Java Mail编程传奇：开发强大而高效的电子邮件应用

import javax.mail.*;
import javax.mail.internet.*;

public class SendEmail {
public static void main(String[] args) {
// 设置发件人信息
String from = "your_email_address@example.com";
String passWord = "your_password";

// 设置收件人信息
String to = "recipient_email_address@example.com";

// 设置邮件主题和内容
String subject = "Hello from Java Mail!";
String content = "This is a test email sent using Java Mail.";

// 创建一个Java Mail Session对象
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.example.com");
props.put("mail.smtp.port", "25");
props.put("mail.smtp.auth", "true");

Session session = Session.getDefaultInstance(props,
new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(from, password);
}
});

// 创建一个电子邮件消息对象
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(to));
message.setSubject(subject);
message.setText(content);

// 将电子邮件消息发送到SMTP服务器
Transport.send(message);

System.out.println("Email sent successfully!");
}
}

import javax.mail.*;
import javax.mail.internet.*;

public class ReceiveEmail {
public static void main(String[] args) {
// 设置收件人信息
String username = "your_email_address@example.com";
String password = "your_password";

// 创建一个Java Mail Session对象
Properties props = new Properties();
props.put("mail.pop3.host", "pop3.example.com");
props.put("mail.pop3.port", "110");
props.put("mail.pop3.auth", "true");

Session session = Session.getDefaultInstance(props,
new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});

// 连接到POP3服务器
Store store = session.getStore("pop3");
store.connect();

// 获取电子邮件消息列表
Folder inbox = store.getFolder("INBOX");
inbox.open(Folder.READ_ONLY);

Message[] messages = inbox.getMessages();

// 获取电子邮件消息的详细信息
for (Message message : messages) {
System.out.println("From: " + message.getFrom()[0].getAddress());
System.out.println("Subject: " + message.getSubject());
System.out.println("Content: " + message.getContent());
}

// 关闭连接
inbox.close();
store.close();
}
}

import javax.mail.*;
import javax.mail.internet.*;

public class ManageEmail {
public static void main(String[] args) {
// 设置收件人信息
String username = "your_email_address@example.com";
String password = "your_password";

// 创建一个Java Mail Session对象
Properties props = new Properties();
props.put("mail.imap.host", "imap.example.com");
props.put("mail.imap.port", "993");
props.put("mail.imap.auth", "true");

Session session = Session.getDefaultInstance(props,
new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});

// 连接到IMAP服务器
Store store = session.getStore("imap");
store.connect();

// 获取电子邮件消息列表
Folder inbox = store.getFolder("INBOX");
inbox.open(Folder.READ_WRITE);

// 创建一个新的文件夹
Folder newFolder = inbox.createFolder("New Folder");

// 移动电子邮件消息到新的文件夹
Message[] messages = inbox.getMessages();
inbox.copyMessages(messages, newFolder);

// 删除电子邮件消息
inbox.deleteMessages(messages);

// 关闭连接
newFolder.close();
inbox.close();
store.close();
}
}