url.dev - Create short, temporary, self-destructing messages and links
Protect IID - Protect your privacy with single-use email addresses
Cryptgeon - Securely share self-destructing notes
Mailinator - Any Inbox. Any Time.
BURN.link - Send secure, encrypted, self-destructing messages
MailDrop - maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats.