FreeBSD Mailling list and Slieve filter

[Tobi]

Hi,
I try to filter my maillist emails with slieve... but it dosen't work ;(

here are my config:

require "fileinto";

if address :is ["from", "to"] "owner-freebsd-bugs at freebsd.org" {
    fileinto "INBOX/Mailinglisten/FreeBSD/freebsd-bugs";
}

elsif address :is ["from", "to"] "owner-freebsd-questions at freebsd.org" {
    fileinto "INBOX/Mailinglisten/FreeBSD/freebsd-questions";
}

else {
     keep;
}


can anybody help me?
thanks, tobi