Software Alternatives, Accelerators & Startups

Sendmail

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

Sendmail Alternatives

The best Sendmail alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives Latest update:

  1. 34

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

    /postfix-alternatives
  2. 21

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

    /ssmtp-alternatives
  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)

    Visit website
  4. 26

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

    Open Source

    /exim-alternatives
  5. 14

    msmtp is an SMTP client.

    /msmtp-alternatives
  6. 17

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

    Open Source

    /opensmtpd-alternatives
  7. 11

    MailerQ is a high performance Mail Transfer Agent (MTA) designed for delivering large volume email messages at very high speeds.

    /mailerq-alternatives
  8. 13

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

    /powermta-alternatives
  9. A fully fledged, free email server solution, an open source project (GPL v2).

    Open Source

    /iredmail-alternatives
  10. 12

    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.

    /zimbra-alternatives
  11. 10

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

    /hmail-server-alternatives
  12. KumoMTA is the world's first Open-Source MTA designed from the ground-up for large-volume senders. Get a fast, flexible, supported solution.

    Open Source free

    /kumomta-alternatives
  13. 10

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

    /microsoft-exchange-server-alternatives
  14. An open source mailserver suite.

    Open Source

    /mailcow-alternatives
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