Useful details, before you use it.

Yes. The address shown is returned by Guerrilla Mail's API. TempMail does not invent a local-only address.

Guerrilla Mail's API documentation describes a 60-minute lifetime for a non-subscriber address and a limited extend operation. The provider controls expiry, so the countdown is an estimate.

The provider session cookie is stored as an HttpOnly cookie on this site, and the address and timestamp are cached in your browser's local storage. A provider session can expire after roughly 18 minutes without activity; if it does, you may need a new address.

The page checks every 30 seconds while visible and the mailbox session is active. You can also refresh manually. Guerrilla Mail does not publish a numeric API rate limit, so use the service reasonably.

Yes. Guerrilla Mail documents a del_email API operation. The delete control is enabled for messages the provider returns; the provider remains responsible for confirming the deletion.

The provider documents an extend operation, allowing up to two hours of extension. Availability depends on provider response.

No. The provider's API expects the visitor IP address and user-agent, and the provider processes the address and messages. Cloudflare also processes requests to host this website. Do not use TempMail to conceal identity or handle sensitive accounts.

We strongly recommend against it. An address or message may be available to others, and an expired inbox may not be recoverable.

The provider controls mailbox lifetime and retention. Its documentation says messages expire after about an hour. Provider availability and behavior can change.