Setting up IMAP on Mutt

After receiving my HP 2710p, I decided to use IMAP instead of POP for
managing my email.  As you know, Mutt is my primary MUA (mail user agent).
The benefits of this setup are obvious: synchronous email (both on the computer
and on the webserver), space savings, and less programs to configure.
In this example, I’ll be setting up [...]