1 <dependency>
2     <groupId>org.simplejavamail</groupId>
3     <artifactId>simple-java-mail</artifactId>
4     <version>5.1.3</version>
5 </dependency>

1 /**
2 *文件类型参考http://www.w3school.com.cn/media/media_mimeref.asp mime手册3 *@authorTele4 *5  */
6 public classDemo {7 @Test8     public void test() throwsFileNotFoundException, IOException {9
10
11         ByteArrayDataSource img1 = new ByteArrayDataSource(new FileInputStream("./src/main/resources/a.jpg"),"image/png");12
13         ByteArrayDataSource img2 = new ByteArrayDataSource(new FileInputStream("./src/main/resources/b.jpg"),"image/png");14
15         //发送多张图片
16         AttachmentResource attachmentResource1 = new AttachmentResource("image1.jpg",img1);17         AttachmentResource attachmentResource2 = new AttachmentResource("image2.jpg",img2);18
19         List<AttachmentResource> list = new ArrayList<>();20 list.add(attachmentResource1);21 list.add(attachmentResource2);22
23
24         //发送附件
25         ByteArrayDataSource zip = new ByteArrayDataSource(new FileInputStream("C:\\Users\\Administrator\\Desktop\\image.zip"),"application/zip");26
27
28         Email email =EmailBuilder.startingBlank()29                   .from("tele","账号")30                   .to("二狗", "账号")31                   .withSubject("hey,春游么,今天又是阳光明媚的一天啊")32                   .withPlainText("发送图片测试")33                   .withHeader("X-Priority", 5)34                   .withEmbeddedImage("xx.jpg",img1)35 .withEmbeddedImages(list)36               //.withAttachment("image.zip", zip)
37 .withReturnReceiptTo()38 .buildEmail();39
40         Mailer mailer =MailerBuilder41                 //smtp授权码
42                   .withSMTPServer("smtp.163.com", 25, "账号", "smtp授权码")43                   .withSessionTimeout(10 * 1000)44            //.clearEmailAddressCriteria()//turns off email validation
45                   .withProperty("mail.smtp.sendpartial", "true")46            //.withDebugLogging(true)
47 .buildMailer();48
49
50 mailer.sendMail(email);51 }52
53
54
55
56 @Test57     public void test2() throwsInterruptedException, FileNotFoundException, IOException {58         for(int i=0;i<10;i++) {59 test();60             Thread.sleep(2000);61 }62
63 }64
65
66 }

标题和内容尽量用正常的内容,否则会被标识为垃圾邮件,被系统退回,附件越大,发送的时间越长