Untitled

// MailServlet.java

package projeto;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.SimpleEmail;

public class EmailServlet extends HttpServlet {

  protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
      SimpleEmail simpleMail = new SimpleEmail();
      simpleMail.setDebug(true);
      simpleMail.setHostName("smtp.gmail.com");
      simpleMail.setAuthentication("xxx@gmail.com", "xxx"); // meu (falso) e-mail e senha
      simpleMail.setSSL(true);
      simpleMail.addTo("xxx@gmail.com");
      simpleMail.setFrom("antonioni.rocha@gmail.com");
      simpleMail.setSubject("Olá");
      simpleMail.setMsg("A mensagem chegou.");
      simpleMail.send();

      out.println("<html>");
      out.println("<head>");
      out.println("<title>Servlet EmailServlet</title>");
      out.println("</head>");
      out.println("<body>");
      out.println("<h1>E-mail enviado.</h1>");
      out.println("</body>");
      out.println("</html>");
    } catch (EmailException ex) {
      ex.printStackTrace();
    } finally {
      out.close();
    }
  }

  @Override
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    processRequest(request, response);
  }

  @Override
  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    processRequest(request, response);
  }

  @Override
  public String getServletInfo() {
    return "Short description";
  }
}