Send mail using java (Exchange Server)

External jar needs to be added is "mail.jar".
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package com.myExample.mail;

public class Client {

      public static void main(String[] args) {

            String To = "abc1@xyz.com; abc2@xyz.com ; abc3@xyz.com ";

            String CC = " abc4@xyz.com; abc5@xyz.com ; abc6@xyz.com ";

            String BCC = "abc@xyz.com";

            String From = "myExmp@ddd.com";

            String Subject = "Test subject line.";

            String Body = "Test mail Body.";

            MailExample obj = new MailExample();

            obj.sendAMail(To, CC, BCC, From, Body, Subject);

      }

}

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package com.myExample.mail;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Iterator;

import java.util.List;

import java.util.Properties;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMessage.RecipientType;

public class MailExample {

                public void sendAMail(String To, String CC, String BCC, String From,

                                                String Body, String Subject) {

                                try {

                                                Sendmail(To, CC, BCC, From, Body, Subject);

                                } catch (MessagingException ex) {

                                                Logger.getLogger(MailExample.class.getName()).log(Level.SEVERE,

                                                                                null, ex);

                                }

                }

                public void Sendmail(String To, String CC, String BCC, String From,

                                                String Body, String Subject) throws MessagingException {

                                Message message = new MimeMessage(getSession());

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

                                                //Separate "To" mail address based on ";" separator and set it into mail "To" address.

                                                Iterator<String> ToIterator=this.getAddressList(To).iterator();

                                                while(ToIterator.hasNext()){

                                                                message.addRecipient(RecipientType.TO, new InternetAddress(ToIterator.next()));

                                                }

                                               

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

                                                                //Separate "CC" mail address based on ";" separator and set it into mail "CC" address.

                                                                Iterator<String> CCIterator=this.getAddressList(CC).iterator();

                                                                while(CCIterator.hasNext()){

                                                                                message.addRecipient(RecipientType.CC, new InternetAddress(CCIterator.next()));

                                                                }

                                                }

                                                               

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

                                                                //Separate "BCC" mail address based on ";" separator and set it into mail "BCC" address.

                                                                Iterator<String> BCCIterator=this.getAddressList(BCC).iterator();

                                                                while(BCCIterator.hasNext()){

                                                                                message.addRecipient(RecipientType.BCC, new InternetAddress(BCCIterator.next()));

                                                                }

                                                }

                                               

                                                if (From != null && From.trim().length() > 0)

                                                                message.addFrom(new InternetAddress[] { new InternetAddress(

                                                                                                From) });

                                                message.setSubject(Subject);

                                                message.setContent(Body, "text/plain");

                                }

                                System.out.println("Sending mail .............................");

                                Transport.send(message);

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

                }

                private Session getSession() {

                                Authenticator authenticator = new Authenticator();

                                Properties properties = new Properties();

                                properties.setProperty("mail.smtp.submitter", authenticator

                                                                .getPasswordAuthentication().getUserName());

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

                                properties.setProperty("mail.smtp.host", "172.16.16.99");

                                properties.setProperty("mail.smtp.port", "25");

                                return Session.getInstance(properties, authenticator);

                }

                private class Authenticator extends javax.mail.Authenticator {

                                private PasswordAuthentication authentication;

                                public Authenticator() {

                                                String username = "username";

                                                String password = password";

                                                authentication = new PasswordAuthentication(username, password);

                                }

                                protected PasswordAuthentication getPasswordAuthentication() {

                                                return authentication;

                                }

                }

               

                //Separate string using ';' separator.

                private List<String> getAddressList(String address){

                                String mailAddress=address;

                                List<String> mailAddressList = null;

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

                                                mailAddressList = new ArrayList<String>();

                                                if(mailAddress.contains(";")){

                                                                mailAddressList=Arrays.asList(mailAddress.split(";"));

                                                }else{

                                                                mailAddressList.add(mailAddress.trim());

                                                }

                                }

                                return mailAddressList;

                }

}