url.dev - Create short, temporary, self-destructing messages and links
10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
Cryptgeon - Securely share self-destructing notes
TempMail - Temp Mail is the provider of fake and temporary email ID.
BURN.link - Send secure, encrypted, self-destructing messages
Mailinator - Any Inbox. Any Time.