How to send E-Mail with Attachment using Java Mail API

package com.onlinecodegeek.javamail;

 

import java.io.IOException;

import java.util.Date;

import java.util.Properties;

 

import javax.mail.Authenticator;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

 

public class EmailWithAttachment {

 

    public static void sendEmailWithAttachments(String host, String port,

            final String userName, final String password, String toAddress,

            String subject, String message, String[] attachFiles)

            throws AddressException, MessagingException {

        // sets SMTP server properties

        Properties properties = new Properties();

        properties.put("mail.smtp.host", host);

        properties.put("mail.smtp.port", port);

        properties.put("mail.smtp.auth", "true");

        properties.put("mail.smtp.starttls.enable", "true");

        properties.put("mail.user", userName);

        properties.put("mail.password", password);

 

        // creates a new session with an authenticator

        Authenticator auth = new Authenticator() {

            public PasswordAuthentication getPasswordAuthentication() {

                return new PasswordAuthentication(userName, password);

            }

        };

        Session session = Session.getInstance(properties, auth);

 

        // creates a new e-mail message

        Message msg = new MimeMessage(session);

 

        msg.setFrom(new InternetAddress(userName));

        InternetAddress[] toAddresses = { new InternetAddress(toAddress) };

        msg.setRecipients(Message.RecipientType.TO, toAddresses);

        msg.setSubject(subject);

        msg.setSentDate(new Date());

 

        // creates message part

        MimeBodyPart messageBodyPart = new MimeBodyPart();

        messageBodyPart.setContent(message, "text/html");

 

        // creates multi-part

        Multipart multipart = new MimeMultipart();

        multipart.addBodyPart(messageBodyPart);

 

        // adds attachments

        if (attachFiles != null && attachFiles.length > 0) {

            for (String filePath : attachFiles) {

                MimeBodyPart attachPart = new MimeBodyPart();

 

                try {

                    attachPart.attachFile(filePath);

                } catch (IOException ex) {

                    ex.printStackTrace();

                }

 

                multipart.addBodyPart(attachPart);

            }

        }

 

        // sets the multi-part as e-mail's content

        msg.setContent(multipart);

 

        // sends the e-mail

        Transport.send(msg);

 

    }

 

    /**

     * Test sending e-mail with attachments

     */

    public static void main(String[] args) {

        // SMTP info

        String host = "smtp.gmail.com";

        String port = "587";

        String mailFrom = "your-email-address";

        String password = "your-email-password";

 

        // message info

        String mailTo = "your-friend-email";

        String subject = "New email with attachments";

        String message = "I have some attachments for you.";

 

        // attachments

        String[] attachFiles = new String[3];

        attachFiles[0] = "e:/Test/Picture.png";

        attachFiles[1] = "e:/Test/Music.mp3";

        attachFiles[2] = "e:/Test/Video.mp4";

 

        try {

            sendEmailWithAttachments(host, port, mailFrom, password, mailTo,

                subject, message, attachFiles);

            System.out.println("Email sent.");

        } catch (Exception ex) {

            System.out.println("Could not send email.");

            ex.printStackTrace();

        }

    }

}

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