@Test
public void testIsAllowed() {

	assertTrue(MessageIdUtils.isAllowed("`a#very$special%id!@some-where+{%&'*/}?^~|"));
	assertFalse(MessageIdUtils.isAllowed(""));
	assertFalse(MessageIdUtils.isAllowed("just a test@holodeck-b2b.org"));    	
	assertFalse(MessageIdUtils.isAllowed("just[8]test@holodeck-b2b.org"));    	
}