Sieve + Cyrus ir vienkārši daile.

require "fileinto";
    if header :contains ["from"] "laacz" {
        fileinto "INBOX.mazais_sukulis";
    } elsif header :contains ["subject"] "Jaanim" {
        redirect "jaanis@laacz.lv";
    } elsif header :contains ["subject"] "penis" {
        discard;
    }