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List of Fastmail Customers

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Logo Customer Industry Empl. Revenue Country Vendor Application Category When SI Insight Insight Source
0Lat Professional Services 10 $1M United States Fastmail Fastmail Transactional Email 2015 n/a In 2015, 0Lat implemented Fastmail as its Transactional Email provider for website-generated messaging. The deployment uses Fastmail to handle outbound messages from the company website, including contact form submissions and client notification emails, and to provide hosted mailboxes for administrative and support use. This configuration reflects a small business cloud-first architecture, avoiding on-premises mail servers and centralizing email infrastructure in the Fastmail service. Configuration work focused on domain authentication and mail flow, using SMTP relay and routing rules alongside DNS record updates for SPF and DKIM to support deliverability. Operational coverage targets customer-facing business functions such as support and client communications, with a compact administrative model where a small internal team manages mailboxes, aliases, and message templates via the Fastmail console. Ongoing governance emphasizes mailbox management and routine monitoring to preserve routing integrity and inbox hygiene.
11Sight Professional Services 10 $1M United States Fastmail Fastmail Transactional Email 2015 n/a In 2015, 11Sight implemented Fastmail as its Transactional Email provider on the company website. Fastmail was configured to manage website-driven customer messaging and notification workflows, using SMTP and API-based delivery, template-driven notifications, and basic inbound routing consistent with Transactional Email capabilities. The implementation focused on embedding Fastmail send flows into site event handlers to automate confirmations and user notifications generated by the web interface. Operational ownership was held by product and support functions within the ten person organization, with template management, sending domain configuration, and deliverability settings administered through the Fastmail console. The deployment centralized outbound message orchestration on the website, aligning email authentication and sending controls with the site infrastructure to maintain a lightweight, directly integrated communication channel for customer-facing notifications.
1300 Flowers Retail 10 $1M Australia Fastmail Fastmail Transactional Email 2021 n/a In 2021, 1300 Flowers implemented Fastmail for Transactional Email to handle website-driven customer messaging. Fastmail is used on the 1300 Flowers website to support e-commerce communications including order confirmations, shipping notifications, and account messages. Deployment reflects a small enterprise footprint, with Fastmail configured as the outbound transactional service via API or SMTP relay and managed through template and credential controls. Functional capabilities implemented include template management, authentication and deliverability configuration such as SPF and DKIM, and bounce and complaint handling workflows common to Transactional Email platforms. Operational ownership sits with e-commerce and customer service functions supporting the Australian site, with governance centered on template version control and sending policies to ensure consistent customer messaging.
Professional Services 10 $2M Singapore Fastmail Fastmail Transactional Email 2019 n/a
Automotive 100 $10M United States Fastmail Fastmail Transactional Email 2021 n/a
Media 10 $1M United States Fastmail Fastmail Transactional Email 2022 n/a
Professional Services 10 $1M United States Fastmail Fastmail Transactional Email 2017 n/a
Professional Services 13 $2M Singapore Fastmail Fastmail Transactional Email 2016 n/a
Manufacturing 10 $1M United States Fastmail Fastmail Transactional Email 2012 n/a
Professional Services 10 $2M Singapore Fastmail Fastmail Transactional Email 2023 n/a
Showing 1 to 10 of 1384 entries

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FAQ - APPS RUN THE WORLD Fastmail Coverage

Fastmail is a Transactional Email solution from Fastmail.

Companies worldwide use Fastmail, from small firms to large enterprises across 21+ industries.

Organizations such as China Merchants Group, Bank of Jiangsu, City of Boston, QuidelOrtho and Indeed are recorded users of Fastmail for Transactional Email.

Companies using Fastmail are most concentrated in Professional Services, Banking and Financial Services and Government, with adoption spanning over 21 industries.

Companies using Fastmail are most concentrated in China and United States, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Fastmail across Americas, EMEA, and APAC.

Companies using Fastmail range from small businesses with 0-100 employees - 94.44%, to mid-sized firms with 101-1,000 employees - 4.26%, large organizations with 1,001-10,000 employees - 0.94%, and global enterprises with 10,000+ employees - 0.36%.

Customers of Fastmail 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 Fastmail customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of Transactional Email.