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Top 20 products relevant to Email, SMTP Servers, and Self-hosted Email

Showing 20 of 28+ results. Refine your search or use the filters to narrow down the products.

  1. Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

    /axigen-alternatives

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

    /hmail-server-alternatives

  3. Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

    /kolab-community-alternatives

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

    /powermta-alternatives

  5. 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

  6. MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

    /mailenable-alternatives

  7. qmail is the name of an advanced level of mail transfer agent for the UNIX based operating systems.

    /qmail-alternatives

  8. Sharing & communication software for business.

    /kopano-alternatives

  9. Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with...

    Open Source

    /dovecot-alternatives

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

    /mailerq-alternatives

  11. Turnkey Solutions for the Enterprise Cloud.

    /expanding-communication-alternatives

  12. The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open...

    Open Source

    /courier-mta-alternatives

  13. Open source SMTP server written in Node.js.

    Open Source

    /haraka-alternatives

  14. DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql...

    Open Source

    /dbmail-alternatives

  15. 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

  16. The Cyrus IMAP server differs from other IMAP server implementations in that it is generally...

    Open Source

    /cyrus-imap-alternatives
  17. OBM

    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

    /obm-alternatives

  18. The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a...

    /mercury-mail-transport-system-alternatives

  19. The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs.

    /courier-imap-alternatives

  20. grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.

    /grommunio-alternatives

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