java 通过javax.mail发送电子邮件

Posted 2021-05-08

package mail;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

public class MailDemo1 {

    public static void main(String[] args) {
        final String receiver = "[e-mail]";
        final String sender = "[e-mail]";
        final String host = "localhost";

        final Properties properties = System.getProperties();
        properties.setProperty("mail.smtp.host", host);

        final MimeMessage message = new MimeMessage(Session.getDefaultInstance(properties));

        try {
            message.setFrom(new InternetAddress(sender));
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(receiver));
            message.setSubject("Email test");
            message.setContent("<h1>Yeah!</h1><p>This is a simple HTML-Email.</p>", "text/html");

            Transport.send(message);
            System.out.println("Message sent successfully.");
        } catch (MessagingException e) {
            System.err.println("Message did not sent successfully.");
            e.printStackTrace();
        }
    }
}