In K-9 Mail, settings are grouped under Global Settings, Account Settings and Folder Settings. Which of these you can access via the Menu button depends on where you are within the app.
In addition to the screens used to compose and view messages, K-9 Mail has three main list views, which provide access to settings as follows:
- Accounts: A list of your mail accounts, plus special items that apply across multiple accounts, such as Unified Mailbox and All messages. Press Menu, then Settings to open the Global Settings.
- Folders: A list of the folders under a selected account. Press Menu, More, then Settings, and you’ll get a choice of Global Settings and Account Settings.
- Messages: A list of messages in a selected folder. Press Menu, More, then Settings, and you’ll get a choice of Global Settings, Account Settings and Folder Settings.