require ["variables", "regex", "fileinto", "mailbox", "vnd.dovecot.execute"]; if header :regex "x-original-to" "^([a-z0-9_-]+)[0-9]{3}@ketas\.si\.pri\.ee$" { set :lower "name" "${1}"; #if string :is "${name}" "test" { # execute :pipe "test.sh"; #} fileinto :create "filters/${name}"; }