Companies that use Postfix
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.
2,407
companies
List of companies using Postfix
curl --request POST \
--url "https://api.theirstack.com/v1/companies/search" \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <api_key>" \
-d "{
\"company_technology_slug_or\": [
\"postfix\"
]
}"Technology
is any of
Postfix

Employees73Revenue$4MSoftware Development
PostfixHigh confidence
Employees227Telecommunications
PostfixHigh confidence
Employees8kRevenue$3.1BIT Services and IT Consulting
PostfixHigh confidence
Employees581Revenue$4.4MIT Services and IT Consulting
PostfixHigh confidenceIT Services and IT Consulting
PostfixHigh confidence
Employees5.3kRevenue$1.1BComputer and Network Security
PostfixHigh confidence
Employees286Revenue$7.5MSoftware Development
PostfixHigh confidence
Employees373Appliances, Electrical, and Electronics Manufacturing
PostfixHigh confidence
Employees21kRevenue$3.3BAviation and Aerospace Component Manufacturing
PostfixHigh confidence
Employees35kRevenue$7.6BSoftware Development
PostfixHigh confidence
We have data on 2,407 companies and users that use Postfix. Our Postfix users and 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.
Technology Usage Statistics and Market Share
How to target Postfix users
- How to customize this list?
You can customize this data to your needs by filtering for geography, industry, company size, revenue, technology usage, job postions and more. You can download the data in Excel or CSV format.
- How to be alerted when companies adopt this technology?
You can get alerts for this data. You can get started by selecting the technology you are interested in and then you will receive alerts in your inbox when there are new companies using that technology.
- How to import this data to my CRM?
You can export this data to an Excel file, which can be imported into your CRM. You can also export the data to an API.
Frequently asked questions