namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 0; i < 1200; i++)
            {
                System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
                message.To.Add("[email protected]");
                message.Subject = "This is the Subject line";
                message.From = new System.Net.Mail.MailAddress("[email protected]");
                message.Body = "This is the message body";
                System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("jefferson.pyxisit.com");
                smtp.Send(message);
            }
        }
    }