<dependency>

     <groupId>org.simplejavamail</groupId>

     <artifactId>simple-java-mail</artifactId>

     <version>5.1.3</version>

 </dependency>

 /**

  *文件类型参考http://www.w3school.com.cn/media/media_mimeref.asp mime手册

  *@author Tele

  *

  */

 public class Demo {

     @Test

     public void test() throws FileNotFoundException, IOException {

         ByteArrayDataSource img1 = new ByteArrayDataSource(new FileInputStream("./src/main/resources/a.jpg"),"image/png");

         ByteArrayDataSource img2 = new ByteArrayDataSource(new FileInputStream("./src/main/resources/b.jpg"),"image/png");

         //发送多张图片

         AttachmentResource attachmentResource1 = new AttachmentResource("image1.jpg",img1);

         AttachmentResource attachmentResource2 = new AttachmentResource("image2.jpg",img2);

         List<AttachmentResource> list = new ArrayList<>();

         list.add(attachmentResource1);

         list.add(attachmentResource2);

         //发送附件

         ByteArrayDataSource zip = new ByteArrayDataSource(new FileInputStream("C:\\Users\\Administrator\\Desktop\\image.zip"),"application/zip");

         Email email = EmailBuilder.startingBlank()

                   .from("tele","账号")

                   .to("二狗", "账号")

                   .withSubject("hey,春游么,今天又是阳光明媚的一天啊")

                   .withPlainText("发送图片测试")

                   .withHeader("X-Priority", 5)

                   .withEmbeddedImage("xx.jpg",img1)

                   .withEmbeddedImages(list)

               //    .withAttachment("image.zip", zip)

                   .withReturnReceiptTo()

                   .buildEmail();

         Mailer mailer = MailerBuilder

                 //smtp授权码

                   .withSMTPServer("smtp.163.com", 25, "账号", "smtp授权码")

                   .withSessionTimeout(10 * 1000)

            //       .clearEmailAddressCriteria() // turns off email validation

                   .withProperty("mail.smtp.sendpartial", "true")

            //       .withDebugLogging(true)

                   .buildMailer();

         mailer.sendMail(email);

     }

     @Test

     public void test2() throws InterruptedException, FileNotFoundException, IOException {

         for(int i=0;i<10;i++) {

             test();

             Thread.sleep(2000);

         }

     }

 }