Java 메일전송 예제

mirinae.maru

■ Maven dependency

<dependency>
    <groupId>javax.mail</groupId>
    <artifactId>javax.mail-api</artifactId>
    <version>1.6.2</version>
</dependency>

<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.6.0</version>
</dependency>

■ Class import

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

■ 메일전송 코드

Properties mailProps = new Properties();
mailProps.put("mail.smtp.from", "mailaddress@gmail.com");
mailProps.put("mail.smtp.host", "smtp.gmail.com");
mailProps.put("mail.smtp.port", "587");
mailProps.put("mail.smtp.auth", true);
mailProps.put("mail.smtp.socketFactory.port", "587");
mailProps.put("mail.smtp.socketFactory.class", 
    "javax.net.ssl.SSLSocketFactory");
mailProps.put("mail.smtp.socketFactory.fallback", "true");

mailProps.put("mail.smtp.starttls.enable", "true");

Session mailSession 
    = Session.getDefaultInstance(mailProps, new Authenticator() {
    @Override
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(username, password);
    }
});

MimeMessage message = new MimeMessage(mailSession);
message.setFrom(new InternetAddress(from));
String[] emails = { recipient };
InternetAddress dests[] = new InternetAddress[emails.length];
for (int i = 0; i < emails.length; i++) {
    dests[i] = new InternetAddress(emails[i].trim().toLowerCase());
}
message.setRecipients(Message.RecipientType.TO, dests);
message.setSubject(subject, "UTF-8");
Multipart mp = new MimeMultipart();
MimeBodyPart mbp = new MimeBodyPart();
mbp.setContent(body, "text/html;charset=utf-8");
mp.addBodyPart(mbp);
message.setContent(mp);
message.setSentDate(new java.util.Date());

Transport.send(message);