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What is 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.
Postfix is a tool in the Transactional Email category of a tech stack.

Who uses Postfix?

Companies
25 companies reportedly use Postfix in their tech stacks, including Cyta, budikom.net, and hosting4devs.

Developers
13 developers on StackShare have stated that they use Postfix.

Postfix Integrations

Why developers like Postfix?

Here’s a list of reasons why companies and developers use Postfix
Top Reasons
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Postfix Alternatives & Comparisons

What are some alternatives to Postfix?
Dovecot
It is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. It is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.
Twilio SendGrid
Twilio SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. Twilio SendGrid provides reliable delivery, scalability & real-time analytics along with flexible API's.
Mailgun
Mailgun is a set of powerful APIs that allow you to send, receive, track and store email effortlessly.
Mandrill
Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.
Amazon SES
Amazon SES eliminates the complexity and expense of building an in-house email solution or licensing, installing, and operating a third-party email service. The service integrates with other AWS services, making it easy to send emails from applications being hosted on services such as Amazon EC2.
See all alternatives

Postfix's Followers
9 developers follow Postfix to keep up with related blogs and decisions.
Mohamma76685757
Eric Sherrill
Wanitch Teeraphothipan
huiminwang8195
Allan Boll
Aleksandr Fedorov
Dan Molik
Trino Sauro
Paweł Orzechowski