| Short description |
Courier-IMAP is a fast, scalable, enterprise IMAP server that uses Maildirs. Many E-mail service providers use Courier-IMAP to easy handle hundreds of thousands of mail accounts. With the built-in IMAP and POP3 aggregation proxy in Courier-IMAP 4.0, the only practical limit to Courier's horizontal scalability is available LAN bandwidth. In proxy mode, a pool of Courier servers receive IMAP and POP3 connections from clients, wait for the clients to send a login request, look up the mail account's server, and establish a proxy connection to the actual server that hosts the mail account. |
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