Software Alternatives & Reviews


Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

Postfix Alternatives

The best Postfix alternatives based on verified products, community votes, reviews and other factors.
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  1. 37

    Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

  2. 37

    A fully fledged, free email server solution, an open source project (GPL v2).

  3. The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

    Visit website paid $19.5 / Monthly (Pro)

  4. 46

    Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

  5. 41

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of...

  6. 29

    Web-based IMAP email client

  7. 24

    An open source mailserver suite.

  8. 29

    sSMTP is a simple MTA to deliver mail from a computer to a mail server.

  9. 23

    Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

  10. 19

    PowerMTA is an industrial-strength software for high-volume email delivery.

  11. 22

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

  12. 23

    hMailServer is a free e-mail server for Microsoft Windows.

  13. 19

    msmtp is an SMTP client.

  14. 24

    OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...

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Postfix Reviews

External sources with reviews and comparisons of Postfix

10 Microsoft Exchange Server Alternatives
Postfix is an MTA that allows the user to receive and deliver electronic mail. The platform is open-sourced that is easy to administer, attempts to be fast, and a secure way for the usage of EM. It is also known by the names of IBM Secure Mailer and VMailer. Many of the systems that support Postfix runs such as AIX, BSD,...
15 Best iRedMail Alternatives 2021
Postfix is very emphatic when it comes to security. Like iRedMail, it is able to encrypt your sessions and perform certificate-based authentication to keep your mail services secure, private, and protected. Postfix also offers stress adaptive features and various content inspection methods to choose from.
Read all Postfix reviews →

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Categories: SMTP Server, MTA, Email Delivery