These options should be available on dedicated toolbar in the mail editor. This toolbar should be displayed by default when mail editor is opened in read only mode (to show some mail contents). In edititng mode it should be hidden and options should be disabled.
After choosing such option, new window should be opened in editing mode as application currently does by using mail viewer/main menu options.
These options should be available on dedicated toolbar in the mail editor. This toolbar should be displayed by default when mail editor is opened in read only mode (to show some mail contents). In edititng mode it should be hidden and options should be disabled. After choosing such option, new window should be opened in editing mode as application currently does by using mail viewer/main menu options.