rem: KMMessage *bounceMsg = msg->createBounce( FALSE ); if ( !bounceMsg ) return ErrorButGoOn;
add: int idx = mParameterList.findIndex( mParameter ); if ( idx < 1 ) return ErrorButGoOn;
context: KMFilterAction::ReturnCode KMFilterActionBounce::process(KMMessage* msg) const{  KMMessage *bounceMsg = msg->createBounce( FALSE );  if ( !bounceMsg ) return ErrorButGoOn;  // Queue message. This is a) so that the user can check  // the bounces before sending and b) for speed reasons.  kernel->msgSender()->send( bounceMsg, FALSE );  return GoOn;}