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Postfix

A free and open-source mail transfer agent
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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 Email Deliverability category of a tech stack.

Who uses Postfix?

Companies
44 companies reportedly use Postfix in their tech stacks, including Tokopedia, Avito, and XYZ Technology.

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

Postfix Integrations

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.
Axigen
It is a fully self developed solution, truly innovative in several respects, particularly scalable and configurable. This messaging solution offers the entire range of mail services — SMTP, POP3, IMAP, WebMail (Desktop and Mobile versions) — includes List server, Logging, Reporting, and FTP Backup modules and provides various, flexible administration options (including a central Web administration interface — WebAdmin).
250ok
250ok is an email deliverability tools company that produces a Software‐as‐a‐Service (“SaaS”) platform to monitor and measure the deliverability of email networks. These networks consist of companies sending various forms of messages including marketing, transactional, share, and others from various platforms.
Yesware
It helps build lasting business relationships, right from your inbox. A sales engagement platform designed for sales professionals and account managers.
Boomerang
It adds scheduled sending and the easiest, most integrated email reminders to Gmail, helping you reach Inbox Zero.
See all alternatives

Postfix's Followers
91 developers follow Postfix to keep up with related blogs and decisions.