Mailgun
Amazon SES
SendGrid
MailBaby
SMTP2GO
Mandrill
Postmark (ActiveCampaign) MX
MailerSend
Tencent GlobalMail
SMTP.com
ZeptoMail
SparkPost
Sales outreach
All 1,759 of these sites already run SMTP-Engine, with the construction segment leading at 66 sites. Pitch the products and services that fit that exact stack.
Websites using SMTP-Engine
MX & Email Hosting Services SMTP Service
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 1,759
- Countries with usage
- 32
- Top market: United Kingdom
- 🇬🇧 79.6%
SMTP-Engine global heatmap
darker = more sitesSMTP-Engine usage by country
by sites detected-
01 🇬🇧 United Kingdom 1,393 79.6%
-
02 🇺🇸 United States 143 8.2%
-
03 🇨🇭 Switzerland 57 3.3%
-
04 🇩🇪 Germany 28 1.6%
-
05 🇨🇦 Canada 26 1.5%
-
06 🇮🇪 Ireland 15 0.9%
-
07 🇮🇹 Italy 15 0.9%
-
08 🇸🇪 Sweden 11 0.6%
-
09 🇳🇱 Netherlands 10 0.6%
-
10 🇫🇷 France 9 0.5%
And 22 more countries in the full dataset.
Need every SMTP-Engine site in one market? Unlock SMTP-Engine 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/moSMTP-Engine usage by country group
by sites detected-
01 English-Speaking Countries 8 countries 1,587 90.7%
-
02 Western Europe 16 countries 1,558 89.1%
-
03 North America 3 countries 170 9.7%
-
04 European Union (EU) 12 countries 106 6.1%
-
05 DACH 3 countries 87 5%
-
06 French-Speaking Countries 4 countries 73 4.2%
-
07 Benelux 3 countries 17 1%
-
08 Nordics 6 countries 16 0.9%
-
09 Asia-Pacific (APAC) 5 countries 12 0.7%
-
10 Spanish-Speaking Countries 2 countries 8 0.5%
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 1,749 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using SMTP-Engine
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 hmv.com
|
30,397 | $12.93K+ | 🇮🇳 India | com |
| 02 |
 dns-engine.com
|
48,594 | $730+ | 🇩🇪 Germany | com |
| 03 | lookers.co.uk | 129,555 | $24.05K+ | 🇬🇧 United Kingdom | uk |
| 04 |
 acffiorentina.com
|
139,983 | $4.39K+ | 🇮🇹 Italy | com |
| 05 |
 spielwarenmesse.de
|
179,802 | $13.03K+ | 🇩🇪 Germany | de |
| 06 | worc.ac.uk | 206,590 | $7K+ | 🇬🇧 United Kingdom | uk |
| 07 | farminguk.com | 240,595 | $12.21K+ | 🇬🇧 United Kingdom | com |
| 08 |
 futureschool.com
|
249,011 | $10.81K+ | 🇬🇧 United Kingdom | com |
| 09 |
 careco.co.uk
|
249,236 | $75.26K+ | 🇬🇧 United Kingdom | uk |
| 10 |
 trinitylaban.ac.uk
|
257,856 | $6.1K+ | 🇬🇧 United Kingdom | uk |
| 11 |
 krakelee.org
|
321,458 | $1.32K+ | 🇩🇪 Germany | org |
| 12 | it-service.bz.it | 324,545 | $290+ | 🇮🇹 Italy | it |
| 13 |
 mcscertified.com
|
332,633 | $81K+ | 🇬🇧 United Kingdom | com |
| 14 |
 yougarden.com
|
350,995 | $1.06K+ | 🇬🇧 United Kingdom | com |
| 15 | flexibleautos.com | 377,808 | $4.89K+ | 🇬🇧 United Kingdom | com |
| 16 | jcq.org.uk | 406,770 | $1.63K+ | 🇬🇧 United Kingdom | uk |
| 17 |
 reliance.ie
|
411,435 | $60.72K+ | 🇮🇪 Ireland | ie |
| 18 | floridaortho.com | 478,179 | $8.23K+ | 🇺🇸 United States | com |
| 19 | romebusinessschool.com | 584,356 | $5.51K+ | 🇮🇹 Italy | com |
| 20 |
 johnsonscars.co.uk
|
587,576 | $48.91K+ | 🇬🇧 United Kingdom | uk |
This is 20 of 1,759 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using SMTP-Engine
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| AAF International (American Air Filter)… |
 aafeurope.com
|
501-1000 | Industrial Machinery Manufacturing | 🇩🇪 Germany | 1968 |
| RELIANCE |
reliance.ie
|
51-200 | Manufacturing | 🇮🇪 Ireland | 1925 |
| British Rototherm Group |
 rotothermgroup.com
|
201-500 | Measuring and Control Instrument Manufacturing | 🇬🇧 United Kingdom | 1847 |
| EyeCandy Staffing |
 eyecandy-promo.co.uk
|
1001-5000 | Advertising Services | 🇬🇧 United Kingdom | 2021 |
| Medulla Supplies |
 medullasupplies.co.uk
|
1-10 | Hospitals and Health Care | 🇬🇧 United Kingdom | 2024 |
| Nxsys |
 nxsys.tech
|
11-50 | Software Development | 🇺🇳 - | 2019 |
| Statusheating |
 statusheating.co.uk
|
- | - | 🇬🇧 United Kingdom | - |
| Irwin M&E |
 irwinm-e.com
|
201-500 | Construction | 🇬🇧 United Kingdom | - |
| Training Now |
 training-now.co.uk
|
11-50 | Professional Training and Coaching | 🇬🇧 United Kingdom | 2017 |
| Our Lady Of Lourdes Catholic Multi-Academy… |
 ololcatholicmat.co.uk
|
1001-5000 | Primary and Secondary Education | 🇬🇧 United Kingdom | 2018 |
| Actiform |
 actiform.co.uk
|
51-200 | Construction | 🇬🇧 United Kingdom | - |
| Optimum Care Group |
 optimumcaregroup.co.uk
|
501-1000 | Hospitals and Health Care | 🇬🇧 United Kingdom | 1993 |
| KINGS PROPERTY CONSULTANTS LIMITED |
 kingsproperty.org.uk
|
- | Real Estate | 🇺🇳 - | - |
| Benjamin Gaboury |
 warmlite.co.uk
|
1-10 | Graphic Design | 🇫🇷 France | 2012 |
| Mouldex Ltd |
 mouldexltd.com
|
51-200 | Environmental Services | 🇬🇧 United Kingdom | 2018 |
| Peter Day Precision Engineering Ltd |
 peterday.co.uk
|
11-50 | Aviation and Aerospace Component Manufacturing | 🇬🇧 United Kingdom | - |
| Hastings Hotels, Northern Ireland |
 hastingshotels.com
|
1001-5000 | Hospitality | 🇬🇧 United Kingdom | - |
| List Recruitment Limited |
 listrecruitment.co.uk
|
501-1000 | Staffing and Recruiting | 🇬🇧 United Kingdom | 1971 |
| RED HOUSE ESTATE LIMITED | redhouseproperty.co.uk | - | Accounting | 🇬🇧 United Kingdom | - |
| Farm Day Nurseries Ltd |
 farmdaynurseries.co.uk
|
201-500 | Child Day Care Services | 🇬🇧 United Kingdom | 2020 |
| Water Rokit |
 waterrokit.com
|
1-10 | Manufacturing | 🇬🇧 United Kingdom | 1983 |
| Hunt's Food Group | B Corp |
 huntsfoodgroup.co.uk
|
501-1000 | Wholesale | 🇬🇧 United Kingdom | 1912 |
| MCGUIRE + FARRY LIMITED |
 mcguirefarry.com
|
- | Accounting | 🇬🇧 United Kingdom | - |
| VPEG |
 vpeg.uk
|
51-200 | Machinery Manufacturing | 🇬🇧 United Kingdom | 1984 |
| PRISM Brain Mapping |
 prismbrainmapping.com
|
1-10 | Professional Training and Coaching | 🇬🇧 United Kingdom | - |
| Johnsons Cars Ltd |
johnsonscars.co.uk
|
1001-5000 | Retail Motor Vehicles | 🇬🇧 United Kingdom | 1999 |
| Media Design And Print |
 mediadesignandprint.com
|
11-50 | Printing Services | 🇬🇧 United Kingdom | 1986 |
| NP Aerospace |
 npaerospace.com
|
201-500 | Defense and Space Manufacturing | 🇬🇧 United Kingdom | 1926 |
| Tanglewood Care Homes |
 tanglewoodcarehomes.co.uk
|
501-1000 | Hospitals and Health Care | 🇬🇧 United Kingdom | 1989 |
| Normans Business Solutions Ltd |
 normansbusiness.co.uk
|
51-200 | Retail Office Equipment | 🇬🇧 United Kingdom | 1980 |
| Harlequin Motors Ltd |
 harlequinmotors.co.uk
|
11-50 | Vehicle Repair and Maintenance | 🇺🇳 - | 1971 |
| Dcservices. | dc.services | 1-10 | information technology and services | 🇬🇧 United Kingdom | 2014 |
| Clamcleats Ltd |
 clamcleat.com
|
201-500 | Appliances, Electrical, and Electronics Manufacturing | 🇬🇧 United Kingdom | 1965 |
| Return On Investment Ltd | roiltd.co.uk | 201-500 | Advertising Services | 🇬🇧 United Kingdom | 2003 |
| WEBSCRIBE LIMITED |
 webscribe.co.uk
|
1-10 | Periodical Publishing | 🇬🇧 United Kingdom | - |
| Milecross Financial |
 milecrossfs.co.uk
|
51-200 | Financial Services | 🇬🇧 United Kingdom | 2005 |
| Nixene Publishing |
 nixenepublishing.com
|
11-50 | Research | 🇬🇧 United Kingdom | 2017 |
| National Liberal Club |
 nlc.org.uk
|
11-50 | Hospitality | 🇬🇧 United Kingdom | 1882 |
| World Business Culture | worldbusinessculture.com | 1-10 | International Trade and Development | 🇬🇧 United Kingdom | 2010 |
| Speirs Gumley |
 speirsgumley.com
|
51-200 | Real Estate | 🇬🇧 United Kingdom | 1827 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
SMTP-Engine usage by industry
by TLD segment-
01 Construction 66 19.8%
-
02 Real Estate 30 9%
-
03 Staffing and Recruiting 21 6.3%
-
04 Accounting 19 5.7%
-
05 IT Services and IT Consulting 18 5.4%
-
06 Non-profit Organizations 16 4.8%
-
07 Industrial Machinery Manufacturing 16 4.8%
-
08 Financial Services 14 4.2%
-
09 Hospitals and Health Care 13 3.9%
-
10 Retail 13 3.9%
SMTP-Engine industry distribution chart
share by domain segmentSMTP-Engine users by company revenue
312 companiesTechnologies related to SMTP-Engine
SMTP ServicePut it to work
What teams do with the SMTP-Engine list
Competitor analysis
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Market research
Top markets for SMTP-Engine: United Kingdom (79.6%), United States (8.2%), Switzerland (3.3%). Size the SMTP Service market by geography before you build or invest.
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