The Cyrus IMAP (Internet Message Access Protocol) server provides access to personal mail and system-wide bulletin boards through the IMAP protocol. The Cyrus IMAP server is a scalable enterprise mail system designed for use from small to large enterprise environments using standards-based technologies. A full Cyrus IMAP implementation allows a seamless mail and bulletin board environment to be set up across multiple servers. It differs from other IMAP server implementations in that it is run on "sealed" servers, where users are not normally permitted to log in. The mailbox database is stored in parts of the filesystem that are private to the Cyrus IMAP system. All user access to mail is through software using the IMAP, POP3, or KPOP protocols. The private mailbox database design gives the server large advantages in efficiency, scalability, and administratability. Multiple concurrent read/write connections to the same mailbox are permitted. The server supports access control lists on mailboxes and storage quotas on mailbox hierarchies. Cyrus is a highly scalable enterprise mail system designed for use in enterprise environments of various sizes using standards based technologies. Cyrus technologies scale from independent use in email departments to a system centrally managed in a large enterprise. For more information on how to install and run cyrus-imapd, see README.SLACKWARE that came with this package (which is also installed with the documentation). Two additional patches have been included, autocreate and autosieve, which improve cyrus' capabilities. To learn more about them, check their accompanying README files. To disable them, use: PATCHES=no ./cyrus-imapd.SlackBuild You must have a "cyrus" user and group to run this script. Something like this will create them: # groupadd -g 238 cyrus # useradd -d /var/imap -s /bin/sh -u 238 -g 238 cyrus See http://slackbuilds.org/uid_gid.txt for uid/gid suggestions.