📄 mailservlet.java
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package javamail;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import javax.activation.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.naming.*;
import java.util.Properties;
public class MailServlet extends HttpServlet
{
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
res.setContentType("text/html");
//Get the response's PrintWriter to return text to the client.
PrintWriter toClient = res.getWriter();
try {
String toText = req.getParameter("to");
String fromText = req.getParameter("from");
String subjectText = req.getParameter("subject");
String contentText = req.getParameter("content");
SendMessage.send(toText, fromText, subjectText, contentText);
// Respond to client with a confirmation
toClient.println("<html>");
toClient.println("<title>Send mail</title>");
toClient.println("<body bgcolor=#ffffff><p>
"Your message has been sent</body>");
toClient.println("</html>");
} catch(Exception e) {
e.printStackTrace();
toClient.println("A problem occured while sending Mail " + e);
}
}
public static void send(String to, String from, String subject, String content) throws Exception {
Properties props = new Properties();
InitialContext ic = new InitialContext();
Session session = (Session)ic.lookup("MailSession");
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
msg.setSubject(subject);
msg.setSentDate(new Date());
msg.setContent(content, "text/plain");
Transport.send(msg);
}
}
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