Session mailSession = Session.getDefaultInstance(mailProps);
MimeMessage message = new MimeMessage(mailSession);
message.setFrom(new InternetAddress("test@localhost"));
String[] emails = { "valid@localhost" };
Address rcpts[] = new Address[emails.length];
for (int i = 0; i < emails.length; i++) {
rcpts[i] = new InternetAddress(emails[i].trim().toLowerCase());
}
message.setRecipients(Message.RecipientType.TO, rcpts);
message.setSubject("Testmail", "UTF-8");