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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.


imapd [options]

TCP/IP command. The Interactive Mail Access Protocol (IMAP) server daemon. imapd is invoked by xinetd and listens on port 143 for requests from IMAP clients. IMAP allows mail programs to access remote mailboxes as if they were local. IMAP is a richer protocol than POP because it allows a client to retrieve message-level information from a server mailbox instead of the entire mailbox. IMAP can be used for online and offline reading. The popular Pine mail client contains support for IMAP. There are several versions of imapd available. Here we document the Cyrus IMAP server.


-C file

Read configuration options from file instead of /etc/imapd.conf.


Encrypt data using the Secure Socket Layer (SSL).

-T n

Wait n seconds for a new connection before closing the process. The default is 60.

-U n

Reuse process for new connections no more than n times.

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