Open Source SmarterMail Mail Server Alternatives

Popular open source Alternatives to SmarterMail Mail Server for Windows, Linux, Web, Software as a Service (SaaS), Mac and more. Explore apps like SmarterMail Mail Server, all suggested and ranked by the AlternativeTo user community.

SmarterMail delivers Exchange-level email server software features for a fraction of the cost. If you're looking for more info about SmarterMail Mail Server like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.

The list of alternatives was last updated: 10/31/2016 3:32:00 AM

Alternatives to SmarterMail Mail Server for all platforms with Open Source License

  • hMail Server

    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world. It supports the common e-mail protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email.

    Free Open Source Windows

    hMail Server icon
  • Citadel

    Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel platform for the Internet, the Citadel/UX developers added functionality such as shared calendars, instant messaging, and built-in implementations of Internet protocols such as SMTP, IMAP, Sieve, POP3, GroupDAV and XMPP. All protocols offer OpenSSL encryption for additional security.

    Free Open Source Linux Web

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