rbl.setDNSService(mockedDnsServer);
rbl.setWhitelist(new String[] { "bl.spamcop.net." });
rbl.setGetDetail(true);
rbl.doRcpt(mockedSMTPSession, null, new MailAddress("test@localhost"));
assertNull(mockedSMTPSession.getConnectionState().get(RBL_DETAIL_MAIL_ATTRIBUTE_NAME));
assertNull("Not blocked",mockedSMTPSession.getConnectionState().get(RBL_BLOCKLISTED_MAIL_ATTRIBUTE_NAME));
}