SMTP2GO
SMTP2GO is a reliable SMTP server that lets you send emails from anywhere in the world.
Market Share of SMTP2GO
Current Customer(s)
147
Market Share (Est.)
1.85%
Ranking
#13
Top Competitors and Alternatives of SMTP2GO
The top three of SMTP2GO’s competitors in the Email Deliverability category are Litmus with 34.97%, SquirrelMail with 13.16%, SocketLabs with 9.59% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Litmus | 2771 | 34.97% | SMTP2GO vs Litmus |
| SquirrelMail | 1043 | 13.16% | SMTP2GO vs SquirrelMail |
| SocketLabs | 760 | 9.59% | SMTP2GO vs SocketLabs |
| Email On Acid | 594 | 7.50% | SMTP2GO vs Email On Acid |
| SparkPost | 412 | 5.20% | SMTP2GO vs SparkPost |
| PowerMTA | 296 | 3.74% | SMTP2GO vs PowerMTA |
| WhatCounts | 252 | 3.18% | SMTP2GO vs WhatCounts |
| DataValidation | 247 | 3.12% | SMTP2GO vs DataValidation |
| MasterBase | 247 | 3.12% | SMTP2GO vs MasterBase |
| Postmark | 230 | 2.90% | SMTP2GO vs Postmark |
| Mailtrap | 180 | 2.27% | SMTP2GO vs Mailtrap |
| Pepipost | 170 | 2.15% | SMTP2GO vs Pepipost |
| Netcore Email API | 122 | 1.54% | SMTP2GO vs Netcore Email API |
| 250ok | 101 | 1.27% | SMTP2GO vs 250ok |
| SMTP.com | 80 | 1.01% | SMTP2GO vs SMTP.com |
| BriteVerify | 61 | 0.77% | SMTP2GO vs BriteVerify |
| turboSMTP | 60 | 0.76% | SMTP2GO vs turboSMTP |
| eDataSource | 35 | 0.44% | SMTP2GO vs eDataSource |
| EmailDelivered | 19 | 0.24% | SMTP2GO vs EmailDelivered |
| CritSend | 18 | 0.23% | SMTP2GO vs CritSend |
Popular Comparisons
Top Competitors and Alternatives of SMTP2GO
The top three of SMTP2GO’s competitors in the Email Deliverability category are Litmus with 34.97%, SquirrelMail with 13.16%, SocketLabs with 9.59% market share.
SMTP2GO vs Litmus
SMTP2GO vs SquirrelMail
SMTP2GO vs SocketLabs
SMTP2GO vs Email On Acid
SMTP2GO vs SparkPost
SMTP2GO vs PowerMTA
SMTP2GO vs WhatCounts
SMTP2GO vs DataValidation
Customers of SMTP2GO
Around the world in 2026, over 144 companies have started using SMTP2GO as Email Deliverability tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| NHS | 10,000+ | London | England | United Kingdom |     |
| Toshiba Corporation | 10,000+ | Tokyo | Tokyo | Japan | |
| Edenred | 10,000+ | Issy-les-Moulineaux | Ile-de-France | France | |
| The Wendy's Company | 10,000+ | Dublin | Ohio | United States | |
| Ricoh Company, Ltd. | 10,000+ | Tokyo | Tokyo | Japan | |
| HP | 10,000+ | Palo Alto | California | United States | |
| Vellore Institute Of Technology | 10,000+ | Vellore | Tamil Nadu | India | |
| Groupe ONCF | 10,000+ | Rabat | Rabat-Sale-Kenitra | Morocco | |
| PythonAnywhere | 5,000 - 9,999 | London | England | United Kingdom | |
| Suran | 1,000 - 4,999 | Versailles | Kentucky | United States | |
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SMTP2GO Customers by Products and Services
The top three products and services offering customers that use SMTP2GO for Email Deliverability are Cloud Services (4), Retail (4), Software (3).
Customers
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SMTP2GO Customers by Employee Size
The majority of SMTP2GO's customers for the email-deliverability category fall in the company size of 0 - 9 employees (48 companies), 20 - 49 employees (25 companies), 100 - 249 employees (19 companies).
Employee Size
SMTP2GO Customers by Geography
The top three geographies of SMTP2GO for email-deliverability are the United States with 50(42.74%), United Kingdom with 17(14.53%), India with 12(10.26%) customers respectively.
Customers
Employees of SMTP2GO
Also see other Products/Services by SMTP2GO in:
FAQ
Find answers to the most often asked questions by users.
Who are the top SMTP2GO competitors?
SMTP2GO’s Top competitors in the email-deliverability category are Litmus, SquirrelMail, SocketLabs. You can view a full list of SMTP2GO competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of SMTP2GO and 40,000 other technologies on the internet. You can also compare SMTP2GO and its feature with top competitors here : SMTP2GO vs Litmus SMTP2GO vs SquirrelMail SMTP2GO vs SocketLabs.
What is SMTP2GO customer distribution based on company size?
What is SMTP2GO market share in the email-deliverability?
What are the top countries that use SMTP2GO?
What are the top industries that use SMTP2GO?
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