MailMessage email = new MailMessage();
            string Host = "mail.birolkoprulu.com";
            string smtpUserName = "site@birolkoprulu.com";
            string smtpPassword = "Bi7682Ko";
            email.From = new MailAddress("site@birolkoprulu.com");
            int smtpPort = 587;
            email.IsBodyHtml = true;
            email.Subject = "birolkoprulu.com'dan gelen 1 mesaj";
            string body = "<table><tr><td>Adı</td><td>TelNo</td><td>Email</td><td>Mesaj</td></tr><tr><td>" + adi + "</td><td>" + tel + "</td><td>" + mail + "</td><td>" + mesaj + "</td></tr>";
            email.Body = body;
            email.To.Add(new MailAddress("info@birolkoprulu.com"));
            email.BodyEncoding = System.Text.Encoding.UTF8;
            SmtpClient smtp = new SmtpClient(Host, smtpPort);
            smtp.Credentials = new System.Net.NetworkCredential(smtpUserName, smtpPassword);
            smtp.Send(email);