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    Postfix Alternatives for Linux

    There are many alternatives to Postfix for Linux if you are looking for a replacement. The best Linux alternative is MailHog, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Postfix and 18 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Postfix are Exim, OpenSMTPD, sSMTP and Sendmail.

    This page was last updated May 9, 2021
    Postfix
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    • FreeOpen Source
    • Mac
    • Linux
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    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to...
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Docker
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      MailHog is an email testing tool inspired by MailCatcher, but easier to install.
      MailHog vs Postfix opinions
      pros, cons and recent comments
      Mailhog is for testing if another application can send mails. Postfix is for sending and receiving mails.
      Negative comment about 1 year ago

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      • FreeOpen Source
      • Mac
      • Linux
      More
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      Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
      No screenshots yet
      Most users think Exim is a great alternative to Postfix.


      • FreeOpen Source
      • Linux
      • BSD
      • Self-Hosted
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      OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol.
      No screenshots yet
      • FreeOpen Source
      • Linux
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      sSMTP is a simple MTA to deliver mail from a computer to a mail server. sSMTP is simple and lightweight, there are no daemons or anything hogging up CPU; Just sSMTP. Unlike Exim4, sSMTP does not receive mail, expand aliases, or manage a queue.

      Discontinued

      The last update was in 2013.

      No screenshots yet
      • FreeOpen Source
      • Mac
      • Linux
      More
      Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.


      • FreeOpen Source
      • Linux
      • Xfce
      More
      In the default mode, it transmits a mail to an SMTP server (for example at a free mail provider) which takes care of further delivery.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      More
      Need to test your webapps outbound emails with Mailinator but stuck behind a firewall? Want to keep the new application you are developing secret until it’s time to release it? Need to validate that emails go out as part of your integration test suite?
      • Windows
      • Linux
      • Self-Hosted
      More
      Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and DKIM) to comply with changing ISP policies for accountable outbound email delivery. No over hype. It just delivers.
      • FreeOpen Source
      • Mac
      • Linux
      • BSD
      • Self-Hosted
      More
      The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.
      No screenshots yet
      • FreeOpen Source
      • Linux
      • BSD
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      A small Mail Transport Agent (MTA), designed for home and office use. Part of DragonFly BSD , it accepts mails from locally installed Mail User Agents (MUA) and delivers the mails either locally or to a remote destination.
      No screenshots yet
    Showing 10 of 18 alternatives