Most temp mail services give you 10 minutes. That's often not enough when the OTP takes 15. Inboxflip gives you 24 hours: → No signup or registration → Real-time inbox — OTPs appear instantly → Auto-deletes everything after 24h → No tracking pixels or ad cookies by default → Receive-only (no send = no abuse) Built for throwaway signups, OTP verification, developer testing, and keeping your real inbox spam-free.