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Sending Email from Java application (using gmail)

By: Narayanan in Java Tutorials on 2023年03月23日 [フレーム]

This example uses Gmail SMTP server to send an email. Make sure to replace [email protected] and your_email_password with your actual email and password respectively. Also, replace [email protected] with the email address of the recipient.

import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;
public class SendEmail {
 
 public static void main(String[] args) {
 
 final String username = "[email protected]";
 final String password = "your_email_password";
 String recipient = "[email protected]";
 
 Properties props = new Properties();
 props.put("mail.smtp.auth", "true");
 props.put("mail.smtp.starttls.enable", "true");
 props.put("mail.smtp.host", "smtp.gmail.com");
 props.put("mail.smtp.port", "587");
 
 Session session = Session.getInstance(props, new javax.mail.Authenticator() {
 protected PasswordAuthentication getPasswordAuthentication() {
 return new PasswordAuthentication(username, password);
 }
 });
 
 try {
 Message message = new MimeMessage(session);
 message.setFrom(new InternetAddress(username));
 message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipient));
 message.setSubject("Subject of Email");
 message.setText("Body of Email");
 Transport.send(message);
 System.out.println("Email Sent");
 } catch (MessagingException e) {
 throw new RuntimeException(e);
 }
 }
}

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