Spring JavaMail 筆記

Gmail via SSL

原始碼

1. <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> 
2.    <property name="host" value="smtp.gmail.com" /> 
3.    <property name="port" value="465" /> 
4.    <property name="username" value="smtp-user" /> 
5.    <property name="password" value="smtp-passwd" /> 
6.  
7.    <property name="javaMailProperties"> 
8.        <props> 
9.            <prop key="mail.smtp.socketFactory.class">javax.net.ssl.SSLSocketFactory</prop> 
10.            <prop key="mail.smtp.auth">true</prop> 
11.        </props> 
12.    </property> 
13. </bean> 

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
    <property name="host" value="smtp.gmail.com" />
    <property name="port" value="465" />
    <property name="username" value="smtp-user" />
    <property name="password" value="smtp-passwd" />

    <property name="javaMailProperties">
        <props>
            <prop key="mail.smtp.socketFactory.class">javax.net.ssl.SSLSocketFactory</prop>
            <prop key="mail.smtp.auth">true</prop>
        </props>
    </property>
</bean>

Gmail via TLS

原始碼

1. <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> 
2.    <property name="host" value="smtp.gmail.com" /> 
3.    <property name="port" value="587" /> 
4.    <property name="username" value="smtp-user" /> 
5.    <property name="password" value="smtp-passwd" /> 
6.    <property name="javaMailProperties"> 
7.        <props> 
8.            <prop key="mail.smtp.starttls.enable">true</prop> 
9.            <prop key="mail.smtp.auth">true</prop> 
10.        </props> 
11.    </property> 
12. </bean> 

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
    <property name="host" value="smtp.gmail.com" />
    <property name="port" value="587" />
    <property name="username" value="smtp-user" />
    <property name="password" value="smtp-passwd" />
    <property name="javaMailProperties">
        <props>
            <prop key="mail.smtp.starttls.enable">true</prop>
            <prop key="mail.smtp.auth">true</prop>
        </props>
    </property>
</bean>

Sample Code

1. package test_mail; 
2.  
3. import javax.mail.Message; 
4. import javax.mail.MessagingException; 
5. import javax.mail.internet.MimeMessage; 
6.  
7. import org.springframework.context.support.AbstractApplicationContext; 
8. import org.springframework.context.support.ClassPathXmlApplicationContext; 
9. import org.springframework.mail.SimpleMailMessage; 
10. import org.springframework.mail.javamail.JavaMailSender; 
11. import org.springframework.mail.javamail.MimeMessageHelper; 
12.  
13. public class TestSpringMail { 
14.  
15.    public static void main( String[] args ) throws Exception { 
16.  
17.        AbstractApplicationContext context 
18.            = new ClassPathXmlApplicationContext("test_mail/spring-mail.xml"); 
19.  
20.        JavaMailSender mailSender  
21.            = (JavaMailSender) context.getBean("mailSender"); 
22.  
23.        sample1(mailSender); 
24.        sample2(mailSender); 
25.        sample3(mailSender); 
26.  
27.        context.close(); 
28.    } 
29.  
30.  
31.    public static void sample1(JavaMailSender mailSender) throws Exception { 
32.        MimeMessage mimeMessage = mailSender.createMimeMessage(); 
33.  
34.        mimeMessage.setFrom("from@no-spam.com"); 
35.        mimeMessage.setRecipients( 
36.            Message.RecipientType.TO, "to@no-spam.com" 
37.        ); 
38.        mimeMessage.setSubject("Testing Subject"); 
39.        mimeMessage.setContent( 
40.            "<b>Testing Content.</b>",  
41.            "text/html; charset=utf-8" 
42.        ); 
43.  
44.        mailSender.send(mimeMessage); 
45.    } 
46.  
47.  
48.    public static void sample2(JavaMailSender mailSender) throws Exception { 
49.        MimeMessage mimeMessage = mailSender.createMimeMessage(); 
50.        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, "utf-8"); 
51.  
52.        message.setFrom("from@no-spam.com"); 
53.        message.setTo("to@no-spam.com"); 
54.        message.setSubject("Testing Subject"); 
55.        message.setText("<b>Testing Content.</b>", true); 
56.  
57.        mailSender.send(mimeMessage); 
58.    } 
59.  
60.  
61.    public static void sample3(JavaMailSender mailSender) { 
62.        SimpleMailMessage message = new SimpleMailMessage(); 
63.        message.setFrom("from@no-spam.com"); 
64.        message.setTo("to@no-spam.com"); 
65.        message.setSubject("Testing Subject"); 
66.        message.setText("Testing Content."); 
67.  
68.        mailSender.send(message); 
69.    } 
70.  
71. } 

package test_mail;

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

import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;

public class TestSpringMail {

    public static void main( String[] args ) throws Exception {

        AbstractApplicationContext context
            = new ClassPathXmlApplicationContext("test_mail/spring-mail.xml");

        JavaMailSender mailSender 
            = (JavaMailSender) context.getBean("mailSender");

        sample1(mailSender);
        sample2(mailSender);
        sample3(mailSender);

        context.close();
    }


    public static void sample1(JavaMailSender mailSender) throws Exception {
        MimeMessage mimeMessage = mailSender.createMimeMessage();

        mimeMessage.setFrom("from@no-spam.com");
        mimeMessage.setRecipients(
            Message.RecipientType.TO, "to@no-spam.com"
        );
        mimeMessage.setSubject("Testing Subject");
        mimeMessage.setContent(
            "<b>Testing Content.</b>", 
            "text/html; charset=utf-8"
        );

        mailSender.send(mimeMessage);
    }


    public static void sample2(JavaMailSender mailSender) throws Exception {
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper message = new MimeMessageHelper(mimeMessage, "utf-8");

        message.setFrom("from@no-spam.com");
        message.setTo("to@no-spam.com");
        message.setSubject("Testing Subject");
        message.setText("<b>Testing Content.</b>", true);

        mailSender.send(mimeMessage);
    }


    public static void sample3(JavaMailSender mailSender) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom("from@no-spam.com");
        message.setTo("to@no-spam.com");
        message.setSubject("Testing Subject");
        message.setText("Testing Content.");

        mailSender.send(message);
    }

}

參考自：
JavaMail API – Sending email via Gmail SMTP example : Mkyong
Spring – Sending e-mail with attachment : Mkyong
Spring – Define an E-mail template in bean configuration file : Mkyong
Spring – Sending E-mail via Gmail SMTP server with MailSender : Mkyong