Java 郵件發送，java郵件發送

Java 郵件發送，java郵件發送
郵件發送小程式：

import java.util.Properties;import java.util.Scanner;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMessage.RecipientType;public class Main {        // 寄件者    private static String user = "";    // 密碼    private static String pass = "";     // 收件者    private static String to = "";    // 主題    private static String subject = "";    // 內容    private static String content = "";    // 初始化串連郵件伺服器的會話資訊    private static Properties props = new Properties();         static {        // 郵件發送協議         props.setProperty("mail.transport.protocol", "smtp");        // SMTP郵件伺服器        props.setProperty("mail.smtp.host", "smtp.263.net");        // SMTP郵件伺服器預設連接埠        props.setProperty("mail.smtp.port", "25");    }    public static void main(String[] args) throws Exception {                sendTextEmail();    }        public static void sendTextEmail() throws Exception {                //輸入擷取        Scanner info = new Scanner(System.in);        System.out.println("帳號：");        user = info.nextLine();                System.out.println("密碼：");        pass = info.nextLine();                System.out.println("收件者郵箱：");        to = info.nextLine();                System.out.println("主題：");        subject = info.nextLine();                System.out.println("郵件內容：");        content = info.nextLine();                        // 建立Session        Session session = Session.getDefaultInstance(props);                 // 建立MimeMessage        MimeMessage message = new MimeMessage(session);        // 設定寄件者        message.setFrom(new InternetAddress(user));        // 設定郵件主題        message.setSubject(subject);        // 設定收件者        message.setRecipient(RecipientType.TO, new InternetAddress(to));        // 設定內容        message.setText(content);        // 儲存郵件內容        message.saveChanges();                 // 獲得Transport        Transport transport = session.getTransport();        transport.connect(user, pass);        // 發送郵件        transport.sendMessage(message, message.getAllRecipients());        transport.close();    } }