Spring 웹상에서 메일 보내보기

<!-- 메일 설정 시작 --> 
    <!-- javax.mail/mail -->
    <dependency>
        <groupId>javax.mail</groupId>
        <artifactId>mail</artifactId>
        <version>1.4.7</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${org.springframework-version}</version>
    </dependency> 

<beans:bean id="mailSender"
		class="org.springframework.mail.javamail.JavaMailSenderImpl">
    <beans:property name="host" value="smtp.gmail.com" />
    <beans:property name="port" value="587" /><!-- 465 or 25 -->
    <beans:property name="username" value="본인 이메일 계정" />
    <beans:property name="password" value="해당 계정의 비밀번호" />
    <beans:property name="defaultEncoding" value="utf-8" />
    <beans:property name="javaMailProperties">
        <beans:props>
            <beans:prop key="mail.transport.protocol">smtp</beans:prop>
            <beans:prop key="mail.smtp.auth">true</beans:prop>
            <beans:prop key="mail.smtp.starttls.enable">true</beans:prop>
            <beans:prop key="mail.debug">true</beans:prop>
        </beans:props>
    </beans:property>
</beans:bean>

@Controller
public class MailSendController {
	@Autowired
	MailSender sender;
	
	@ResponseBody
	@RequestMapping("/mail/send")
	public String sendMail() {
		
		//메일내용설정해주기
		SimpleMailMessage message = new SimpleMailMessage();
		message.setTo("보내는사람 이메일~~");
		message.setSubject("hiiiiiiiiiiiii");
		message.setText("my first email to send a letter");
		message.setFrom("받는사람 이메일!!");
		
		sender.send(message);
		
		return "send OK";
	}
}

public interface JavaMailSender extends MailSender {}

@Autowired
JavaMailSender jmsender;


@ResponseBody
@RequestMapping("/mail/send/javamail")
public String sendJavaMailSender() {

    MimeMessage message = jmsender.createMimeMessage();
    try {
        //메일제목설정
        message.setSubject("[안내] 처음보내는 JAVAMAIL SENDER", "utf-8");

        //html메일내용
        String htmlStr = "<h1 style=\"color: lightblue;\">hi everyone~~</h1>"
                + "<a href=\"http://www.naver.com\">naver</a>";

        //내용설정 
        message.setText(htmlStr, "utf-8", "html");

        //TO 설정 
        message.addRecipient(RecipientType.TO, 
                             new InternetAddress("받는사람메일계정", "mand2 님", "utf-8"));

        jmsender.send(message);
    
    } catch (MessagingException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }

    return "send OK";
}

@RequestMapping("/mail/send/file")
@ResponseBody
public String sendFileAttach() {

    MimeMessage message = jmsender.createMimeMessage();

    try {
        MimeMessageHelper helper = new MimeMessageHelper(message, true, "utf-8");

        //title
        helper.setSubject("[info] file attatched");

        //content html
        String htmlStr = "<h1>file has been attatched."
            		+ "please download the file I send </h1>";

        //content setting
        helper.setText(htmlStr, true);

        //to
        helper.setTo(new InternetAddress("받는사람 메일주소", "만득이 님", "utf-8"));

        //create file instance + absolute root
        DataSource dataSource = new FileDataSource("절대경로루트");
        helper.addAttachment(MimeUtility.encodeText("파일이름", 
                                                    "utf-8", "B"), dataSource);
       	jmsender.send(message);

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

    return "send ok";
}