In Postbox, you have some control over the legibility afforded or the space saved for showing your list of folders and every list of messages.
Change the Folder and Message List Font Size in Postbox
To make Postbox display the lists of folders and messages in a larger (or smaller) font:
- Select Tools | Options… or Postbox | Preferences… (Mac) from the menu in Postbox.
- Open the General category.
- Select the desired font size (Small, Medium or Large) under Message List and Folder Font Size:.
- Close the General preferences window.
(Updated July 2011)