The Best 5 Courier IMAP Alternatives

  • Dovecot

    Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations.

    Free Open Source Mac OS X Linux

  • Cyrus IMAP

    The Cyrus IMAP server differs from other IMAP server implementations in that it is generally intended to be run on sealed servers, where normal users cannot log in.

    Free Open Source Mac OS X Linux

  • Archiveopteryx

    Archiveopteryx stores email in a database and provides access to it through IMAP and more.

    Free Open Source Mac OS X Linux BSD

  • DBMail

    DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql, MySQL or SQLite database.

    Free Open Source Mac OS X Windows Linux