Mailinator - Any Inbox. Any Time.
10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
Harakirimail - Harakirimail is a free disposable email service. Just send email to anythingyouwant@harakirimail.
TempMail - Temp Mail is the provider of fake and temporary email ID.
Guerrilla Mail - Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.
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.