http://nguipxnkrp3qrzrlduhsatpcpwehnblzmlkc5ifiumxq4z5jlh4lwvid.onion/os_archive/os_hidden_mail.html
Minimal instalation: Computer 1 (Transmision computer) 1. Base install of *Nix in TEXT MODE no GUI / or use a GUI (whatever) 2. Postfix (or OpenSMTPD ), Tor, Torsocks, Swaks, OpenSSL ( or LibreSSL or GnuTLS) 3. endget.sh, endmail.sh, endfix.cf (for postfix) 4.