<system.net>
  <mailSettings>
    <smtp from="no-reply@mysite.com" >
      <network host="smtpout.secureserver.net" port="465" userName="no-reply@mysite.com" password="password123" enableSsl="true" />
    </smtp>
  </mailSettings>
</system.net>

MailMessage message = new MailMessage();
message.To.Add(new MailAddress(to));
message.Subject = "Message from " + inputModel.Name;
message.Body = body;
message.IsBodyHtml = true;

using (var smtp = new SmtpClient())
{
    smtp.Send(message);
}