Top Companies Using Postfix

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Unify teams, strategies, and data-driven technologies
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Define markets, discover ideal buyers
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Convert contacts into pipeline
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Reach ready-to-buy prospects
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Turn page views into pipeline
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Streamline phone and email outreach
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Identify, engage, and route visitors
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1,210 companies using this technology

Postfix is a free and open-source mail transfer agent that routes and delivers electronic mail.

Top industries utilizing this technology

Business Services
Software
Custom Software & IT Services
Education
Colleges & Universities

1-10 of 1,210 Companies using Postfix

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1
Amazon
Technologies used by the company: 3,036
Amazon is a global e-commerce and cloud computing company founded in 1994 and headquartered in Seattle, Washington. The company operates through three main segments: North America, International, and Amazon Web Services (AWS). Amazon's retail platfor m offers millions of products across numerous categories through websites including amazon.com, amazon.ca, amazon.fr, amazon.de, and many others worldwide. The company manufactures electronic devices such as Kindle e-readers, Fire tablets, Fire TVs, and Echo smart speakers. Amazon provides services including AWS cloud computing, Kindle Direct Publishing for authors, marketplace platforms for third-party sellers, digital content streaming, and Amazon Prime membership program offering benefits like free shipping and media streaming. The company serves diverse customer segments including consumers, merchants, content creators, and enterprise clients across global markets. Read more
Additional technologies used by Amazon:
Apache Log4j
Ab Initio
Infinite Telecom
See 3,036 technologies
2
Walmart
Technologies used by the company: 2,645
Walmart Inc. engages in the operation of retail, wholesale, other units, and eCommerce worldwide. The company operates through three segments: Walmart U.S., Walmart International, and Sam's Club. It operates supercenters, supermarkets, hypermarkets, warehouse clubs, cash and carry stores, and discount stores under Walmart and Walmart Neighborhood Market brands; membership-only warehouse clubs; ecommerce websites, such as walmart.com.mx, walmart.ca, flipkart.com, PhonePe and other sites; and mobile commerce applications. The company offers grocery and consumables, including dairy, meat, bakery, deli, produce, dry, chilled or frozen packaged foods, alcoholic and nonalcoholic beverages, floral, snack foods, candy, other grocery items, health and beauty aids, paper goods, laundry and home care, baby care, pet supplies, and other consumable items; fuel, tobacco and other categories. It is also involved in the provision of health and wellness products covering pharmacy, optical and hearing services, and over-the-counter drugs and other medical products; and home and apparel including home improvement, outdoor living, gardening, furniture, apparel, jewelry, tools and power equipment, housewares, toys, seasonal items, mattresses and tire and battery centers. In addition, the company offers consumer electronics and accessories, software, video games, office supplies, appliances, and third-party gift cards. Further, it operates digital payment platforms; and offers financial services and related products, including money transfers, bill payments, money orders, check cashing, prepaid access, co-branded credit cards, installment lending, and earned wage access. Additionally, the company markets lines of merchandise under private brands, including Allswell, Athletic Works, Equate, and Free Assembly. Read more
Additional technologies used by Walmart:
BlackBerry Enterprise Server
Cinema 4D
Apache Log4j
See 2,645 technologies
3
Apple
Technologies used by the company: 2,335
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services. Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronal d Wayne, Apple has established itself as a global leader in innovation, known for creating premium products that integrate hardware, software, and services into a seamless ecosystem. The company's business model centers on delivering high-quality, user-friendly devices with distinctive industrial design and intuitive interfaces, complemented by a growing portfolio of digital services and subscription offerings. Apple operates through a vertically integrated approach, maintaining control over the entire product development process from design through manufacturing and retail distribution. The company's value proposition emphasizes product differentiation through proprietary technologies, seamless device integration, and a focus on user privacy and security. Apple serves diverse customer segments including tech enthusiasts, creative professionals, students, enterprises, and mass-market consumers through multiple channels including its iconic retail stores, online platforms, and authorized resellers worldwide. The company's integrated ecosystem strategy encourages customer loyalty by creating interconnected experiences across devices and services, positioning Apple as both a technology innovator and lifestyle brand. With substantial investments in research and development, Apple continues to explore emerging technologies while maintaining its commitment to design excellence, quality craftsmanship, and superior user experience that have defined the brand since its inception. Read more
Additional technologies used by Apple:
HEC-RAS
BlackBerry Enterprise Server
Cinema 4D
See 2,335 technologies
4
UnitedHealth Group
Technologies used by the company: 2,809
Founded in 1977, UnitedHealth Group is a leading health insurance and healthcare services company. The organization provides a comprehensive range of health insurance plans, including medical, dental, vision, and life insurance coverage for individua ls and businesses. UnitedHealth Group also offers healthcare delivery services, technology solutions, and pharmacy benefits management through its diverse portfolio of subsidiaries operating across multiple countries worldwide. Read more
Additional technologies used by UnitedHealth Group:
Apache Log4j
Ab Initio
Revolut for Business
See 2,809 technologies
5
CVS Health
Technologies used by the company: 2,625
CVS Health is a diversified healthcare company providing healthcare services, pharmacy care, health benefits, and consumer health solutions. Its businesses include CVS Pharmacy, CVS Caremark, CVS Specialty, Aetna, and Oak Street Health. The company s erves individuals, employers, health plans, and government organizations through retail pharmacies, prescription benefit management, specialty pharmacy, insurance, primary care, and other healthcare services, with a focus on improving access, affordability, and health outcomes. Read more
Additional technologies used by CVS Health:
BlackBerry Enterprise Server
Apache Log4j
IBM CICS
See 2,625 technologies
6
Berkshire Hathaway
Technologies used by the company: 416
Berkshire Hathaway Inc. is a holding company that is headquartered in Omaha, Nebraska. Berkshire Hathaway and its subsidiaries engage in diverse business activities including insurance and reinsurance, utilities and energy, freight rail transportatio n, finance, manufacturing, retailing and services. Read more
Additional technologies used by Berkshire Hathaway:
Docker
Apple iOS
HP OpenView
See 416 technologies
7
Microsoft
Technologies used by the company: 3,137
Microsoft Corp. engages in the provision of developing and marketing software and hardware services. Its products include operating systems for computing devices, servers, phones and intelligent devices. It also offers server applications for distrib uted computing environments, productivity applications, business solution applications, desktop and server management tools, software development tools, video games, and online advertising. It operates through the following segments: Productivity and Business Processes, Intelligent Cloud, and More Personal Computing. The Productivity and Business Processes segment consists of products and cloud services in portfolio of productivity, communication, and information services. It comprises of office commercial, office consumer, and Microsoft Enterprise Services dynamics business solutions. The Intelligent Cloud segment offers hybrid server products and cloud services. It comprises of server products and cloud services and enterprise services. The More Personal Computing segment comprises of windows, devices, gaming, and search advertising. The company was founded by William Henry Gates III in 1975 and is headquartered in Redmond, WA. Read more
Additional technologies used by Microsoft:
sentry.io
QEMU
IBM Rational Rose
See 3,137 technologies
8
Toyota Motor Corporation
Technologies used by the company: 1,079
Toyota Motor Corporation is a Japanese automotive manufacturer headquartered in Toyota, Aichi, Japan. The Company operates through three business segments. The Automobile segment is engaged in the design, manufacture and sale of car products, includi ng sedans, minivans, 2BOX cars, sport-utility vehicles and trucks, as well as the related parts and accessories. The Finance segment is involved in the provision of financial services related to the sale of the Company's products, as well as the leasing of vehicles and equipment. The Others segment is involved in the design, manufacture and sale of housings, as well as the information and communication business. As of March 31, 2014, the Company had 542 subsidiaries and 203 associated companies. Read more
Additional technologies used by Toyota Motor Corporation:
TensorFlow
Microsoft Windows OS
Microsoft Azure Cloud Backup
See 1,079 technologies
9
Cigna
Technologies used by the company: 1,976
The Cigna Group is a global health company committed to improving health and vitality. We relentlessly challenge ourselves to partner and innovate solutions for better health. Our global workforce works through Cigna Healthcare and Evernorth Health S ervices to fulfill the customer relationships we serve. Read more
Additional technologies used by Cigna:
BlackBerry Enterprise Server
Apache Log4j
Adobe Fireworks
See 1,976 technologies
10
Samsung
Technologies used by the company: 1,861
Samsung is a global technology company engaged in the research, development, manufacturing, and marketing of a diverse portfolio of consumer electronics, mobile communications devices, semiconductor technologies, digital appliances, display solutions , and enterprise technologies. The company serves consumers, businesses, governments, and industrial organizations across international markets by delivering innovative products and integrated digital solutions that enhance communication, productivity, entertainment, healthcare, and everyday living. Read more
Additional technologies used by Samsung:
BlackBerry Enterprise Server
Cinema 4D
Rhinoceros
See 1,861 technologies

Best Alternatives for Postfix

Usage statistics of alternative technologies to Postfix, based on Zoominfo's comprehensive dataset

Mandrill Mailgun MailChimp SPF SendGrid Amazon Simple Email Service Postfix

Additional top technologies lists

See additional lists of companies utilizing top technologies, ranked by revenue, size, and funding.

Frequently Asked Questions Regarding Postfix

What is the Postfix technology?

Postfix is a free and open-source mail transfer agent that routes and delivers electronic mail. For more information,

What is Postfix technology’s market share?

Postfix market share is 0.23% out of all the technologies in the same category.

What companies are using Postfix?

From the data gathered in Zoominfo, Amazon, Walmart, Apple, UnitedHealth Group, CVS Health, are using the Postfix technology. You can see the full list in the above results table.

How many companies are using Postfix?

1210 companies are using Postfix.

Which industries do companies commonly use Postfix for their needs?

Companies in Business Services, Software, Custom Software & IT Services commonly use Postfix.

What are the best alternatives for Postfix?

According to Zoominfo’s data Mandrill, Mailgun, MailChimp SPF, SendGrid, Amazon Simple Email Service, are competitors of Postfix. For more information,

See more information about Postfix