The most popular mail backend is probably
provides access to IMAP servers. IMAP servers
store mail remotely, so the client doesn’t store anything locally.
This means that it’s a convenient choice when you’re reading your mail
from different locations, or with different user agents.
|• Connecting to an IMAP Server:||Getting started with IMAP.|
|• Customizing the IMAP Connection:||Variables for IMAP connection.|
|• Client-Side IMAP Splitting:||Put mail in the correct mail box.|