I forgot one thing about all this... All about the restricted bash could be useless if you forget to lock the ftp acount of the restricted users.
You can avoid them to edit and create shell scripts inside their telnet session, but if you forget to lock their ftp session ... they could put scripts in their directory and execute them by telnet... -- Why don't you try 'Mutt' and 'GnuPG'? Get my public key at http://www.keyserver.net 1024D/7274AA07 9F1F 1EBB 29A4 918D 2C5F FB9C 39C9 7963 7274 AA07
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