I've written patch which brings message filtering to mutt. Once applied, you can press <Esc>F from within mutt to begin the process of setting up mail filters.
The patch is short, so i've attached in inline: --- Muttrc.head.in.old Thu Jan 24 11:00:52 2002 +++ Muttrc.head.in Thu Jan 24 11:01:10 2002 @@ -18,6 +18,7 @@ macro generic <f1> "!less @docdir@/manual.txt\n" "Show Mutt documentation" macro index <f1> "!less @docdir@/manual.txt\n" "Show Mutt documentation" macro pager <f1> "!less @docdir@/manual.txt\n" "Show Mutt documentation" +macro generic \eF "!man procmail\n" "Filter messages into different mailboxes" # If Mutt is unable to determine your site's domain name correctly, you can # set the default here. ;) -- Mike Schiraldi VeriSign Applied Research