List of Postmark Customers
ActiveCampaign
1 North Dearborn St 5th Floor,
Chicago, 60602, IL,
United States
Chicago, 60602, IL,
United States
1 800-357-0402
Professional Services
1000
$150M
Since 2010, our global team of researchers has been studying Postmark customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Postmark for Transactional Email from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Postmark for Transactional Email include: Ecosmart United States, a United States based Retail organisation with 419600 employees and revenues of $147.01 billion, REWE, a Germany based Manufacturing organisation with 380000 employees and revenues of $111.00 billion, REWE Group, a Germany based Retail organisation with 390000 employees and revenues of $99.10 billion, Brookfield Corporation, a Canada based Banking and Financial Services organisation with 202500 employees and revenues of $92.77 billion, Uniper, a Germany based Utilities organisation with 7431 employees and revenues of $81.55 billion and many others.
Contact us if you need a completed and verified list of companies using Postmark, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The Postmark customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Skeey Interactive | Professional Services | 10 | $1M | United States | ActiveCampaign | Postmark | Transactional Email | 2020 | n/a |
In 2020 Skeey Interactive implemented Postmark for Transactional Email on its public website. Postmark is used to centralize site-driven transactional messaging and to manage SMTP and API delivery for user-facing notification streams.
Configuration focuses on core transactional capabilities such as template management, API key provisioning, message streams, inbound processing and webhook-based event handling for deliveries and bounces. The Postmark implementation leverages template and API workflows to enforce consistent message formatting and delivery headers across transactional sends.
Integration is implemented at the website application layer, where server side code invokes Postmark APIs or SMTP to trigger transactional sends from user events including account notifications and password resets. Operational responsibility is concentrated within the small product and engineering team, with Postmark providing mailbox placement visibility and webhook callbacks for event logging.
Governance is lightweight and centers on centralized API key management, template version control and webhook configuration for bounce handling and suppression. Postmark supplies the Transactional Email infrastructure for Skeey Interactive's site based messaging, providing centralized message streams and delivery monitoring without additional named system integrations.
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TravelAI Solutions | Professional Services | 25 | $2M | Canada | ActiveCampaign | Postmark | Transactional Email | 2023 | n/a |
In 2023 TravelAI Solutions deployed Postmark for Transactional Email on their website. The Postmark implementation centralizes transactional message delivery for customer communications and operational notifications, using the Postmark API and SMTP endpoints embedded in the website back end to drive confirmations, alerts, and account messages.
Operational scope covers the company website and associated customer-facing workflows across product and support functions. The deployment includes template management for HTML and plain text messages, delivery and bounce tracking, webhook event ingestion for delivery status and inbound events, and domain authentication configuration such as SPF and DKIM. Governance focused on template versioning, access control for editing message templates, and event logging to support operational troubleshooting.
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1 & 2 Electric | Construction and Real Estate | 30 | $6M | Canada | ActiveCampaign | Postmark | Transactional Email | 2020 | n/a |
In 2020, 1 & 2 Electric implemented Postmark for Transactional Email to handle website-driven transactional messaging. Postmark is instrumented on their public website to centralize automated customer communications triggered by site interactions, including contact form confirmations and service appointment notifications. The implementation focuses on Transactional Email functionality to ensure template management, delivery tracking, and bounce handling are managed outside the core web application.
The deployment reflects a lightweight SaaS integration appropriate for a 30 person construction firm, with operational scope concentrated on customer-facing email workflows originating from the website. Configuration and template management are maintained at the application level by internal staff responsible for customer communications and site administration. Governance centers on access controls and message templates, aligning operational ownership with marketing and service coordination functions.
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1 Mont Kiara | Retail | 26 | $3M | Malaysia | ActiveCampaign | Postmark | Transactional Email | 2023 | n/a |
In 2023, 1 Mont Kiara deployed Postmark to provide Transactional Email capabilities on its public website. The implementation uses Postmark as the site’s outbound transactional channel for customer notifications and system messages, integrating the storefront with Postmark via SMTP and API endpoints to deliver order confirmations, account notices, and other programmatic emails. The deployment footprint is web-native and proportionate to a 26 person retail operation, focused on the Malaysia based e-commerce site rather than enterprise messaging infrastructure.
Postmark is implemented with transactional templates, inbound and outbound message streams, and webhook event handling to manage delivery receipts, bounces, and complaints, supporting standard transactional email workflows. Governance is handled through the Postmark console using template versioning, suppression lists, and email authentication controls to preserve deliverability and compliance. 1 Mont Kiara uses Postmark for Transactional Email to support customer communications and order operations driven directly from the website.
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1-2-1 Marketing | Professional Services | 10 | $1M | United States | ActiveCampaign | Postmark | Transactional Email | 2016 | n/a |
In 2016, 1-2-1 Marketing implemented Postmark for Transactional Email on its website. The deployment uses Postmark to handle site-originated transactional messaging, leveraging Postmark features such as SMTP and API sending, template management, and event-based delivery to support contact form notifications and other customer-facing notifications typical of a Transactional Email solution.
Postmark is operated in a compact, company-level configuration appropriate for a 10 person professional services firm, with the website as the primary sending source. The company also lists ActiveCampaign as a vendor in its technology footprint, suggesting a separate marketing automation capability, though no explicit Postmark to ActiveCampaign integration is documented in the available source. Operational governance and configuration are centered on web-triggered flows and template controls, aligning Postmark functionality with the firms site-driven notification and transactional messaging needs.
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Healthcare | 10 | $1M | Canada | ActiveCampaign | Postmark | Transactional Email | 2020 | n/a |
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Professional Services | 100 | $10M | Brazil | ActiveCampaign | Postmark | Transactional Email | 2022 | n/a |
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Retail | 51 | $5M | United Kingdom | ActiveCampaign | Postmark | Transactional Email | 2013 | n/a |
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Manufacturing | 1306 | $611M | United States | ActiveCampaign | Postmark | Transactional Email | 2021 | n/a |
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Banking and Financial Services | 250 | $35M | United Kingdom | ActiveCampaign | Postmark | Transactional Email | 2024 | n/a |
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Buyer Intent: Companies Evaluating Postmark
ARTW Buyer Intent uncovers actionable customer signals, identifying software buyers actively evaluating Postmark. Gain ongoing access to real-time prospects and uncover hidden opportunities. Companies Actively Evaluating Postmark for Transactional Email include:
- Lee County Electric Cooperative, a United States based Utilities organization with 375 Employees
Discover Software Buyers actively Evaluating Enterprise Applications
| Logo | Company | Industry | Employees | Revenue | Country | Evaluated |
|---|---|---|---|---|---|---|
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Lee County Electric Cooperative | Utilities | 375 | $184M | United States | 2025-01-29 |
FAQ - APPS RUN THE WORLD Postmark Coverage
Postmark is a Transactional Email solution from ActiveCampaign.
Companies worldwide use Postmark, from small firms to large enterprises across 21+ industries.
Organizations such as Ecosmart United States, REWE, REWE Group, Brookfield Corporation and Uniper are recorded users of
Postmark for Transactional Email.
Companies using Postmark are most concentrated in Retail, Manufacturing and Banking and Financial Services, with adoption spanning over 21 industries.
Companies using Postmark are most concentrated in United States, Germany and Canada, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Postmark across Americas, EMEA, and APAC.
Companies using Postmark range from small businesses with 0-100 employees - 71.76%, to mid-sized firms with 101-1,000 employees - 22.11%, large organizations with 1,001-10,000 employees - 5.21%, and global enterprises with 10,000+ employees - 0.93%.
Customers of Postmark include firms across all revenue levels — from $0-100M, to $101M-$1B, $1B-$10B, and $10B+ global corporations.
Contact APPS RUN THE WORLD to access the full verified Postmark customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of Transactional Email.