Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar s...Read more
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Mail-in-a-box’s competitors in the Email Client category are Microsoft Outlook with 87.77%, Amazon WorkMail with 8.26%, Zimbra with 1.96% market share.
Popular Comparisons
The top three of Mail-in-a-box’s competitors in the Email Client category are Microsoft Outlook with 87.77%, Amazon WorkMail with 8.26%, Zimbra with 1.96% market share.
Mail-in-a-box vs Microsoft Outlook
Mail-in-a-box vs Amazon WorkMail
Mail-in-a-box vs Zimbra
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Around the world in 2026, over 18 companies have started using Mail-in-a-box as Email Client tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| United States Postal Service | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| Marlabs | 10,000+ | New York City | New York | United States | |
| Upwork | 10,000+ | San Francisco | California | United States | |
| Broadcom | 10,000+ | Palo Alto | California | United States | |
| Fiverr | 10,000+ | Tel Aviv | Tel Aviv | Israel | |
| ReBIT | Reserve Bank Information Technology Pvt. Ltd. | 500 - 999 | Navi Mumbai | Maharashtra | India | |
| Kenneth Copeland Ministries | 500 - 999 | Fort Worth | Texas | United States | |
| Sporta | 100 - 249 | Westerlo | Flanders | Belgium | |
| Ivory Worldwide | 100 - 249 | London | England | United Kingdom | |
| Ascentio Technologies SA | 100 - 249 | Cordoba | Cordoba | Argentina |
The top three products and services offering customers that use Mail-in-a-box for Email Client are Freelance (2), Data Analytics (1), Network Management (1).
Customers
The majority of Mail-in-a-box's customers for the email-client category fall in the company size of 10,000+ employees (5 companies), 20 - 49 employees (4 companies), 0 - 9 employees (3 companies).
Employee Size
The top three geographies of Mail-in-a-box for email-client are the United States with 9(50.00%), India with 2(11.11%), United Arab Emirates with 1(5.56%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Mail-in-a-box competitors?
Mail-in-a-box’s Top competitors in the email-client category are Microsoft Outlook, Amazon WorkMail, Zimbra. You can view a full list of Mail-in-a-box competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Mail-in-a-box and 40,000 other technologies on the internet. You can also compare Mail-in-a-box and its feature with top competitors here : Mail-in-a-box vs Microsoft Outlook Mail-in-a-box vs Amazon WorkMail Mail-in-a-box vs Zimbra.
What is Mail-in-a-box customer distribution based on company size?
What is Mail-in-a-box market share in the email-client?
What are the top countries that use Mail-in-a-box?
What are the top industries that use Mail-in-a-box?
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