Exim AlternativesMail Servers and other similar apps like Exim

Exim is described as 'Message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet' and is a Mail Server in the online services category. There are more than 10 alternatives to Exim for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best Exim alternative is Mail-in-a-box, which is both free and Open Source. Other great apps like Exim are Postfix, KumoMTA, Haraka and OpenSMTPD.

Exim iconExim
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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...

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Exim alternatives page was last updated Sep 20, 2023
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  1. Mail-in-a-box icon
     22 likes
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    Easy-to-deploy mail server.

    17 Mail-in-a-box alternatives

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Self-Hosted
    • Roundcube

    Properties

    1.  Privacy focused

    Features

    1.  Two-factor Authentication
    2.  IMAP Support
    3. Nextcloud icon  Nextcloud integration

    Mail-in-a-box VS Exim

     
    • Mail-in-a-box is the most popular Self-Hosted alternative to Exim.

    • Mail-in-a-box is the most popular Open Source & free alternative to Exim.

    • Mail-in-a-box is Free and Open SourceExim is also Free and Open Source
    • Mail-in-a-box is Privacy focusedExim is not according to our users
  2. Postfix icon
     25 likes
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    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.

    26 Postfix alternatives

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Linux

    Postfix Features

    1.  Mail Filtering

    Postfix VS Exim

     
    • Postfix is the most popular Mac & Linux alternative to Exim.

    • Postfix is Free and Open SourceExim is also Free and Open Source
  3. KumoMTA icon
     4 likes
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    KumoMTA is the only true Open-Source PowerMTA alternative, capable of matching performance of several million messages per hour while providing granular traffic shaping configuration and automation across unlimited IPs.

    License model

    • FreeOpen Source

    Platforms

    • Self-Hosted

    KumoMTA Features

    1.  SMTP Support

    KumoMTA VS Exim

     
  4. Haraka icon
     3 likes
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    Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing Javascript programmers full access to change the behaviour of the server.

    License model

    • FreeOpen Source

    Country of Origin

    • International

    Platforms

    • Self-Hosted
    • Node.JS

    Haraka Features

    1.  Support for Javascript

    Haraka VS Exim

     
  5. OpenSMTPD icon
     6 likes
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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.

    13 OpenSMTPD alternatives

    License model

    • FreeOpen Source

    Platforms

    • Linux
    • BSD
    • Self-Hosted

    OpenSMTPD Features

    1.  SMTP Support

    OpenSMTPD VS Exim

     
  6. Sendmail icon
     4 likes
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    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.

    28 Sendmail alternatives

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Linux

    Sendmail Features

    1.  SMTP Support

    Sendmail VS Exim

     
  7. Courier-MTA icon
     7 likes
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    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.

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Linux
    • BSD
    • Self-Hosted

    Courier-MTA Features

    1.  Mail Filtering
    2.  SMTP Support
    3.  IMAP Support

    Courier-MTA VS Exim

     
  8.  3 likes
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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.

    License model

    • FreeOpen Source

    Platforms

    • Linux
    Discontinued

    The last update was in 2013.

    sSMTP Features

    1. Node.js icon  Support for Node.js
    2.  SMTP Support

    sSMTP VS Exim

     
  9. Copy a direct link to this comment to your clipboard

    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.

    License model

    • FreeOpen Source

    Platforms

    • Linux
    • BSD

    Dragonfly Mail Agent Features

    1.  SMTP Support

    Dragonfly Mail Agent VS Exim

     
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    Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be delivered to a file location on disk where it can be retrieved for delivery later.

    14 Microsoft SMTP Server alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    Microsoft SMTP Server Features

    1.  Exchange
    2.  Email Forwarding
    3.  SMTP Support

    Microsoft SMTP Server VS Exim

     
    • Microsoft SMTP Server is the most popular Windows alternative to Exim.

    • Microsoft SMTP Server is the most popular commercial alternative to Exim.

    • Microsoft SMTP Server is Paid and ProprietaryExim is Free and Open Source
  11. Halon icon
     1 like
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    Halon is a global leader in email infrastructure, empowering large senders and mailbox providers to maximize email. Founded in 2010, Halon's solutions process billions of emails daily worldwide.

    License model

    Application type

    Country of Origin

    • SE flagSweden
    • European Union flagEU

    Platforms

    • Linux
    • BSD
    • Self-Hosted
    • Amazon Web Services
    • Microsoft Azure
    • Google Cloud Platform
    • Docker
    • Kubernetes

    Halon Features

    1.  Email api
    2.  SMTP Support

    Halon VS Exim

     
  12. Hectane icon
     2 likes
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    An SMTP client that is extremely easy to configure and use, providing a simple HTTP API that is used for sending emails.

    License model

    • FreeProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux

    Hectane Features

    1.  SMTP Support

    Hectane VS Exim

     
12 of 18 Exim alternatives