using System;

using System.Net.Mail;

using System.Net;

public class Program

{

    public static void Main()

    {

         MailMessage mail = new MailMessage();

​

            mail.From = new MailAddress("devnao-responda@younder.com.br", "nao responda");

            mail.To.Add(new MailAddress("rbittar@procondutor.com.br","ricardo"));

            mail.Subject = "Assunto teste Dev";

​

            mail.Body = "Corpo Mensagem";

            mail.IsBodyHtml = true;

​

            SmtpClient smtp = new SmtpClient("grid133.mailgrid.com.br", 587 );

            smtp.Host = "grid133.mailgrid.com.br";

            smtp.UseDefaultCredentials = false;

            smtp.Credentials = new NetworkCredential("devnao-responda@younder.com.br", "7d3ddhdsmem");

            smtp.EnableSsl = true;

​

            try

            {

                smtp.Send(mail);

            }

            catch (Exception ex)

            {

                throw ex;

            }

    }

}