As I noted in a previous posting about K@mail (Turn off notification sounds in K-@mail), “Dr. Google doesn’t seem to know much about this app. So, support options are pretty limited.” This turned out to be once again the case when I found that only the Inbox folder for my IMAP account was being synchronized by default.
The solution is pretty straightforward. Select the account from the Accounts screen. Navigate to Settings – Fetching Mail – Poll folders. Reset the option from “Only 1st class folders” to “All”.
Turn off notification sounds in K-@mail
K-@ Mail – Email App
If you like K-9 Mail, you’re gonna love this email app