QuickInbox is a free disposable email generator: get an address in one click and pick how long it lives, 5 to 30 minutes, with auto-delete when time's up. Want more? Pick a custom name, choose from 3 domains, or create a free permanent address (up to 10 per account) that never expires. New messages arrive instantly in the inbox, and you can reply straight from there. No signup needed for the basics, and everything stays free.