Sendmail Open Source
Sendmail Open Source is An open-source email server software that provides secure email delivery and management for businesses.
Market Share of Sendmail Open Source
Current Customer(s)
5
Market Share (Est.)
0.03%
Ranking
#25
Top Competitors and Alternatives of Sendmail Open Source
The top three of Sendmail Open Source’s competitors in the Email Service Provider category are Elastic Email with 39.52%, GoDaddy Professional Email with 27.36%, Benchmark with 7.34% market share.
Popular Comparisons
Top Competitors and Alternatives of Sendmail Open Source
The top three of Sendmail Open Source’s competitors in the Email Service Provider category are Elastic Email with 39.52%, GoDaddy Professional Email with 27.36%, Benchmark with 7.34% market share.
Sendmail Open Source vs Elastic Email
Sendmail Open Source vs GoDaddy Professional Email
Sendmail Open Source vs Benchmark
Sendmail Open Source vs Robly
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Sendmail Open Source vs MasterBase
Customers of Sendmail Open Source
Around the world in 2026, over 5 companies have started using Sendmail Open Source as Email Service Provider tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Proofpoint | 1,000 - 4,999 | Sunnyvale | California | United States |     |
| Multimedia Consulting S.R.L. | 0 - 9 | Rome | Latium | Italy | |
| Bilfinger | 10,000+ | Mannheim | Baden-Wuerttemberg | Germany | |
| Bechtle | 10,000+ | Neckarsulm | Baden-Wuerttemberg | Germany | |
| Corelight | 250 - 499 | San Francisco | California | United States | |
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Sendmail Open Source Customers by Products and Services
The top three products and services offering customers that use Sendmail Open Source for Email Service Provider are Cybersecurity (3), Technical Support (2), Helpdesk (1).
Customers
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Sendmail Open Source Customers by Employee Size
The majority of Sendmail Open Source's customers for the email-service-provider category fall in the company size of 10,000+ employees (2 companies), 250 - 499 employees (1 companies), 1,000 - 4,999 employees (1 companies).
Employee Size
Sendmail Open Source Customers by Geography
The top three geographies of Sendmail Open Source for email-service-provider are the United States with 2(40.00%), Germany with 2(40.00%), Italy with 1(20.00%) customers respectively.
Customers
Employees of Sendmail Open Source
Also see other Products/Services by Sendmail Open Source in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Sendmail Open Source competitors?
Sendmail Open Source’s Top competitors in the email-service-provider category are Elastic Email, GoDaddy Professional Email, Benchmark. You can view a full list of Sendmail Open Source competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Sendmail Open Source and 40,000 other technologies on the internet. You can also compare Sendmail Open Source and its feature with top competitors here : Sendmail Open Source vs Elastic Email Sendmail Open Source vs GoDaddy Professional Email Sendmail Open Source vs Benchmark.
What is Sendmail Open Source customer distribution based on company size?
What is Sendmail Open Source market share in the email-service-provider?
What are the top countries that use Sendmail Open Source?
What are the top industries that use Sendmail Open Source?
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