CheckMailbox Method
Sends a 'CHECK' command to the server.
Syntax
pimap.checkMailbox([callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method sends a 'CHECK' command to the server, asking it to perform any necessary 'housekeeping' operations on, and update the state of the currently selected mailbox.