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Courier-IMAP is a lightweight server that provides IMAP access to maildir mailboxes. It supports folders, custom authentication modules, and virtual mailboxes. A compatible POP3 server is also provided. The source code is based on the IMAP module in the Courier Mail Server, but this build is independently repackaged to work with any other MTA that delivers to maildir format mailboxes.


User README available in HTML format from


Download version 4.0.2 (stable)
released on 4 March 2005


Related Projects


LicenseVerified byVerified onNotes
GPLv2orlaterJanet Casey21 November 2002

Leaders and contributors

Sam Varshavchik Maintainer

Resources and communication

Audience Resource type URI
Support Mailing List Info/Archive

Software prerequisites

Kind Description
Required to build automake 1.6.3
Required to build gettext 0.11.4
Required to build libtool 1.4.2
Required to build sysconftool
Required to build autoconf 2.5.3

This entry (in part or in whole) was last reviewed on 29 May 2010.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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