DMARC
Google Workspace
Godaddy Professional Email
Namecheap Business Email
IONOS Hosted Email
Hostinger Business Email
Strato Email
HostGator Email
OVH mail
Opensrs MX
Above.com MX
Sales outreach
All 23,803 of these sites already run Roundcube, with the it services and it consulting segment leading at 19 sites. Pitch the products and services that fit that exact stack.
Websites using Roundcube
Hosting & Infrastructure Email Hosting Visit website
Roundcube is a free and open source webmail software written in PHP. It serves as a multilingual IMAP client and includes features like MIME support, address book management, and message searching.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 23,803
- Countries with usage
- 135
- Top market: China
- 🇨🇳 18.6%
Roundcube global heatmap
darker = more sitesRoundcube usage by country
by sites detected-
01 🇨🇳 China 4,399 18.6%
-
02 🇩🇪 Germany 3,087 13.1%
-
03 🇺🇸 United States 2,968 12.6%
-
04 🇷🇺 Russia 1,208 5.1%
-
05 🇵🇱 Poland 929 3.9%
-
06 🇸🇪 Sweden 917 3.9%
-
07 🇭🇺 Hungary 915 3.9%
-
08 🇫🇷 France 861 3.6%
-
09 🇳🇱 Netherlands 638 2.7%
-
10 🇬🇧 United Kingdom 613 2.6%
And 125 more countries in the full dataset.
Need every Roundcube site in one market? Unlock Roundcube once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moRoundcube usage by country group
by sites detected-
01 Europe 45 countries 13,090 55.4%
-
02 European Union (EU) 27 countries 10,710 45.4%
-
03 Western Europe 22 countries 8,109 34.3%
-
04 Asia-Pacific (APAC) 25 countries 6,219 26.3%
-
05 BRICS 9 countries 6,136 26%
-
06 Eastern Europe 22 countries 4,980 21.1%
-
07 Greater China 3 countries 4,740 20.1%
-
08 English-Speaking Countries 25 countries 4,629 19.6%
-
09 DACH 4 countries 3,603 15.3%
-
10 North America 3 countries 3,241 13.7%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 23,609 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Roundcube
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 otenet.gr
|
17,716 | $2.44K+ | 🇬🇷 Greece | gr |
| 02 | webmail-seguro.com.br | 27,615 | $961+ | 🇧🇷 Brazil | br |
| 03 | san.ru | 28,249 | $947+ | 🇷🇺 Russia | ru |
| 04 | mailhostbox.com | 28,541 | $1.33K+ | 🇺🇸 United States | com |
| 05 | asimus.net | 29,445 | $936+ | 🇺🇸 United States | net |
| 06 | serviciodecorreo.es | 39,404 | $1.07K+ | 🇪🇸 Spain | es |
| 07 | thorn.net | 52,513 | $705+ | 🇺🇸 United States | net |
| 08 | byspirit.ro | 53,909 | $701+ | 🇷🇴 Romania | ro |
| 09 | robots.net | 55,351 | $6.56K+ | 🇫🇷 France | net |
| 10 | stackmail.com | 61,690 | $1.26K+ | 🇬🇧 United Kingdom | com |
| 11 | wmlogin.co.uk | 64,284 | $634+ | 🇬🇧 United Kingdom | uk |
| 12 |
 transip.email
|
69,695 | $8.22K+ | 🇳🇱 Netherlands | |
| 13 | ighor.ru | 70,676 | $601+ | 🇷🇺 Russia | ru |
| 14 | morrow.me.uk | 75,185 | $1.25K+ | 🇬🇧 United Kingdom | uk |
| 15 | crimea.com | 97,614 | $519+ | 🇷🇺 Russia | com |
| 16 | bestmail.cz | 102,803 | $503+ | 🇺🇳 Czechia | cz |
| 17 |
 axntechnologies.in
|
104,499 | $579+ | 🇮🇳 India | in |
| 18 | rostelecom67.ru | 105,087 | $494+ | 🇷🇺 Russia | ru |
| 19 | 68edu.ru | 112,844 | $477+ | 🇷🇺 Russia | ru |
| 20 | ticnorte.com.ar | 128,764 | $461+ | 🇦🇷 Argentina | ar |
This is 20 of 23,803 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Roundcube
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Korat Group | koratgroup.com | 1-10 | Real Estate | 🇺🇳 - | - |
| BUSHI SERVIS Sh.a |
 bushi-al.com
|
201-500 | Motor Vehicle Manufacturing | 🇦🇱 Albania | 1993 |
| Action Shoes |
 actionshoes.com
|
10001+ | Consumer Goods | 🇮🇳 India | 1972 |
| Blacknest Golf Club Limited |
 blacknestgolf.co.uk
|
- | Software Development | 🇬🇧 United Kingdom | - |
| State Finance Institution For Innovations |
 difku.gov.ua
|
51-200 | Financial Services | 🇺🇦 Ukraine | 1992 |
| Prolin | prolin.pl | 11-50 | Information Services | 🇺🇳 - | - |
| TBI MOTION TECHNOLOGY CO., LTD. |
 tbimotion.com.tw
|
501-1000 | Industrial Automation | 🇹🇼 Taiwan | 1986 |
| SOCIETE DES BRASSERIES DU MAROC PRESIDENT… | brasseries-maroc.com | 501-1000 | Food and Beverage Manufacturing | 🇲🇦 Morocco | - |
| UNIQBALL Kft. | uniqball.eu | - | - | 🇭🇺 Hungary | - |
| Ingenosya Madagascar |
 ingenosya.mg
|
11-50 | information technology and services | 🇲🇬 Madagascar | - |
| Grupo Qdq |
 grupoqdq.com
|
201-500 | marketing and advertising | 🇪🇸 Spain | - |
| Engefibra Telecomunicacoes |
 engefibra.net.br
|
1-10 | Civil Engineering | 🇧🇷 Brazil | - |
| Shed Curitiba | shedbar.com.br | 51-200 | Restaurants | 🇧🇷 Brazil | - |
| Pillar Mexicana S.A. De C.V. |
 pillar.com.mx
|
51-200 | Industrial Automation | 🇲🇽 Mexico | 1977 |
| Sindicato Dos Trabalhadores Nas Industrias… | sindmetsp.org.br | 201-500 | - | 🇧🇷 Brazil | - |
| Dorottya Fotó | dorottyafoto.hu | 1-10 | Photography | 🇭🇺 Hungary | 2015 |
| Venezia-Ice |
 venezia-ice.com
|
501-1000 | Restaurants | 🇺🇳 - | 2000 |
| ISI Detention Contracting Group, Inc. | isidet.com | - | - | 🇺🇸 United States | - |
| Paolita Malhas LTDA | paolitamalhas.com.br | 11-50 | Textile Manufacturing | 🇧🇷 Brazil | 2003 |
| Pt Batamindo Investment Cakrawala | batamindo.co.id | 501-1000 | Investment Management | 🇮🇩 Indonesia | 1989 |
| Girard Chris Realty Ltd | chrisgirardrealty.ca | 1-10 | - | 🇨🇦 Canada | - |
| KRONOS INTERNATIONAL S.A. |
otenet.gr
|
- | - | 🇬🇷 Greece | - |
| Sacramento Laundry Company |
 sacramentolaundry.com
|
201-500 | Hospitality | 🇺🇸 United States | 1991 |
| GUADALETE MOTOR SL |
 guadaletemotor.com
|
11-50 | Retail | 🇪🇸 Spain | - |
| Centre Hospitalier Fh Manhes |
 ch-manhes.com
|
51-200 | hospital & health care | 🇫🇷 France | 1965 |
| Dacom Informática | dacominformatica.es | - | Telecommunications | 🇪🇸 Spain | - |
| Gecko Hardware | geckohardware.com | 11-50 | Building Materials | 🇺🇸 United States | - |
| Ministerio Público De Nicaragua |
 ministeriopublico.gob.ni
|
51-200 | - | 🇳🇮 Nicaragua | - |
| MiEspacioWeb S.C.A. |
 miespacioweb.com
|
1-10 | Strategic Management Services | 🇪🇸 Spain | 2014 |
| HM TRADE |
 hmtrade.com
|
201-500 | Textile Manufacturing | 🇪🇬 Egypt | 2004 |
| SERVICO |
 servicopolska.pl
|
51-200 | Facilities Services | 🇵🇱 Poland | 2014 |
| ŠHK 37 Piešťany | shk37piestany.sk | - | - | 🇺🇳 - | - |
| WSK Kraków LLC |
 wsk.com.pl
|
201-500 | Aviation & Aerospace | 🇵🇱 Poland | 1952 |
| Astro Ecotech |
 astroecotech.com.au
|
11-50 | chemicals | 🇦🇺 Australia | 1979 |
| Abfam Enterprises Ltd. |
 abfam.ca
|
1-10 | - | 🇺🇳 - | - |
| Padma Satel Arab Fashions Ltd |
 psafashions.com
|
1-10 | - | 🇧🇩 Bangladesh | 2010 |
| Leader |
 leaderstarsecurity.com
|
201-500 | Security and Investigations | 🇮🇳 India | 2005 |
| Tarra Homes |
 tarrahomes.com.au
|
11-50 | Real Estate | 🇦🇺 Australia | - |
| ANDERDON MACHINE TOOL AND MANUFACTURING… |
 anderdontool.com
|
- | - | 🇨🇦 Canada | - |
| Pt. Bina Sarana Sukses |
 binasaranasukses.com
|
51-200 | mining & metals | 🇮🇩 Indonesia | 2008 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Roundcube usage by industry
by TLD segment-
01 IT Services and IT Consulting 19 9.7%
-
02 Business Consulting and Services 18 9.2%
-
03 Construction 13 6.7%
-
04 Retail 13 6.7%
-
05 Financial Services 12 6.2%
-
06 information technology and services 11 5.6%
-
07 Technology, Information and Internet 10 5.1%
-
08 Accounting 10 5.1%
-
09 marketing and advertising 10 5.1%
-
10 Real Estate 10 5.1%
Roundcube industry distribution chart
share by domain segmentRoundcube users by company revenue
166 companiesTechnologies related to Roundcube
Email HostingPut it to work
What teams do with the Roundcube list
Competitor analysis
Selling SPF (Sender Policy Framework), DMARC, or another Email Hosting product? These 23.8K Roundcube users are your displacement audience, filterable by country and company size.
Market research
Top markets for Roundcube: China (18.6%), Germany (13.1%), United States (12.6%). Size the Email Hosting market by geography before you build or invest.
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