And, of course, the corresponding procmail recipe is: ########## WHITELIST :0 fhw: * ? formail -x"From:" -x"From" -x"Sender:" | grep -is -f $HOME/.whitelist | formail -A "X-Mark: whitelist" :0 A $ORGMAIL ########## I mark various spam-fighting stages with special headers, then color them in mutt. -- Cheers, Alexy Khrabrov :: www.setup.org :: Age Quod Agis