public static final String TO = "To: anyuser <any@user>";
public void testHeader() throws Exception {
Header header = new HeaderImpl();
header.addField(DefaultFieldParser.parse(SUBJECT));
header.addField(DefaultFieldParser.parse(TO));
assertNotNull("Subject found", header.getField("Subject"));
assertNotNull("To found", header.getField("To"));
assertEquals("Headers equals", SUBJECT + "\r\n" + TO + "\r\n", header