Binary package “courier-base” in ubuntu lucid
Courier mail server - base system
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. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list
services within a single, consistent, framework.
This package provides the functionality needed by all courier packages
such as some configuration files, helper programs and the Courier TCP server