Mailbox management is just like managing folders on your personal computer. You can create multiple new mailboxes and use these different mailboxes to categorize and organize your emails. In addition to making your mailbox look more organized, mailbox management also allows you to browse through your old emails more conveniently. Presented in a tree structure, mailbox management offers greater flexibility and logic in categorizing and managing emails.
4.1 What are the default mailboxes available?