[Evolution] Can't connect to IMAP folders

[Greg Howland <gregoryhowland fastmail fm>]

I can't get to my folders on my IMAP server. When I
select INBOX, I get the error message;

Error while 'Opening folder imap:/username servername com/INBOX'
No such folder INBOX

Furthermore, when I select Tools -> Subscribe to Folders from
the menu, no mail servers are listed in the pop-up box.
However, I can send mail through the server, so it must be
confirming my username and password. How can I get this
to retrieve mail from my IMAP server?

BTW, I'm running evolution-1.0.7.

-- Greg