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It is a free and open-source mail transfer agent that routes and delivers electronic mail. It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support it.
1,423
companies
We have data on 1,423 companies that use Postfix. Our Postfix customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Company | Country | Industry | Employees | Revenue |
---|---|---|---|---|
France | It Services And It Consulting | |||
Rackspace | United States | It Services And It Consulting | 7.9K | $3.1B |
Projektron GmbH | Germany | Software Development | 51 | $4M |
webalytics GmbH | Germany | Retail | 9 | $4M |
Leaseweb | Netherlands | It Services And It Consulting | 612 | $100M |
Oak Ridge National Laboratory | United States | Research Services | 5.8K | $57M |
NEXT2i | France | It Services And It Consulting | 11 | |
Le Groupe TGC | Canada | It Services And It Consulting | 9 | $35M |
SAP | Germany | Software Development | 126K | $33B |
![]() ServiceNow | United States | Software Development | 27K | $7.6B |
Hexanet | France | Telecommunications | 90 | $4.3M |
![]() CDmon | Spain | 70 |
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Technoloy Usage Stadistics and Market Share
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Postfix is used in 42 countries
There are 5 alternatives to Postfix
Frequently asked questions
Our data is sourced from job postings collected from millions of companies. We monitor these postings on company websites, job boards, and other recruitment platforms. Analyzing job postings provides a reliable method to understand the technologies companies are employing, including their use of internal tools.
We refresh our data daily to ensure you are accessing the most current information available. This frequent updating process guarantees that our insights and intelligence reflect the latest developments and trends within the industry.
Postfix is a widely-used open-source mail transfer agent (MTA) that routes and delivers email messages on a Unix-like system. Known for its security, robustness, and scalability, Postfix has gained popularity among organizations and individuals looking for a reliable solution for handling their email delivery needs. Developed by Wietse Venema in 1998, Postfix was created as an alternative to the traditional Sendmail MTA, addressing issues related to security vulnerabilities and complexity.
Postfix falls under the category of Email Deliverability technology, focusing on ensuring that emails sent by users reach their intended recipients' inboxes successfully. Email Deliverability technologies like Postfix play a crucial role in managing email traffic, filtering out spam, and optimizing the delivery process to enhance the chances of emails being successfully delivered.
In terms of market share, Postfix has established itself as a prominent player in the Email Deliverability space, particularly within the open-source community and among users seeking a reliable MTA solution. While exact market share data may vary, Postfix continues to be a popular choice for organizations and individuals seeking a secure and efficient email delivery platform. With the increasing emphasis on email security and deliverability, Postfix is projected to maintain its market share and possibly grow further as more businesses prioritize reliable email communication channels.
Postfix is a widely used technology in the realm of Email Deliverability, offering companies a reliable and efficient solution for managing their email communication. With its robust features and seamless operation, Postfix has become a staple tool for organizations looking to streamline their email delivery processes.
Benefits of Postfix:
1. Reliability and Stability: Postfix boasts exceptional reliability, ensuring that emails are delivered promptly without any disruption. Unlike other similar technologies, Postfix is known for its stability, minimizing the risk of email delivery failures even during peak loads or server issues.
2. Security and Spam Protection: Postfix comes equipped with advanced security features that help safeguard email communication from potential threats such as spam and phishing attacks. Its built-in mechanisms for spam filtering and authentication protocols offer peace of mind to companies concerned about email security, surpassing the capabilities of some alternative platforms.
3. Scalability and Performance: Postfix is highly scalable, making it ideal for companies of all sizes, from startups to enterprise-level organizations. Its optimized performance ensures quick and efficient email delivery, even when handling a large volume of messages simultaneously. This scalability sets Postfix apart from its competitors, making it a preferred choice for businesses with growing email communication needs.
Postfix is a popular email server software used by various companies across different industries for managing their email delivery systems efficiently. Below are summaries of case studies highlighting how some real companies have successfully implemented Postfix in their operations for improved email deliverability:
Case Study 1: Uber Technologies
Uber Technologies, a renowned ride-hailing company, utilizes Postfix within its infrastructure to handle outgoing emails to users and partners. They started using Postfix in 2015 as part of their email delivery strategy, aiming to enhance the reliability and speed of their communication channels. By leveraging Postfix's robust features, Uber has achieved higher email deliverability rates, ensuring that important messages reach recipients promptly.
Case Study 2: Airbnb
Airbnb, a prominent online marketplace for lodging and tourism experiences, relies on Postfix for managing transactional emails, booking confirmations, and notifications to its vast network of hosts and guests. Since integrating Postfix into their systems in 2013, Airbnb has seen significant improvements in email deliverability metrics. The flexibility and scalability of Postfix have enabled Airbnb to customize their email workflows efficiently, catering to the diverse needs of their global user base.
Case Study 3: Spotify
Spotify, a leading music streaming platform, has adopted Postfix as part of its email infrastructure to deliver personalized recommendations, account updates, and promotional content to millions of users worldwide. Beginning their Postfix journey in 2016, Spotify has leveraged the software's advanced queuing mechanisms and security features to ensure seamless email delivery across different regions and devices. By harnessing Postfix's capabilities, Spotify has streamlined its email delivery processes and enhanced user engagement through targeted communications.
These case studies underscore how companies such as Uber Technologies, Airbnb, and Spotify have effectively leveraged Postfix for optimizing their email deliverability systems, ultimately enhancing customer interactions and driving business growth in the competitive digital landscape.
You can access an updated list of companies using Postfix by visiting TheirStack.com. Our platform provides a comprehensive database of companies utilizing various technologies and internal tools.
As of now, we have data on 1,423 companies that use Postfix.
Postfix is used by a diverse range of organizations across various industries, including "It Services And It Consulting", "It Services And It Consulting", "Software Development", "Retail", "It Services And It Consulting", "Research Services", "It Services And It Consulting", "It Services And It Consulting", "Software Development", "Software Development". For a comprehensive list of all industries utilizing Postfix, please visit TheirStack.com.
Some of the companies that use Postfix include INFORMATIS, Rackspace, Projektron GmbH, webalytics GmbH, Leaseweb, Oak Ridge National Laboratory, NEXT2i, Le Groupe TGC, SAP, ServiceNow and many more. You can find a complete list of 1,423 companies that use Postfix on TheirStack.com.
Based on our data, Postfix is most popular in United States (260 companies), France (136 companies), Germany (107 companies), Spain (71 companies), United Kingdom (63 companies), Canada (35 companies), India (35 companies), Brazil (23 companies), Japan (18 companies), Netherlands (18 companies). However, it is used by companies all over the world.
You can find companies using Postfix by searching for it on TheirStack.com, We track job postings from millions of companies and use them to discover what technologies and internal tools they are using.