sendmail.java

Java Send Mail using command line arguments

/**
 * 
 */
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
/**
 * @author Dannie
 *
 */
public class SendMail extends Authenticator {

	/**
	 * @param args
	 */
	 
	public static String[] recipients = null;
	public static String subject = "";
	public static String body = "";
	public static String fromAdd = "";
	public static String mailHost = "";
	public static String smtpPort = "";
	public static String sslEnable = "";
	public static String authenticate = "";
	public static String authPassword = "";
	public static String authUser = "";
	public static String tlsEnable = "";
	public static String msgContentType = "";
	public static String charSet = "";
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
				
		recipients = args[0].split(";");
		subject = args[1];
		body = args[2];
		fromAdd = args[3];
		mailHost = args[4];
		smtpPort = args[5];
		sslEnable = args[6];
		authenticate = args[7];
		authUser = args[8];
		authPassword = args[9];
		tlsEnable = args[10];
		msgContentType = args[11];
		charSet = args[12];
		
		System.out.println("subject:"+subject);
		System.out.println("mailHost:"+mailHost);
		System.out.println("smtpPort:"+smtpPort);
		
		SendMail sendMail = new SendMail();
		try {
			sendMail.postMail(recipients, subject, body, fromAdd, mailHost, smtpPort, sslEnable, authenticate, authUser, authPassword, tlsEnable, msgContentType, charSet);
			System.out.println("Your mail has been sent sucessfully to all the recipient(s)");
		}
		catch(Exception e) {
			e.printStackTrace();
		}
	}
	

		public void postMail( String recipients[ ], String subject, String body , String fromAdd, String mailHost, String smtpPort, String sslEnable, String authenticate, String authUser, String authPassword, String tlsEnable, String msgContentType, String charSet ) throws MessagingException {
	   
		boolean debug = false;
		 //Set the host smtp address
	    Properties props = new Properties();
	    props.put("mail.smtp.host", mailHost);
	    props.put("mail.smtp.ssl.enable",sslEnable);
	    props.put("mail.smtp.starttls.enable",tlsEnable);
	    props.put("mail.smtp.auth", authenticate);	    

    	Authenticator auth = new PopupAuthenticator();

	    // create some properties and get the default Session
	    Session session = Session.getDefaultInstance(props, auth);
	    session.setDebug(debug);

	    // create a message
	    MimeMessage msg = new MimeMessage(session);
	    

	    // set the from and to address
	    InternetAddress addressFrom = new InternetAddress(fromAdd);
	    msg.setFrom(addressFrom);

	    InternetAddress[] addressTo = new InternetAddress[recipients.length]; 
	    for (int i = 0; i < recipients.length; i++)
	    {
	        addressTo[i] = new InternetAddress(recipients[i]);
	    }
	    msg.setRecipients(Message.RecipientType.TO, addressTo);
	   

	    // Optional : You can also set your custom headers in the Email if you Want
	    //msg.addHeader("MyHeaderName", "myHeaderValue");

	    // Setting the Subject and Content Type
	    msg.setSubject(subject);
	    msg.setContent(body, msgContentType);
	    msg.setText(body, charSet);
	    Transport.send(msg);
	}
	
	 static class PopupAuthenticator extends Authenticator {
        public PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(authUser, authPassword);
        }
    }
	
}