717 websites use DMARC Reject as of October 2026. Download the full list of DMARC Reject websites with website, company, country and language.
The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.
As of October 13, 2026, TechLeads detects DMARC Reject on 717 websites: 0.01% of Email detections, the 72nd most-used of 135 Email technologies we track.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Companies Using DMARC Reject." Data as of October 13, 2026. https://techleads.fyi/technology/dmarc-rejectHTML link
<a href="https://techleads.fyi/technology/dmarc-reject">Companies using DMARC Reject (TechLeads data)</a>Sample results for DMARC Reject
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #1 | Agencia de Facebook e Instagram Ads - Ads n’ go | En [Nombre agencia] nos encargamos de realizar estrategias de publicidad multicanal para particulares y empresas. | Ads n’ go | - | - | ||
| #2 | Home - PMOSK | „Die eigenen informationen Sollten immer und überall sicher sein!“ Lassen Sie uns darüber sprechen, ich freue mich auf Ihre Nachricht… Warum eigentlich Projects, Management & Operations ? Auch wenn ich thematisch auf Informationssicherheit & IT Sicherheit spezialisiert bin, verstehe ich mich in erst | PMOSK | - | eng | ||
| #3 | ADYOUCATE · Digitaler Wachstumspartner für den Mittelstand | Wir machen aus mittelständischen Unternehmen digitale Marktführer. Premium-Methodik aus Strategie, Web, Automation und Performance Marketing. Das ADVANCE-System®. | ADYOUCATE | - | eng | ||
| #4 | Trillium Health - Integrated, personalized primary and specialty medical care to people from diverse communities | Trillium Health is a community of medical and social service professionals who meet patients in a beautiful, healing environment where they can feel supported, cared for, and cared about. | Trillium Health | - | eng | ||
| #5 | Advanced Sustainable Packaging & Custom Product Labels | Inovar | Discover Inovar’s comprehensive custom product labels and packaging solutions, designed to enhance your product’s market presence and performance. | Inovar Packaging Group | - | eng | ||
| #6 | Cabinet d'architecte d'intérieur Eva Ivos, Juvisy-sur-Orge, Essonne | Cabinet d'architecte d'intérieur Eva Ivos à Juvisy-sur-Orge intervient pour de l’habitation en appartement ou en maison, pour des bureaux ou locaux commerciaux. | Eva Ivos - Architecte d'int\u00e9rieur | - | fra | ||
| #7 | Faro em Ação | A Faro em Ação é uma associação juvenil que pretende ser um espaço de aprendizagem, partilha e crescimento. Acreditamos no poder da comunidade e da ação para criar experiências únicas e transformadoras. | Faro em Ação | - | por | ||
| #8 | Fleur's Designs - Handmade Designs Made For You | Beautiful handmade jewellery and artisan accessories. Discover unique, boho-inspired earrings crafted with love – perfect for gifting or everyday style. Shop now for elegant, natural designs that stand out. | Fleur\u0026#39;s Designs | - | eng | ||
| #9 | Društvene igre | Drustveneigre.rs je najbolje opremljena online prodavnica društvenih igara u Srbiji. Svaka društvena igra koju nađete kod nas na sajtu imamo na stanju i od momenta kada poručite na Vašoj adresi su za najkasnije 48h. Društvene igre Srbija. | Drustvene igre | - | hrv | ||
| #10 | GEODIS in Cameroon | GEODIS | With a large network all over the world, GEODIS is a true growth partner to its clients offering end-to end solutions based on its knowhow, its infrastructure, processes and information systems that ensure operational excellence and the best service quality. | GEODIS | - | fra | ||
| #11 | Management and Technology Consultancy | BearingPoint | BearingPoint is an independent management and technology consultancy with European roots and a global reach, offering Consulting, Products, and Capital services. | BearingPoint | - | eng | ||
| #12 | Perfekter Kundenservice: UDINA Service Excellence | UNIORG | Neue Maßstäbe im Kundenservice setzen ✓ Transparente Prozesse ✓ Echtzeitdaten ✓ maßgeschneiderte Tools ✓ Mehr Infos. | UNIORG | - | cat | ||
| #13 | B P Collins Solicitors | London, Gerrards Cross and Thame law firm | Buckinghamshire, Oxfordshire and London solicitors. Offices in Gerrards Cross, Thame, West London and the City. 60+ years of legal excellence, advising businesses, families and individuals. | B P Collins | - | eng | ||
| #14 | ריהוט חכם | מיטות מתקפלות ומיטות קומותיים | BRIRA | ריהוט חכם לבית מבית BRIRA – מיטות מתקפלות לקיר, מיטות קומותיים, חדרי ילדים וריהוט מעוצב מיצרנים אירופאים. משלוח והרכבה בכל הארץ. | ריהוט חכם - BRIRA | - | eng | ||
| #15 | Resolve Sleep Health Symposia – An educational event on the latest in sleep health. | An educational event on the latest in sleep health. | Resolve Sleep Health Symposia | - | cat | ||
| #16 | Home Page | Cambridge Education Group | Cambridge Education Group delivers innovative academic services tailored to the needs of international students and educational institutions. | Cambridge Education Group | - | eng | ||
| #17 | SEO und GEO Analyzer - Umfassende Analysen für Suchmaschinenoptimierung und Geodaten | SEO und GEO Analyzer bietet umfassende Analyse-Tools, um die Sichtbarkeit Ihrer Webseite zu verbessern und gezielte Verbesserungen zu ermöglichen. | Andreas Jochum | - | deu | ||
| #18 | Japan Fishing Tackle News - purchase Japanese products online | Japan Fishing Tackle News Introduces Japanese fishing news, product reviews and fishing tips. Get informed the latest news and purchase online now! | Japan Fishing Tackle News | - | eng | ||
| #19 | Guerrero - Tecnología web. IT | Tecnología web. IT | Guerrero | - | eng | ||
| #20 | Elcom Enterprise CMS & Software Solutions | elcom | Interested in building world-class websites, intranets and portals for your organisation? Find out why so many organisations trust the Elcom Enterprise CMS | Elcom | - | eng | ||
| #21 | Quality Builder in Berry NSW | Kane Barrett Constructions | A home builder in Berry NSW for over 30 years, Kane Barrett Constructions has a solid reputation for honesty, flexibility and quality. | Kane Barrett Constructions | - | eng | ||
| #22 | City Express – Send Money From Australia | City Express AU | City Express is a fast-growing money transfer platform in Australia. Send money overseas to 40+ currencies with low fees and same-day service. | City Express AU | - | eng | ||
| #23 | Разработка IT-продуктов и AI под ключ — Дмитрий Фофанов | Дмитрий Фофанов — CTO и fullstack-разработчик с 22+ годами опыта. Проектирование web-сервисов, RAG/LLM-решений и инфраструктуры: от архитектуры до production. | DFV24 | - | ita | ||
| #24 | Desportivo de Leça do Balio - Site oficial | Website oficial do Desportivo de Leça do Balio. Acompanhe as noticias, equipas, jogos, videos e muito mais. | Desportivo de Leça do Balio | - | fra | ||
| #25 | 大阪・門真のPPF・カーコーティング施工店｜LIT DETAIL｜最新設備・無料代車完備 | 大阪府門真市にある総合車両美装店LIT DETAILです。PPFやボディコーティング・カーフィルム施工を中心に各種リペアやカスタムを行っております。最新設備で高品質施工。公式LINEで簡単見積り。 | T'S DETAILING | - | eng |
The most-used Email technologies in the TechLeads index, by number of websites. DMARC Reject accounts for 0.01% of Email detections (717 websites).
| Technology | Websites | Share of Email |
|---|---|---|
| Google Workspace | 3,311,472 | 26.2% |
| Microsoft 365 | 2,753,878 | 21.8% |
| Hostinger Mail | 959,881 | 7.6% |
| MailChimp | 824,240 | 6.5% |
| IONOS Mail | 693,261 | 5.5% |
| Mailgun | 669,183 | 5.3% |
| Amazon SES | 637,194 | 5.1% |
| Sendgrid | 522,270 | 4.1% |
| Yandex Mail |
TechLeads scans public websites and identifies DMARC Reject from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 13, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Complete DMARC Reject website dataset in CSV. One-time purchase.
Secure checkout · 7-day download access| 197,539 |
| 1.6% |
| Sendinblue | 191,128 | 1.5% |
Selling a Email product?
Get every DMARC Reject 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 DMARC Reject list · Ask for 25 free DMARC Reject sites that don't use you
Technologies most frequently detected on the same websites as DMARC Reject.
752 new sites in the last 12 weeks
Sites where we first detected DMARC Reject, by week (UTC, weeks start Monday). Counts follow our discovery coverage, so weekly totals can vary.
The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.
Our comprehensive database contains 717 websites using DMARC Reject, making it the most complete DMARC Reject sites list available. This DMARC Reject customer websites directory helps businesses detect websites using DMARC Reject and identify potential leads.
Websites using DMARC Reject commonly also use DMARC, DMARC None, Zendesk, Haravan, Modernizr — reflecting typical DMARC Reject technology stacks.
Our DMARC Reject technology detection system scans millions of websites to identify those powered by DMARC Reject. This list of sites with DMARC Reject includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with DMARC Reject or exploring DMARC Reject adoption trends, our database provides comprehensive insights.
Each entry in our DMARC Reject 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 DMARC Reject and reach out to potential customers or partners.
Get instant access to the full list of sites with DMARC Reject in CSV format. Our dataset includes all 717 DMARC Reject 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 DMARC Reject powered websites.