gmail을 통한 메일 발송

/* properties 설정 */

# Google Mail
mail.host=smtp.gmail.com
mail.port=587
mail.username=gongjetest@gmail.com
mail.password=gongje1234
mail.smtp.auth=true
mail.smtp.starttls.enable=true

=========================================================

/* context-mail.xml */
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
   <property name="host" value="${mail.host}" />
   <property name="username" value="${mail.username}" />
   <property name="password" value="${mail.password}" />
   <property name="port" value="${mail.port}" />
   <property name="javaMailProperties">
       <props>
           <prop key="mail.smtp.starttls.enable">${mail.smtp.starttls.enable}</prop>
           <prop key="mail.smtp.auth">${mail.smtp.auth}</prop>
       </props>
   </property>
</bean>

</beans>


/* CommServiceImpl.java */
package sample.common.service.impl;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

import khma.gongje.common.service.CommService;
import khma.gongje.common.service.EmailVO;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

/**
 * 공통정보 CRUD 요청을 처리하는 비즈니스 클래스
 *
 * @author  윤혁신
 * @since 2015.01.19
 * @version 1.0
 * @see <pre>
 *  == 개정이력(Modification Information) ==
 *
 *          수정일          수정자           수정내용
 *  ----------------    ------------    ---------------------------
 *   2014.01.19        윤혁신          최초 생성
 *
 * </pre>
 */
@Service
public class CommServiceImpl implements CommService {

    @Autowired
    private JavaMailSender mailSender;

/**
* 이메일 발송
* @param emailVO
* @throws Exception
*/
public void sendMail(EmailVO emailVO) throws Exception {

MimeMessage message = mailSender.createMimeMessage();
try {
            MimeMessageHelper messageHelper = new MimeMessageHelper(message, true, "UTF-8");
            messageHelper.setSubject(emailVO.getSubject());
            messageHelper.setTo(emailVO.getSendTo());
            if(emailVO.getSendCc() != null && !emailVO.getSendCc().equals("")) {
            messageHelper.setCc(emailVO.getSendCc());
            }
            if(emailVO.getSendFrom() != null && !emailVO.getSendFrom().equals("")) {
            messageHelper.setFrom(emailVO.getSendFrom());
            }
            messageHelper.setText(emailVO.getMailText(), true);
            mailSender.send(message);

        } catch (MessagingException e) {
            e.printStackTrace();
        }
}

}