How much time are emails stored in Temp Mail? Emails are stored in Temp Mail for approximately forty eight hrs. After 48 hours, the email and all of its contents are deleted permanently. To start with you install the desktop app, then you install its extensions on just about https://chromewebstore.google.com/detail/temp-mail-pw-disposable-t/aidndodkpjkakjdhhmkkmjgehflbjbae