maven 引用如下

  <dependency>              <groupId> org.apache.geronimo.specs</groupId>              <artifactId>geronimo-javamail_1.4_spec </artifactId>              <version>1.3</version>          </dependency>          <dependency>            <groupId>org.apache.commons</groupId>            <artifactId>commons-email</artifactId>            <version>1.2</version>          </dependency>

public void sendMail(){              try{                  Properties props=new Properties();                  props.put("mail.smtp.host", host);                  props.put("mail.smtp.auth", "true");                  Session mailSession = Session.getInstance(props);                    //设置session,和邮件服务器进行通讯。                  mailSession.setDebug(true);                  MimeMessage message = new MimeMessage(mailSession);                  message.setSubject(mail_subject); // 设置邮件主题                  message.setText(mail_body); // 设置邮件正文                  message.setHeader(mail_head_name, mail_head_value); // 设置邮件标题                    message.setSentDate(new Date()); // 设置邮件发送日期                  InternetAddress address = new InternetAddress(mail_from, personalName);                  message.setFrom(address); // 设置邮件发送者的地址                  InternetAddress toAddress = new InternetAddress(mail_to); // 设置邮件接收方的地址                  message.addRecipient(Message.RecipientType.TO, toAddress);                  Transport transport = null;                  transport = mailSession.getTransport("smtp");                    message.saveChanges();                  transport.connect(host, username, password);                  transport.sendMessage(message, message.getAllRecipients());                  transport.close();                    System.out.println("send success!");              }catch (Exception ex){                  ex.printStackTrace();              }          }