The email reservation lasts 30 days. Message metadata, parsed bodies, raw MIME, and attachments expire 15 minutes after receipt. An expired address is never assigned again.
No. The confirmed v1 contract contains finite REST reads only. Your application controls when to list messages and must bound its own retry interval and deadline.
Missing, expired, and foreign private resources intentionally share the same response shape. This avoids confirming whether another account owns an identifier.
