Send email in Java with gmail SMTP

Send email in Java with gmail SMTP example.

MailUtil.java

VIEW PLAINPRINT?

1. package mailtest;  
2.   
3. import java.io.UnsupportedEncodingException;  
4. import java.util.Properties;  
5. import java.util.logging.Level;  
6. import java.util.logging.Logger;  
7. import javax.mail.Authenticator;  
8. import javax.mail.Message;  
9. import javax.mail.MessagingException;  
10. import javax.mail.PasswordAuthentication;  
11. import javax.mail.Session;  
12. import javax.mail.Transport;  
13. import javax.mail.internet.InternetAddress;  
14. import javax.mail.internet.MimeMessage;  
15.   
16. public class MailUtil {  
17.   
18.     private String SMTP_HOST = "smtp.gmail.com";  
19.     private String FROM_ADDRESS = "yourname@gmail.com";  
20.     private String PASSWORD = "yourpassword";  
21.     private String FROM_NAME = "Sameera";  
22.   
23.     public boolean sendMail(String[] recipients, String[] bccRecipients, String subject, String message) {  
24.         try {  
25.             Properties props = new Properties();  
26.             props.put("mail.smtp.host", SMTP_HOST);  
27.             props.put("mail.smtp.auth", "true");  
28.             props.put("mail.debug", "false");  
29.             props.put("mail.smtp.ssl.enable", "true");  
30.   
31.             Session session = Session.getInstance(props, new SocialAuth());  
32.             Message msg = new MimeMessage(session);  
33.   
34.             InternetAddress from = new InternetAddress(FROM_ADDRESS, FROM_NAME);  
35.             msg.setFrom(from);  
36.   
37.             InternetAddress[] toAddresses = new InternetAddress[recipients.length];  
38.             for (int i = 0; i < recipients.length; i++) {  
39.                 toAddresses[i] = new InternetAddress(recipients[i]);  
40.             }  
41.             msg.setRecipients(Message.RecipientType.TO, toAddresses);  
42.   
43.   
44.             InternetAddress[] bccAddresses = new InternetAddress[bccRecipients.length];  
45.             for (int j = 0; j < bccRecipients.length; j++) {  
46.                 bccAddresses[j] = new InternetAddress(bccRecipients[j]);  
47.             }  
48.             msg.setRecipients(Message.RecipientType.BCC, bccAddresses);  
49.   
50.             msg.setSubject(subject);  
51.             msg.setContent(message, "text/plain");  
52.             Transport.send(msg);  
53.             return true;  
54.         } catch (UnsupportedEncodingException ex) {  
55.             Logger.getLogger(MailUtil.class.getName()).log(Level.SEVERE, null, ex);  
56.             return false;  
57.   
58.         } catch (MessagingException ex) {  
59.             Logger.getLogger(MailUtil.class.getName()).log(Level.SEVERE, null, ex);  
60.             return false;  
61.         }  
62.     }  
63.   
64.     class SocialAuth extends Authenticator {  
65.   
66.         @Override  
67.         protected PasswordAuthentication getPasswordAuthentication() {  
68.   
69.             return new PasswordAuthentication(FROM_ADDRESS, PASSWORD);  
70.   
71.         }  
72.     }  
73. }  

Main.java

VIEW PLAINPRINT?

1. package mailtest;  
2.   
3. public class Main {  
4.   
5.     public static void main(String[] args) {  
6.         String[] recipients = new String[]{"youremail@yahoo.com"};  
7.         String[] bccRecipients = new String[]{"youremail@gmail.com"};  
8.         String subject = "Hi this is test Mail";  
9.         String messageBody = "Test Mail from codesstore.blogspot.com";  
10.   
11.         new MailUtil().sendMail(recipients, bccRecipients, subject, messageBody);  
12.   
13.     }  
14. }  
15.    

Note: mail.jar  is required.

Can add multiple recipients and BCC recipients 

VIEW PLAINPRINT?

1. String[] recipients = new String[]{"youremail@yahoo.com","youremail2@yahoo.com"};  

Instead of msg.setContent(message, "text/plain") you can use msg.setContent(message, "text/html") then you can add html tags to message body.