Umbraco Contact Form

Name: 
<asp:TextBox ID="txtName" runat="server" />
Email: 
<asp:TextBox ID="txtEmail" runat="server" />

Message: 
<asp:TextBox ID="txtContent" runat="server" TextMode="MultiLine" />

<asp:Button ID="btnSubmit" runat="server" Text="Send Email" 
onclick="btnSubmit_Click" />

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.Net.Mail;
 

protected void btnSubmit_Click(object sender, EventArgs e)
{
MailMessage message = new MailMessage();
message.To.Add("youremail@yahoo.com");
message.Subject = txtName.Text + " sent you a message via contact form";
message.From = new MailAddress(txtEmail.Text);
message.Body = txtContent.Text;
SmtpClient client = new SmtpClient("smtp.gmail.com", 587);
client.Credentials = new NetworkCredential("youremail@yahoo.com", "yourpassword");
client.EnableSsl = true;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.Send(message);
client.EnableSsl = true;
}