset includes all 12,810 Mailbox.org 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 Mailbox.org powered websites.