sub hook_rcpt {
    my ($self, $transaction, $rcpt) = @_;
    
    my $options = $rcpt->notes('options');
    my $redirect = $options ? $options->{redirect} : $rcpt->notes('redirect');
    return DECLINED unless $redirect;

    if ($redirect =~ /(.*)\@(.*)/) {
	return DENY, "Mail address disabled; try <$redirect>";
    } else {
	my ($local, $domain) = $rcpt->address =~ /(.*)\@(.*)/;
	return DENY, "Mail address disabled; try <" . $local . '@' . $redirect . ">";
    }
}