Courier imap introduction, features, and Installation Problems

It took a long timeCourier imapI am here to share with you.

1. Introduction to Courier-IMAP

Courier-IMAP is the IMAP service program in the Courier mail system.

The IMAP server's messenger is fast and scalable. Enterprise IMAP servers use Maildirs. Many email service providers use the Courier IMAP server to process up to 100,000 email accounts. With its construction in IMAP and POP3 aggregation agents, the messenger IMAP server has been expanded almost infinitely. In a proxy configuration, the server's express delivery service pool initially connects IMAP to the POP3 client. They are waiting to accept client login requests, find the server holding the email account mailbox, and establish a proxy to connect to the server, all in a single, seamless process. Email accounts can be moved between different servers for optimal resource usage.

Traditional IMAP does not support Maildir mail storage format. To provide IMAP protocol for Qmail users, Courier-IMAP must be installed. Courier-IMAP is a server that provides the IMAP protocol to access Maildir. It does not support traditional Mailbox mail storage.

Ii. Courier-IMAP features

1. Small and efficient;

2. provides a variety of user authentication modules and methods;

3. Supports virtual mailboxes;

4. you can limit the total number of simultaneous Logins To IMAP and the number of simultaneous logins to the same IP address. This effectively protects the system from overload when it is under Denial-of-service attacks;

5. Shared folder is supported ).

Iii. Courier-IMAP Installation Problems

Courier-IMAP fails to be installed. What should I do?

The RPM format is used for installation. Because courier-imap has its own spec file, it can be easily compiled into an RPM package.

If you use a redhat system, follow these steps:

1. Store the software package in the/usr/src/redhat/SOURCES directory.

2. Release A. spec file from the package to the/usr/src/redat/SPECS directory.

3. Edit the. spec file and add -- disable-root-check to the configure command.

4. Execute the command: rpmbuild-bb courier-imap.spec

If no error occurs, the compiled RPM package will be found in the/usr/src/redhat/RPMS/i386 directory.

Through the three points I have listed for you, I believe you have some knowledge of Courier-IMAP and hope it will be useful to you.