contact-form-servlet

String name = req.getParameter("name");
String email = req.getParameter("email");
String message = req.getParameter("message");

// Create Mail message
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("[email protected]",
        "Acme Support Team"));
msg.setReplyTo(InternetAddress.parse("[email protected]"));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(
        email,
        name));
msg.setSubject("Thanks for contacting us");

// Set mail text and send it
msg.setText("We will update as soon as possible.\n Thanks\n -Acme Team");
Transport.send(msg);

contact-form-servlet.py

import webapp2
from google.appengine.api import mail

class ContactHandler(webapp2.RequestHandler):
    def post(self):
        name = self.request.get("name")
        to_addr = self.request.get("email")
        content = self.request.get("content")
        if not mail.is_email_valid(to_addr):
            # Return an error message...
            pass

        # Send Thanks mail to customer
        message = mail.EmailMessage(sender="Acme Support <[email protected]>",
                                    subject="Thanks for contacting us")
        message.to = to_addr
        message.body = """
        Hi There:

        Thanks for contacting us. We will reply back as soon as we got this mail.

        Please let us know if you have any questions.

        The acme Team
        """

        message.send()


        # Send mail to me(admin) about customer message
        message = mail.EmailMessage(sender="Acme Support <[email protected]>",
                                    subject="Got a message from customer")
        message.to = '[email protected]'
        message.body = """
        Hi Admin:

        We got a message from %s - %s

        Content: %s

        The acme Team
        """ % (name, to_addr, content)

        message.send()