[JAVA] SMTP와 Mail 발송하기 (구글)

package mailsend;
 
import java.util.Properties;
 
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
 
public class mailsend {
    public static void main(String[] args) {
        final String user = "email@gmail.com";
        final String password = "password";
        
        Properties prop = new Properties();
        prop.put("mail.smtp.host", "smtp.gmail.com");
        prop.put("mail.smtp.port", 465);
        prop.put("mail.smtp.auth", "true");
        prop.put("mail.smtp.ssl.enable", "true");
        prop.put("mail.smtp.ssl.trust", "smtp.gmail.com");
        
        Session session = Session.getDefaultInstance(prop, new javax.mail.Authenticator() {
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(user, password);
            }
        });
        
        try {
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(user));
            
            message.addRecipient(Message.RecipientType.TO, new InternetAddress("email@naver.com"));
            
            message.setSubject("메일 테스팅중....!");
            message.setText("메일 내용 테스트");
            
            Transport.send(message);
            System.out.println("message sent successfully....");            
            
            
        } catch (AddressException e) {
            // TODO: handle exception
            e.printStackTrace();
        } catch (MessagingException e) {
            // TODO: handle exception
            e.printStackTrace();
        }
        
    }
}
 

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메일 수신 확인..

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