Integrated mail/groupware server
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. It provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. Individual components can be enabled or disabled at will. Courier now implements basic web-based calendaring and scheduling services integrated in the webmail module. Courier implements SMTP extensions for mailing list management and spam filtering. Courier can function as an intermediate mail relay, relaying mail between an internal LAN and the Internet, or perform final delivery to mailboxes. Courier uses maildirs as its native mail storage format, but it can also deliver mail to legacy mailbox files as well. Courier's configuration is set by plain text files and Perl scripts. Most of Courier's configuration can now be adjusted from a web browser, using Courier's web-based administration module.
5 December 2016
Leaders and contributors
Resources and communication
|Developer||VCS Repository Webview||https://sourceforge.net/p/courier/courier.git/ci/master/tree/|
|Developer||VCS Repository Webview||https://github.com/svarshavchik/courier|
|Required to build||make|
|Required to build||C++ compiler (*not* gcc 3.0)|
|Weak prerequisite||OpenSSL (for support for SSL/TLS)|
|Weak prerequisite||mgetty+sendfax/groff *or* troff (not tested)/ghostscript/NetPBM (all of these for sending email messages via fax|
|Required to build||expect|
|Required to build||either GDBM *or* Berkeley DB library|
|Weak prerequisite||OpenLDAP (support for LDAP directories)|
|Weak prerequisite||MySQL/PostgreSQL development libraries (support for MySQL/PostgreSQL authentication)|
|Required to build||Perl 5|
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