Sending automatic mail using JSP or Servlet

Question

hello,
i was just wondering if anyone out there knows how can automatically send emails to client from my application after receiving thier email address. the email address is received from a form and i want my application to automatically send a structured email to the client as soon as they click the send button. i am using JSP and tomcat as my server. any help will be appreciated

Answer 1

You must create a class that sends the mail:
A code example would be like this:
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.*;
public class MailSender {
     public void postMail(String smtpsrv, String recipients[], String subject,
               String message, String from) throws MessagingException {
          boolean debug = false;
          //Set the host smtp address
          Properties props = new Properties();
          props.put("mail.smtp.host", smtpsrv);
          // create some properties and get the default Session
          Session session = Session.getDefaultInstance(props, null);
          session.setDebug(debug);
          // create a message
          Message msg = new MimeMessage(session);
          // set the from and to address
          InternetAddress addressFrom = new InternetAddress(from);
          msg.setFrom(addressFrom);
          InternetAddress[] addressTo = new InternetAddress[recipients.length];
          for (int i = 0; i < recipients.length; i++) {
               addressTo[i] = new InternetAddress(recipients);
          msg.setRecipients(Message.RecipientType.TO, addressTo);
          // Setting the Subject and Content Type
          msg.setSubject(subject);
          msg.setContent(message, "text/html;charset=utf-8");
          Transport.send(msg);
You 'll find out that its easy to understand the code.
I advise you not to change this code.
I also include an example of how to right the JSP code:
<%
MailSender MS = new MailSender();
try {
     MS.postMail(server, recipient,"Your E-mail Title", "BODY content", from);
     } catch (MessagingException e1) {
                    e1.printStackTrace();
%>
This JSP code follows the pattern of the above class
Hope to help you
Cheers!!!