Java : Send Email from Java

Java Code to send email

package com;

import java.io.File;

import java.util.Date;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.DataSource;

import javax.activation.FileDataSource;

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;

/********

* This class is used to utility that sends e-mail messages.

* @author TechHards

*******/

public class EmailSender {

    /*********

     * Sends an e-mail with attachments.

     * @param host address of the server

     * @param port port number of the server

     * @param userName email address used to send mails

     * @param password password of the email account

     * @param toAddress email address to send

     * @param subject title of the email

     * @param message content of the email

     * @param attachFiles an array of file paths

     * @throws AddressException

     * @throws MessagingException

     ********/

    public void sendEmail(String host, String port, String userName, String password,

            String toAddress, String subject, String message, String[] attachFiles)

                throws AddressException, MessagingException {

        // sets SMTP 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", "false");

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

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

        // creates a new session with an authenticator

        Authenticator auth = new SMTPAuthenticator(userName, password);

        //Authenticator auth = new SMTPAuthenticator("finance", password);

        System.out.println("Authenticator reached"+password);

        

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

        // creates a new e-mail message

        MimeMessage 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) {

                addAttachment_fnc(multipart, filePath);

            }

        }

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

        msg.setContent(multipart);

        // sends the e-mail

        Transport.send(msg);

    }

    /******

     * You can add a file as an attachment to the email's content

     * @param p_multipart

     * @param p_filePath

     * @throws MessagingException

     *****/

    private void addAttachment_fnc(Multipart p_multipart, String p_filePath) throws MessagingException {

        MimeBodyPart l_attachPart = new MimeBodyPart();

        DataSource source = new FileDataSource(p_filePath);

        attachPart.setDataHandler(new DataHandler(source));

        attachPart.setFileName(new File(p_filePath).getName());

        p_multipart.addBodyPart(l_attachPart);

    }

    /**

     * This class is used to provides authentication information.

     * @author TechHards

     *

     */

    private class SMTPAuthenticator extends javax.mail.Authenticator {

        private String userName;

        private String password;

        public SMTPAuthenticator(String p_userName, String p_password) {

            this.userName = p_userName;

            this.password = p_password;

            System.out.println("#SMTPAuthenticator reached.User:"+p_userName);

            System.out.println("SMTPAuthenticator reached.pwd:"+p_password);

        }

        public PasswordAuthentication getPasswordAuthentication() {

        

        System.out.println("# PassAuthentication reached point");

            return new PasswordAuthentication(userName, password);

        }

    }

}

-----------------------------------------------------------------------------------------------------------------------------Call Java Program to send email

-----------------------------------------------------------------------------------------------------------------------------

package com;

import javax.mail.MessagingException;

import javax.mail.internet.AddressException;

import com.EmailSender.*;

import com.EmailSender;

 

public class TechHardsEmailSender {

    public static void main(String[] args) throws AddressException, MessagingException {

        String host = "mailgate";

        String port = "25";

        String mailFrom = "techhards.admin@outlook.com";

        String mailTo = "ebs@dilmahtea.com";

        //#String mailTo = "techhards.admin@gmail.com";

        String password = "Engineer";

        String userName = "Engineer.admin";

        String subject = "News email";

        String bodyMessage = "<html><b>Hello</b><br/><i>This is an HTML email with an attachment</i></html>";

        

        EmailSender sender = new EmailSender();

        String[] fileAttachment = null ;//{"/tmp/a.pdf"};

        sender.sendEmail(host, port, mailFrom, password, mailTo, subject, bodyMessage, fileAttachment);       

    }

}

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