bayesian spam filter. works as unix-style filter, POP-proxy or communicates with IMAP server. distributed as ruby script. GPL.
fixed regexp for pop commands which expect "." response
should not refer headers for language detection in case of -H
should print response from pop-server in case of -d
1st line might be 'unix from' quoated by '>'
check category and token are not nil
stop unlinking lockfile
raise an assert when socket.gets returns nil