If you get the following error message when using gmail via imap with kmail:
Error while querying the server status.
Unable to open folder [Gmail]. The server replied: Unknown Mailbox: [Gmail] (Failure)
Try the following to fix it:
* Right Click on the
[Gmail] folder in your kmail folders list (note square brackets)
* Select Properties from the context menu
* In the Properties window, on the General tab,
UN-MARK the options for:
"
Act on new/unread mail in this folder" -AND- "
Include this folder in mail checks"