MailServiceSupport.java

package com.newbit.user.support;

import com.newbit.common.exception.BusinessException;
import com.newbit.common.exception.ErrorCode;
import jakarta.mail.MessagingException;
import jakarta.mail.internet.MimeMessage;
import lombok.RequiredArgsConstructor;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;

@Component
@RequiredArgsConstructor
public class MailServiceSupport {
    private final JavaMailSender mailSender;

    public void sendMailSupport(String to, String subject, String content) {
        try {
            MimeMessage message = mailSender.createMimeMessage();
            MimeMessageHelper messageHelper = new MimeMessageHelper(message, "UTF-8");

            messageHelper.setTo(to);
            messageHelper.setSubject(subject);
            messageHelper.setText(content, true);

            mailSender.send(message);
        } catch (MessagingException e) {
            throw new BusinessException(ErrorCode.MAIL_SEND_FAIL);
        }
    }

}