发送邮箱需要去开启 POP3/SMTP服务, 下面所有的密码都是授权码!!!!
qq邮箱的设置在QQ邮箱-->设置-->账号-->进行设置 
package com.zgd.bos.utils; import java.util.Properties; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMessage.RecipientType; public class MailUtils { //邮件服务器主机地址 // private static String HOST="localhost"; private static String HOST="smtp.163.com"; //帐号 // private static String ACCOUNT = "zzzgdx@zgd.com"; private static String ACCOUNT = "guodongzhu@163.com"; //密码 // private static String PASSWORD = "123"; private static String PASSWORD = "zhang123"; /** * @param toUser 发送邮件给谁 * @param title 邮件的标题 * @param emailMsg 邮件信息 */ public static void sendMail(String toUser,String title, String emailMsg)throws AddressException, MessagingException { // 1.创建一个程序与邮件服务器会话对象 Session Properties props = new Properties(); //设置发送的协议 props.setProperty("mail.transport.protocol", "SMTP"); //设置发送邮件的服务器 props.setProperty("mail.host", HOST); props.setProperty("mail.smtp.auth", "true");// 指定验证为true // 创建验证器 Authenticator auth = new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { //设置发送人的帐号和密码 帐号 授权码 return new PasswordAuthentication(ACCOUNT, PASSWORD); } }; //会话 Session session = Session.getInstance(props, auth); // 2.创建一个Message，它相当于是邮件内容 Message message = new MimeMessage(session); //设置发送者 message.setFrom(new InternetAddress(ACCOUNT)); //设置发送方式与接收者 message.setRecipient(RecipientType.TO, new InternetAddress(toUser)); //设置邮件主题 message.setSubject(title); // message.setText("这是一封激活邮件，请<a href='#'>点击</a>"); //设置邮件内容 message.setContent(emailMsg, "text/html;charset=utf-8"); // 3.创建 Transport用于将邮件发送 Transport.send(message); } public static void main(String[] args) throws AddressException, MessagingException { // MailUtils.sendMail("zzzgdx@foxmail.com", "祝福邮件2", "哈哈哈"); MailUtils.sendMail("zzzgdx@foxmail.com", "祝福邮件2", "这是正文"); } }package com.zgd.bos.utils; import java.util.Properties; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMessage.RecipientType; public class MailUtils { //邮件服务器主机地址 // private static String HOST="localhost"; private static String HOST="smtp.qq.com"; //帐号 // private static String ACCOUNT = "zzzgdx@zgd.com"; private static String ACCOUNT = "guodongzhu@163.com"; //密码 // private static String PASSWORD = "123"; private static String PASSWORD = "zhang123"; /** * @param toUser 发送邮件给谁 * @param title 邮件的标题 * @param emailMsg 邮件信息 */ public static void sendMail(String toUser,String title, String emailMsg)throws AddressException, MessagingException { // 1.创建一个程序与邮件服务器会话对象 Session Properties props = new Properties(); //设置发送的协议 props.setProperty("mail.transport.protocol", "SMTP"); //设置发送邮件的服务器 props.setProperty("mail.host", HOST); props.setProperty("mail.smtp.auth", "true");// 指定验证为true // 创建验证器 Authenticator auth = new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { //设置发送人的帐号和密码 帐号 授权码 return new PasswordAuthentication(ACCOUNT, PASSWORD); } }; //会话 Session session = Session.getInstance(props, auth); // 2.创建一个Message，它相当于是邮件内容 Message message = new MimeMessage(session); //设置发送者 message.setFrom(new InternetAddress(ACCOUNT)); //设置发送方式与接收者 message.setRecipient(RecipientType.TO, new InternetAddress(toUser)); //设置邮件主题 message.setSubject(title); // message.setText("这是一封激活邮件，请<a href='#'>点击</a>"); //设置邮件内容 message.setContent(emailMsg, "text/html;charset=utf-8"); // 3.创建 Transport用于将邮件发送 Transport.send(message); } public static void main(String[] args) throws AddressException, MessagingException { // MailUtils.sendMail("zzzgdx@foxmail.com", "祝福邮件2", "哈哈哈"); MailUtils.sendMail("zzzgdx@foxmail.com", "祝福邮件2", "哈哈哈这是正文"); } } 文章来源: 发送邮件工具类