//发送邮箱验证try {Properties prop = new Properties();prop.setProperty("mail.transport.protocol", "smtp");prop.setProperty("mail.smtp.host", "smtp.qq.com");prop.setProperty("mail.smtp.auth", "true");prop.put("mail.smtp.port","25");prop.setProperty("mail.debug", "true");Authenticator authenticator = new PopAuthenticator("1274444444@qq.com", "4444444");//创建会话Session session = Session.getInstance(prop,authenticator);//填写信封写信Message msg = new MimeMessage(session);msg.setFrom(new InternetAddress("1271099894@qq.com"));msg.setRecipient(RecipientType.TO, new InternetAddress(user.getEmail()));msg.setSubject(user.getUsername()+"激活邮箱!");msg.setText(user.getUsername()+",你好请到这个地址激活你的账号：http://www.estore.com/ActiveServlet?activecode="+user.getActivecode());//验证用户名密码发送邮件Transport transport = session.getTransport();
//transport.connect("1274444444@qq.com","4444444");
            transport.send(msg);} 

public class PopAuthenticator extends Authenticator {String userName = null;String password = null;public PopAuthenticator() {}public PopAuthenticator(String username, String password) {this.userName = username;this.password = password;}protected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(userName, password);}
}

MimeMessage mailMessage = new MimeMessage(sendMailSession);mailMessage.setFrom(new InternetAddress("1219999@qq.com"));// Message.RecipientType.TO属性表示接收者的类型为TOmailMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(to));mailMessage.setSubject(subject, "UTF-8");mailMessage.setSentDate(new Date());// MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象Multipart mainPart = new MimeMultipart();// 创建一个包含HTML内容的MimeBodyPartBodyPart html = new MimeBodyPart();html.setContent(content.trim(), "text/html; charset=utf-8");mainPart.addBodyPart(html);mailMessage.setContent(mainPart);Transport.send(mailMessage);