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Postmark Market Share & Usage Stats
Email delivery for web apps.
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Get Key InsightsSite Totals
654,008
Market share
0.01%
Category
Email Services
Sub-category
Transactional Emails
Paid or free
Free/Paid
As of March 14, 2026, a total of 654,008 websites have been identified using this technology. The highest concentration of usage is in United States, showcasing its widespread adoption in the region. Among all sites leveraging this platform, quizlet.com stands out as the most visited, demonstrating the significant role this technology plays in the digital landscape.
Top websites using Postmark
The largest website using Postmark is quizlet.com, followed by udemy.com
Postmark usage by country
Postmark's is primarily used in United States, followed by Brazil and India.
Top Countries
Postmark
As of March 14, 2026, Postmark is actively used across various regions, with significant adoption in United States and Brazil.
See Full InsightsPostmark usage by industry
Postmark is mostly used in the News & Media Publishers industry, followed by Computers Electronics and Technology > Programming and Developer Software.
Industry
News & Media Publishers
12%
Computers Electronics and Technology > Programming and Developer Software
9%
Lifestyle > Fashion and Apparel
7%
Other
72%
Postmark alternatives & related technologies
The top alternative to Postmark is G Suite, followed by Sendgrid. Click below to analyze and compare these technologies' market share and audience.
Technology
Category
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Paid
Email Services
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Email Services
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Email Services
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