Bouncing spam

Ok, I'm trying a new procmail recipe to bounce spam that SpamAssassin scores over 15. For now I'm still saving these "extreme spam" messages, but I'd like to just throw them into the bit bucket. Before I do, I want to make sure they get added to the bayesian filter. Read on for the actual recipes.

:0fw
| /usr/bin/spamc

:0
* ^X-Spam-Level: XXXXXXXXXXXXXXX
{
    EXITCODE=67
    :0
    ${SPAM_BOUNCE}
#    /dev/null
}

:0
* ^X-Spam-Status: Yes
${SPAM}