Its service is designed for quick access: visitors can request a ready-to-use email address and password in one step, without creating an account or completing a sign-up process. The mailbox can receive incoming messages, which are available through an inbox that users can open on the site. Emails are retained for 30 days and then deleted automatically.

When a mailbox is issued, the address and password can be copied for use elsewhere. The site notes that the password is displayed only once, so users should save it if they may need to return to the mailbox later. A sign-in option is available for accessing an existing mailbox. The interface also offers language choices, including Russian, English, and Chinese. Overall, xbox.ink is a straightforward disposable email service focused on providing temporary inbox access with minimal setup and a defined retention period.