Courier is an integrated mail and groupware server that combines several services within a common framework. Administrators can deploy the complete server or select individual components according to their requirements.
The suite includes an ESMTP mail server, IMAP and POP3 access, webmail, mail filtering and mailing-list facilities. Courier makes extensive use of the Maildir mailbox format and has its own authentication library shared between its services.
Courier can be used as a complete mail system or individual components such as Courier-IMAP and maildrop can be deployed independently.
This is free and open source software.
Key Features
- Integrated ESMTP mail transfer service.
- IMAP and POP3 mailbox access.
- SqWebMail browser-based email interface.
- maildrop mail delivery agent and filtering language.
- Mailing-list management facilities.
- Shared authentication framework.
- Maildir-based message storage.
- TLS-encrypted IMAP, POP3 and mail services.
- IPv6 support.
- Shared IMAP folders.
- Controls for limiting simultaneous IMAP connections.
- LDAP integration and virtual mailbox configurations.
- Individual components can be enabled or disabled as required.
Website: www.courier-mta.org
Support:
Developer: Sam Varshavchik
License: GNU General Public License v3.0
Courier Mail Server is written in C. Learn C with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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