Postbox
Postbox offers a desktop email software that allows users to streamline and manage their email activities on a single interface.
Market Share of Postbox
Current Customer(s)
2
Market Share (Est.)
0.00%
Ranking
#29
Top Competitors and Alternatives of Postbox
The top three of Postbox’s competitors in the Email Client category are Microsoft Outlook with 87.77%, Amazon WorkMail with 8.26%, Zimbra with 1.96% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Microsoft Outlook | 307511 | 87.77% | Postbox vs Microsoft Outlook |
| Amazon WorkMail | 28926 | 8.26% | Postbox vs Amazon WorkMail |
| Zimbra | 6865 | 1.96% | Postbox vs Zimbra |
| Yahoo Business Mail | 2305 | 0.66% | Postbox vs Yahoo Business Mail |
| Salesforce Inbox | 2061 | 0.59% | Postbox vs Salesforce Inbox |
| HCL Notes | 583 | 0.17% | Postbox vs HCL Notes |
| Apple Mail | 526 | 0.15% | Postbox vs Apple Mail |
| Roundcube | 477 | 0.14% | Postbox vs Roundcube |
| Logix Cloud Email | 300 | 0.09% | Postbox vs Logix Cloud Email |
| MDaemon Email Server | 197 | 0.06% | Postbox vs MDaemon Email Server |
| eM Client | 149 | 0.04% | Postbox vs eM Client |
| Gaggle Mail | 93 | 0.03% | Postbox vs Gaggle Mail |
| Hiri | 59 | 0.02% | Postbox vs Hiri |
| PreVeil | 52 | 0.01% | Postbox vs PreVeil |
| Rambox | 47 | 0.01% | Postbox vs Rambox |
| SmarterMail | 37 | 0.01% | Postbox vs SmarterMail |
| HCL Verse | 31 | 0.01% | Postbox vs HCL Verse |
| Afterlogic Webmail | 27 | 0.01% | Postbox vs Afterlogic Webmail |
| RainLoop | 21 | 0.01% | Postbox vs RainLoop |
| Mail-in-a-box | 18 | 0.01% | Postbox vs Mail-in-a-box |
Popular Comparisons
Top Competitors and Alternatives of Postbox
The top three of Postbox’s competitors in the Email Client category are Microsoft Outlook with 87.77%, Amazon WorkMail with 8.26%, Zimbra with 1.96% market share.
Postbox vs Microsoft Outlook
Postbox vs Amazon WorkMail
Postbox vs Zimbra
Postbox vs Yahoo Business Mail
Postbox vs Salesforce Inbox
Postbox vs HCL Notes
Postbox vs Apple Mail
Postbox vs Roundcube
Customers of Postbox
Around the world in 2026, over 2 companies have started using Postbox as Email Client tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Fuse | 100 - 249 | London | England | United Kingdom |     |
| Relationships Scotland Tayside & Fife | 20 - 49 | Dundee | Scotland | United Kingdom | |
Uncover hidden demand and identify accounts ready to buy with 6sense Intent Data.
Postbox Customers by Products and Services
The top three products and services offering customers that use Postbox for Email Client are Product innovation (1), Content creation (1), Creative design (1).
Customers
Download the 6sense Chrome Extension to get verified contact data of Postbox employees
Install Now
Postbox Customers by Employee Size
The majority of Postbox's customers for the email-client category fall in the company size of 20 - 49 employees (1 companies), 100 - 249 employees (1 companies).
Employee Size
Postbox Customers by Geography
The top three geographies of Postbox for email-client are the United Kingdom with 2(100.00%) customers respectively.
Customers
Employees of Postbox
Also see other Products/Services by Postbox in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Postbox competitors?
Postbox’s Top competitors in the email-client category are Microsoft Outlook, Amazon WorkMail, Zimbra. You can view a full list of Postbox competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Postbox and 40,000 other technologies on the internet. You can also compare Postbox and its feature with top competitors here : Postbox vs Microsoft Outlook Postbox vs Amazon WorkMail Postbox vs Zimbra.
What is Postbox customer distribution based on company size?
What is Postbox market share in the email-client?
What are the top countries that use Postbox?
What are the top industries that use Postbox?
Get everything in one place
Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.
Get a demoInterested in 6sense for your organization?
Book a Demo
