[ 原始碼: filter ]
套件:filter(2.6.3+ds1-3 以及其他的)
program that filters local email via forward/pipe
filter is one of the original mail filtering programs written for UNIX. (originally a part of the 'elm' mailer) Install it via a pipe(|) reference in $HOME/.forward, and let it separate your incoming email into different personal mailboxes.