250ok offers a SaaS-based platform to monitor and measure the deliverability of email networks.
Current Customer(s)
Market Share (Est.)
Ranking
The top three of 250ok’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% | 250ok vs Litmus |
| SquirrelMail | 1043 | 13.16% | 250ok vs SquirrelMail |
| SocketLabs | 760 | 9.59% | 250ok vs SocketLabs |
| Email On Acid | 594 | 7.50% | 250ok vs Email On Acid |
| SparkPost | 412 | 5.20% | 250ok vs SparkPost |
| PowerMTA | 296 | 3.74% | 250ok vs PowerMTA |
| WhatCounts | 252 | 3.18% | 250ok vs WhatCounts |
| DataValidation | 247 | 3.12% | 250ok vs DataValidation |
| MasterBase | 247 | 3.12% | 250ok vs MasterBase |
| Postmark | 230 | 2.90% | 250ok vs Postmark |
| Mailtrap | 180 | 2.27% | 250ok vs Mailtrap |
| Pepipost | 170 | 2.15% | 250ok vs Pepipost |
| SMTP2GO | 147 | 1.85% | 250ok vs SMTP2GO |
| Netcore Email API | 122 | 1.54% | 250ok vs Netcore Email API |
| SMTP.com | 80 | 1.01% | 250ok vs SMTP.com |
| BriteVerify | 61 | 0.77% | 250ok vs BriteVerify |
| turboSMTP | 60 | 0.76% | 250ok vs turboSMTP |
| eDataSource | 35 | 0.44% | 250ok vs eDataSource |
| EmailDelivered | 19 | 0.24% | 250ok vs EmailDelivered |
| CritSend | 18 | 0.23% | 250ok vs CritSend |
Popular Comparisons
The top three of 250ok’s competitors in the Email Deliverability category are Litmus with 34.97%, SquirrelMail with 13.16%, SocketLabs with 9.59% market share.
250ok vs Litmus
250ok vs SquirrelMail
250ok vs SocketLabs
250ok vs Email On Acid
250ok vs SparkPost
250ok vs PowerMTA
250ok vs WhatCounts
250ok vs DataValidation
Around the world in 2026, over 101 companies have started using 250ok as Email Deliverability tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Western Governors University | 10,000+ | Salt Lake City | Utah | United States | |
| Liberty Mutual Surety | 10,000+ | Boston | Massachusetts | United States | |
| Adobe | 10,000+ | San Jose | California | United States | |
| Merkle | 10,000+ | Columbia | Maryland | United States | |
| Hackensack Meridian Health | 10,000+ | Edison | New Jersey | United States | |
| The Avon Company | 10,000+ | New York City | New York | United States | |
| IQVIA | 10,000+ | Durham | North Carolina | United States | |
| Global Payments, Inc. | 10,000+ | Atlanta | Georgia | United States | |
| Expedia Group | 10,000+ | Seattle | Washington | United States | |
| Safelite | 10,000+ | Columbus | Ohio | United States |
The top three products and services offering customers that use 250ok for Email Deliverability are Email Marketing (7), Marketing Automation (5), Social Media (5).
Customers
The majority of 250ok's customers for the email-deliverability category fall in the company size of 100 - 249 employees (27 companies), 10,000+ employees (22 companies), 1,000 - 4,999 employees (17 companies).
Employee Size
The top three geographies of 250ok for email-deliverability are the United States with 71(73.20%), United Kingdom with 7(7.22%), France with 4(4.12%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top 250ok competitors?
250ok’s Top competitors in the email-deliverability category are Litmus, SquirrelMail, SocketLabs. You can view a full list of 250ok competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of 250ok and 40,000 other technologies on the internet. You can also compare 250ok and its feature with top competitors here : 250ok vs Litmus 250ok vs SquirrelMail 250ok vs SocketLabs.
What is 250ok customer distribution based on company size?
What is 250ok market share in the email-deliverability?
What are the top countries that use 250ok?
What are the top industries that use 250ok?
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