6.JavaMail发送邮件

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1.工具类

import java.io.IOException;import java.io.InputStream;import java.util.Properties;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;  public class JavaMailUtil {      private MimeMessage message;      private Session session;      private Transport transport;      private String mailHost="";      private String sender_username="";      private String sender_password="";      private Properties properties = new Properties();      /*      * 初始化方法      */      public JavaMailUtil(boolean debug) {          InputStream in = JavaMailUtil.class.getResourceAsStream("/MailServer.properties");          try {              properties.load(in);              this.mailHost = properties.getProperty("mail.smtp.host");              this.sender_username = properties.getProperty("mail.sender.username");              this.sender_password = properties.getProperty("mail.sender.password");          } catch (IOException e) {              e.printStackTrace();          }          session = Session.getInstance(properties);          session.setDebug(debug);//开启后有调试信息          message = new MimeMessage(session);      }      /**      * 发送邮件      *       * @param subject      *            邮件主题      * @param sendHtml      *            邮件内容      * @param receiveUser      *            收件人地址      */      public  void doSendHtmlEmail(String subject, String sendHtml,              String receiveUser) {          try {              // 发件人              //InternetAddress from = new InternetAddress(sender_username);              // 下面这个是设置发送人的Nick name              InternetAddress from = new InternetAddress(" <"+sender_username+">");              message.setFrom(from);              // 收件人              InternetAddress to = new InternetAddress(receiveUser);              message.setRecipient(Message.RecipientType.TO, to);//还可以有CC、BCC              // 邮件主题              message.setSubject(subject);              String content = sendHtml.toString();              // 邮件内容,也可以使纯文本"text/plain"              message.setContent(content, "text/html;charset=UTF-8");              // 保存邮件              message.saveChanges();              transport = session.getTransport("smtp");              // smtp验证，就是你用来发邮件的邮箱用户名密码              transport.connect(mailHost, sender_username, sender_password);              // 发送              transport.sendMessage(message, message.getAllRecipients());          } catch (Exception e) {              e.printStackTrace();          }finally {              if(transport!=null){                  try {                      transport.close();                  } catch (MessagingException e) {                      e.printStackTrace();                  }              }          }      }  }

2.相关文件配置(MailServer.properties)

mail.smtp.host=smtp.mxhichina.commail.smtp.auth=truemail.smtp.port=25mail.sender.username=邮箱mail.sender.password=邮箱密码

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