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Also known as: remailer, Mixmaster
A relay that stripped identifying headers from a message and re-sent it under a generic address, letting people post to Usenet or send mail without exposing an address. Early cypherpunk designs gave way to chained, encrypted Mixmaster systems in the 1990s. Legal pressure, abuse, and the shrinking of text Usenet closed nearly all of them; the few survivors carry little traffic.
Browse all terms in Privacy & Security, or see the full Usenet glossary.