part1.addMimeHeader("TestMe", "alpha");
part2.addMimeHeader("Test", "gamma");
part3.addMimeHeader("TestMe", "beta");
part3.addMimeHeader("TestMe", "alpha");
part3.addMimeHeader("TestMe", "gamma");
part4.addMimeHeader("TestMe", "alpha");
part4.addMimeHeader("TestMe", "beta");
MimeHeaders headers = new MimeHeaders();
headers.addHeader("TestMe", "alpha");
headers.addHeader("TestMe", "beta");