jodd-mail/src/main/java/jodd/mail/ReceiveMailSession.java
public void updateEmailFlags(final ReceivedEmail receivedEmail) {
		useAndOpenFolderIfNotSet();
		try {
			folder.setFlags(new int[] {receivedEmail.messageNumber()}, receivedEmail.flags(),true);
		} catch (MessagingException mex) {
			throw new MailException("Failed to fetch messages", mex);
		}
	}
public void updateEmailFlags(final ReceivedEmail receivedEmail) {
		useAndOpenFolderIfNotSet();
		try {
			folder.setFlags(new int[] {receivedEmail.messageNumber()}, receivedEmail.flags(),true);
		} catch (MessagingException mex) {
			throw new MailException("Failed to fetch messages", mex);
		}
	}
Updates the email flags on the server.