Postmark
Postmark provides transactional email delivery for web apps with minimal setup time and maintenance.
Market Share of Postmark
Current Customer(s)
133
Market Share (Est.)
1.55%
Ranking
#8
Top Competitors and Alternatives of Postmark
The top three of Postmark’s competitors in the Email Deliverability category are SocketLabs with 44.64%, Litmus with 13.50%, MasterBase with 12.40% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| SocketLabs | 3843 | 44.64% | Postmark vs SocketLabs |
| Litmus | 1162 | 13.50% | Postmark vs Litmus |
| MasterBase | 1067 | 12.40% | Postmark vs MasterBase |
| SquirrelMail | 996 | 11.57% | Postmark vs SquirrelMail |
| Pepipost | 418 | 4.86% | Postmark vs Pepipost |
| WhatCounts | 209 | 2.43% | Postmark vs WhatCounts |
| PowerMTA | 159 | 1.85% | Postmark vs PowerMTA |
| SparkPost | 130 | 1.51% | Postmark vs SparkPost |
| Email On Acid | 88 | 1.02% | Postmark vs Email On Acid |
| SMTP2GO | 86 | 1.00% | Postmark vs SMTP2GO |
| 250ok | 43 | 0.50% | Postmark vs 250ok |
| Mailtrap | 39 | 0.45% | Postmark vs Mailtrap |
| DataValidation | 36 | 0.42% | Postmark vs DataValidation |
| SendForensics | 36 | 0.42% | Postmark vs SendForensics |
| CritSend | 27 | 0.31% | Postmark vs CritSend |
| SMTP.com | 27 | 0.31% | Postmark vs SMTP.com |
| BriteVerify | 20 | 0.23% | Postmark vs BriteVerify |
| eDataSource | 19 | 0.22% | Postmark vs eDataSource |
| EmailDelivered | 16 | 0.19% | Postmark vs EmailDelivered |
| InboxFirst | 11 | 0.13% | Postmark vs InboxFirst |
Popular Comparisons
Top Competitors and Alternatives of Postmark
The top three of Postmark’s competitors in the Email Deliverability category are SocketLabs with 44.64%, Litmus with 13.50%, MasterBase with 12.40% market share.
Postmark vs SocketLabs
Postmark vs Litmus
Postmark vs MasterBase
Postmark vs SquirrelMail
Postmark vs Pepipost
Postmark vs WhatCounts
Postmark vs PowerMTA
Postmark vs SparkPost
Customers of Postmark
Around the world in 2024, over 133 companies have started using Postmark as Email Deliverability tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| NetApp, Inc. | 10,000+ | Sunnyvale | California | United States |     |
| Canada Post | 10,000+ | Ottawa | Ontario | Canada | |
| Sage Group Plc | 10,000+ | Newcastle upon Tyne | England | United Kingdom | |
| ATI Physical Therapy | 5,000 - 9,999 | Bolingbrook | Illinois | United States | |
| ActiveCampaign | 500 - 999 | Chicago | Illinois | United States | |
| Kilo Health | 500 - 999 | Vilnius | Vilnius | Lithuania | |
| Kreydle Sdn Bhd | 500 - 999 | Petaling Jaya | Selangor | Malaysia | |
| Hugo Tech | 500 - 999 | Chicago | Illinois | United States | |
| Venture Garden Group | 250 - 499 | Lagos | Lagos | Nigeria | |
| Wave | 250 - 499 | Toronto | Ontario | Canada | |
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Postmark Customers by Products and Services
The top three products and services offering customers that use Postmark for Email Deliverability are Saas (7), Software (5), Education (4).
Customers
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Postmark Customers by Employee Size
The majority of Postmark's customers for the email-deliverability category fall in the company size of 20 - 49 employees (25 companies), 0 - 9 employees (25 companies), 100 - 249 employees (19 companies).
Employee Size
Postmark Customers by Geography
The top three geographies of Postmark for email-deliverability are the United States with 85(69.67%), United Kingdom with 13(10.66%), Canada with 6(4.92%) customers respectively.
Customers
Employees of Postmark
Also see other Products/Services by Postmark in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Postmark competitors?
Postmark’s Top competitors in the email-deliverability category are SocketLabs, Litmus, MasterBase. You can view a full list of Postmark competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Postmark and 40,000 other technologies on the internet. You can also compare Postmark and its feature with top competitors here : Postmark vs SocketLabs Postmark vs Litmus Postmark vs MasterBase.
What is Postmark customer distribution based on company size?
What is Postmark market share in the email-deliverability?
What are the top countries that use Postmark?
What are the top industries that use Postmark?
Justine Lyon
Senior VP of Sales, Ally
At my previous organization we used Zoominfo and LInkedIn Navigator for contact, Bombora for intent and DiscoverOrg for account info. When I joined Ally where we use 6sense, I found it to be as valuable as all the other tools combined!
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