Anonymous remailer

A privacy-focused remailer is a server that receives messages with embedded instructions on where to send them next, and that forwards them while attempting to obscure their origin. There are cypherpunk remailers, mixmaster remailers, and nym servers, among others, which differ in their design and the level of privacy they were intended to provide. It is critical to understand that without integration with an anonymity network like Tor, these systems do not provide anonymity against powerful adversaries.

Remailing as discussed in this article applies to e-mails intended for particular recipients, not the general public. Anonymity in the latter case is more easily addressed by using any of several methods of anonymous publication. Remailing should also not be confused with modern services providing an email alias.

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