smtp協議：

telnet smtp.qq.com 25

ehlo kevin

auth login

eGlhbmdqaWU1NUBxcS5jb20=

a2V2aW5feGlhbmc1NQ==

mail from:

rcpt to:<626852095@qq.com>

data

from:

to:<626852095@qq.com>

subject:test

xxxxxxxxxxxxxxxxxxxxxxxxxxx

.

quit

郵件生成：

public class ImageMail {

/**

* 帶圖片的郵件

*/

public static void main(String[] args) throws Exception {

Session session = Session.getInstance(new Properties());

MimeMessage message = new MimeMessage(session);

//設置郵件的基本信息

message.setFrom(new InternetAddress("xx@sina.com"));

message.setRecipient(Message.RecipientType.TO, new InternetAddress("xx@sina.com"));

message.setSubject("test");

//準備郵件數據

//準備郵件正文數據

MimeBodyPart text = new MimeBodyPart();

text.setContent("xxxxxxxxxxxxx", "text/html");

//準備圖片數據

MimeBodyPart image = new MimeBodyPart();

DataHandler dh = new DataHandler(new FileDataSource("src\\1.jpg"));

image.setDataHandler(dh);

image.setContentID("xxx.jpg");

//描述數據關系

MimeMultipart mm = new MimeMultipart();

mm.addBodyPart(text);

mm.addBodyPart(image);

mm.setSubType("related");

message.setContent(mm);

message.saveChanges();

message.writeTo(new FileOutputStream("c:\\1.eml"));

}

}// 文字 附件 圖片 混合右鍵

public class MixedMail {

/**

* 最復雜的郵件

* @throws MessagingException

* @throws AddressException

*/

public static void main(String[] args) throws Exception {

Session session = Session.getInstance(new Properties());

MimeMessage message = new MimeMessage(session);

//設置郵件的基本信息

message.setFrom(new InternetAddress("xx@sina.com"));

message.setRecipient(Message.RecipientType.TO, new InternetAddress("xx@sina.com"));

message.setSubject("測試");

//正文

MimeBodyPart text = new MimeBodyPart();

text.setContent("xxx這是女的xxxx","text/html;charset=UTF-8");

//圖片

MimeBodyPart image = new MimeBodyPart();

image.setDataHandler(new DataHandler(new FileDataSource("src\\3.jpg")));

image.setContentID("aaa.jpg");

//附件1

MimeBodyPart attach = new MimeBodyPart();

DataHandler dh = new DataHandler(new FileDataSource("src\\4.zip"));

attach.setDataHandler(dh);

attach.setFileName(dh.getName());

//附件2

MimeBodyPart attach2 = new MimeBodyPart();

DataHandler dh2 = new DataHandler(new FileDataSource("src\\波子.zip"));

attach2.setDataHandler(dh2);

attach2.setFileName(MimeUtility.encodeText(dh2.getName()));

//描述關系:正文和圖片

MimeMultipart mp1 = new MimeMultipart();

mp1.addBodyPart(text);

mp1.addBodyPart(image);

mp1.setSubType("related");

//描述關系:正文和附件

MimeMultipart mp2 = new MimeMultipart();

mp2.addBodyPart(attach);

mp2.addBodyPart(attach2);

MimeBodyPart content = new MimeBodyPart(); //代表正文的bodypart

content.setContent(mp1);

mp2.addBodyPart(content);

mp2.setSubType("mixed");

message.setContent(mp2);

message.saveChanges();

message.writeTo(new FileOutputStream("c:\\3.eml"));

}

}

郵件發送：

public class Sendmail {

/**

* @param args

* @throws Exception

*/

public static void main(String[] args) throws Exception {

Properties prop = new Properties();

prop.setProperty("mail.host", "smtp.163.com");

prop.setProperty("mail.transport.protocol", "smtp");

prop.setProperty("mail.smtp.auth", "true");

//創建session

Session session = Session.getInstance(prop);

session.setDebug(true);

//通過session得到transport對象

Transport ts = session.getTransport();

//連上郵件服務器

ts.connect("smtp.163.com", "xiangjie012455", "012455");

//發送郵件

Message message = makeMessage(session);

ts.sendMessage(message, message.getAllRecipients());

ts.close();

}

public static Message makeMessage(Session session) throws Exception, MessagingException{

MimeMessage message = new MimeMessage(session);

message.setFrom(new InternetAddress("xiangjie012455@163.com"));

message.setRecipient(Message.RecipientType.TO, new InternetAddress("kevin_xiang55@163.com"));

message.setSubject("test");

message.setContent("aaa", "text/html");

return message;

}

}

總結

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