>>>>> "Hrvoje" == Hrvoje Niksic writes: Hrvoje> FWIW, your messages are neither rfc2015 nor S/MIME. (And I don't see Hrvoje> what either has to do with rfc2646.) Sorry, I meant RFC2633 (S/MIME) not 2646 (text/plain). Why are my messages not RFC2015 compliant ? Last time I checked they looked so. Which requirement is missing ? Oscar