General settings are account-independent settings. Most of them define how the user interface looks. Display The Display settings control the global appearance of the app, as well as each of the…

Many of the settings in K-9 Mail can be customized for each account, and are therefore located under Account Settings. From Settings, each account’s settings can be reached from the account…

Sync Types & K-9 Behavior There are two ways of being notified of new mail synchronized to your device, Push and Poll. Your choice of Push or Poll applies to…

With the following settings you can configure how a specific folder is displayed. Furthermore you can classify the folder to control if and how it should be synchronized. Folder settings…

K-9 provides the ability to import and export your settings. This is useful when changing/adding a device. The settings are exported as a file, stored in a location of your…